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@ericbrunner
Last active August 16, 2023 11:13
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build.log
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Build started...
1>------ Build started: Project: Msoft.App.Views, Configuration: Debug Any CPU ------
1>Msoft.App.Views -> C:\dev-msoft\git\Time4App.Maui\Framework\Msoft.App.Views\bin\Debug\net7.0-ios\Msoft.App.Views.dll
1>Msoft.App.Views -> C:\dev-msoft\git\Time4App.Maui\Framework\Msoft.App.Views\bin\Debug\net7.0-android\Msoft.App.Views.dll
2>------ Build started: Project: msoftAppBase, Configuration: Debug Any CPU ------
2>msoftAppBase -> C:\dev-msoft\git\Time4App.Maui\Framework\msoftAppBase\bin\Debug\net7.0-ios\msoftAppBase.dll
2>msoftAppBase -> C:\dev-msoft\git\Time4App.Maui\Framework\msoftAppBase\bin\Debug\net7.0-android\msoftAppBase.dll
3>------ Build started: Project: time4Res, Configuration: Debug Any CPU ------
3>time4Res -> C:\dev-msoft\git\Time4App.Maui\Framework\time4Res\bin\Debug\net7.0-ios\time4Res.dll
3>time4Res -> C:\dev-msoft\git\Time4App.Maui\Framework\time4Res\bin\Debug\net7.0-android\time4Res.dll
4>------ Build started: Project: Time4App, Configuration: Debug Any CPU ------
4>Executing SayHello Task to establish a connection to a Remote Server.
4> Properties:
4> SessionId=c23f70d955bffacd5a4feb98ebf12004d3190803f4a5bfdc73d67ebf73b8fccd,
4> Addresss=192.168.0.185,
4> SshPort=22,
4> TcpPort=53249,
4> User=erichbrunner,
4> AppName=Time4App,
4> VisualStudioProcessId=4732,
4> ContinueOnDisconnected=False
4>Executing SayHello Task to establish a connection to a Remote Server.
4> Properties:
4> SessionId=c23f70d955bffacd5a4feb98ebf12004d3190803f4a5bfdc73d67ebf73b8fccd,
4> Addresss=192.168.0.185,
4> SshPort=22,
4> TcpPort=53249,
4> User=erichbrunner,
4> AppName=Time4App,
4> VisualStudioProcessId=4732,
4> ContinueOnDisconnected=False
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\ArticleBookingSelectionViewModel.cs(150,13,150,14): warning CS1570: XML comment has badly formed XML -- 'End tag was not expected at this location.'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\Android\Services\AlertedBackgroundService.cs(361,24,361,30): warning CS1570: XML comment has badly formed XML -- 'End tag 'return' does not match the start tag 'returns'.'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\ArticleBookingEditViewModel.cs(171,1,171,1): warning CS1570: XML comment has badly formed XML -- 'Expected an end tag for element 'param'.'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\Android\SyncManagerA.cs(479,32,479,38): warning CS1570: XML comment has badly formed XML -- 'End tag 'return' does not match the start tag 'returns'.'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\Android\Tasky\TaskRunnerService.cs(159,32,159,33): warning CS1696: Single-line comment or end-of-line expected
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\Android\Tasky\TaskRunnerService.cs(161,32,161,33): warning CS1696: Single-line comment or end-of-line expected
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\PickerManager.cs(15,130,15,134): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\PickerManager.cs(15,242,15,246): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\PickerManager.cs(18,135,18,139): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\PickerManager.cs(18,247,18,251): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\PickerManager.cs(21,152,21,156): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\PickerManager.cs(21,264,21,268): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\CustomControls\CustomLabel.cs(87,92,87,96): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\View\IconListItem.cs(31,55,31,59): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\View\IconListItem.cs(31,76,31,80): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\View\IconListItem.cs(31,100,31,104): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\View\IconListItem.cs(31,124,31,128): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\NotificationManager\NotificationManager.cs(111,45,111,49): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\Android\Legacy\CustomRenderers\AttachmentPdfWebView_Droid.cs(10,48,10,63): warning CS0618: 'WebViewRenderer' is obsolete: 'This renderer is obsolete please try to use the corresponding handler/mapper'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\Android\Legacy\CustomRenderers\ColoredProgressBarRenderer.cs(10,47,10,66): warning CS0618: 'ProgressBarRenderer' is obsolete: 'This renderer is obsolete please try to use the corresponding handler/mapper'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\Android\Legacy\CustomRenderers\CustomEditorRenderer.cs(8,34,8,48): warning CS0618: 'EditorRenderer' is obsolete: 'This renderer is obsolete please try to use the corresponding handler/mapper'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\Android\Legacy\CustomRenderers\CustomImageRenderer.cs(13,40,13,53): warning CS0618: 'ImageRenderer' is obsolete: 'This renderer is obsolete please try to use the corresponding handler/mapper'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\SideMenu\AbholIdent\LieferantenAuswahl\Lieferant.cs(19,59,19,63): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\Android\Legacy\CustomRenderers\CustomLabelRenderer.cs(11,33,11,46): warning CS0618: 'LabelRenderer' is obsolete: 'This renderer is obsolete please try to use the corresponding handler/mapper'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\Android\Legacy\CustomRenderers\CustomWebViewRenderer.cs(12,42,12,57): warning CS0618: 'WebViewRenderer' is obsolete: 'This renderer is obsolete please try to use the corresponding handler/mapper'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\Android\Legacy\CustomRenderers\CustomWebViewRenderer.cs(53,44,53,62): warning CS0612: 'FormsWebViewClient' is obsolete
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\Android\Legacy\CustomRenderers\ImprovedTextCellRenderer.cs(11,45,11,61): warning CS0618: 'TextCellRenderer' is obsolete: 'Use Microsoft.Maui.Controls.Handlers.Compatibility.TextCellRenderer instead'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\Android\Legacy\CustomRenderers\MatPlatformEntryRenderer.cs(7,38,7,51): warning CS0618: 'EntryRenderer' is obsolete: 'This renderer is obsolete please try to use the corresponding handler/mapper'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\SideMenu\BuchungOverview\BuchungOverviewModelRD.cs(33,81,33,85): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\SideMenu\BuchungOverview\BuchungOverviewModelRD.cs(33,113,33,117): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\SideMenu\Settings\ChangePasswordViewModel.cs(166,166,166,170): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Module\DiagnosticData\DiagnosticDataPage.cs(25,101,25,105): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Module\PersonalOverview\GroupSelectionPage.cs(23,150,23,154): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\SideMenu\SideMenuMorePage.cs(177,33,177,38): warning CS0108: 'SideMenuMorePage.PageContentView.ListItemData.Title' hides inherited member 'BaseViewModel.Title'. Use the new keyword if hiding was intended.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\SideMenu\SideMenuMorePage.cs(184,97,184,101): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Module\PersonalOverview\PersonalSelectionPage.cs(20,160,20,164): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Module\Picker\Picker.cs(16,150,16,154): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Module\Picker\Picker.cs(16,225,16,229): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Module\Picker\PickerView.xaml.cs(23,147,23,151): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Module\Picker\PickerView.xaml.cs(23,222,23,226): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Module\Picker\PickerViewDataTemplateFactory.cs(72,95,72,99): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Module\Picker\PickerViewDataTemplateFactory.cs(72,119,72,123): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Module\Picker\PickerViewDataTemplateFactory.cs(72,151,72,155): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Module\Picker\PickerViewDataTemplateFactory.cs(75,109,75,113): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Module\Picker\PickerViewDataTemplateFactory.cs(75,133,75,137): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Module\Picker\PickerViewDataTemplateFactory.cs(75,165,75,169): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Module\Picker\PickerViewDataTemplateFactory.cs(78,125,78,129): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Module\Picker\PickerViewDataTemplateFactory.cs(78,157,78,161): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Module\Picker\PickerViewDataTemplateFactory.cs(78,189,78,193): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\Android\DependencyImplementation\BackgroundAlarmManager.cs(14,36,14,60): warning CS0618: 'WakefulBroadcastReceiver' is obsolete: 'This class is obsoleted in this android platform'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\Android\MainActivity.cs(30,29,30,45): warning CS8765: Nullability of type of parameter 'data' doesn't match overridden member (possibly because of nullability attributes).
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\Android\MainActivity.cs(40,29,40,37): warning CS8765: Nullability of type of parameter 'savedInstanceState' doesn't match overridden member (possibly because of nullability attributes).
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\Android\DependencyImplementation\BackgroundAlarmManager.cs(48,30,48,39): warning CS8765: Nullability of type of parameter 'context' doesn't match overridden member (possibly because of nullability attributes).
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\Android\DependencyImplementation\BackgroundAlarmManager.cs(48,30,48,39): warning CS8765: Nullability of type of parameter 'intent' doesn't match overridden member (possibly because of nullability attributes).
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\Android\DependencyImplementation\DataAccessHelperAndroid.cs(143,88,143,92): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\Android\DependencyImplementation\DataAccessHelperAndroid.cs(143,115,143,119): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\SideMenu\Team\TeamBuchungOverviewModel.cs(93,119,93,123): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\SideMenu\Team\TeamBuchungOverviewModel.cs(93,151,93,155): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\SideMenu\Team\TeamBuchungOverviewModel.cs(419,46,419,50): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\SideMenu\Team\TeamBuchungOverviewModel.cs(434,52,434,56): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\SideMenu\Team\TeamBuchungOverviewModel.cs(453,46,453,50): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\SideMenu\Team\TeamBuchungOverviewModel.cs(478,52,478,56): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\SideMenu\Team\TeamBuchungOverviewModel.cs(478,77,478,81): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\Android\DependencyImplementation\Print_Android.cs(48,30,48,38): warning CS8765: Nullability of type of parameter 'oldAttributes' doesn't match overridden member (possibly because of nullability attributes).
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\Android\DependencyImplementation\Print_Android.cs(48,30,48,38): warning CS8765: Nullability of type of parameter 'newAttributes' doesn't match overridden member (possibly because of nullability attributes).
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\Android\DependencyImplementation\Print_Android.cs(48,30,48,38): warning CS8765: Nullability of type of parameter 'cancellationSignal' doesn't match overridden member (possibly because of nullability attributes).
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\Android\DependencyImplementation\Print_Android.cs(48,30,48,38): warning CS8765: Nullability of type of parameter 'callback' doesn't match overridden member (possibly because of nullability attributes).
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\Android\DependencyImplementation\Print_Android.cs(48,30,48,38): warning CS8765: Nullability of type of parameter 'extras' doesn't match overridden member (possibly because of nullability attributes).
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\Android\DependencyImplementation\Print_Android.cs(95,30,95,37): warning CS8765: Nullability of type of parameter 'pages' doesn't match overridden member (possibly because of nullability attributes).
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\Android\DependencyImplementation\Print_Android.cs(95,30,95,37): warning CS8765: Nullability of type of parameter 'destination' doesn't match overridden member (possibly because of nullability attributes).
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\Android\DependencyImplementation\Print_Android.cs(95,30,95,37): warning CS8765: Nullability of type of parameter 'cancellationSignal' doesn't match overridden member (possibly because of nullability attributes).
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\Android\DependencyImplementation\Print_Android.cs(95,30,95,37): warning CS8765: Nullability of type of parameter 'callback' doesn't match overridden member (possibly because of nullability attributes).
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\Android\Services\AlertedBackgroundService.cs(72,44,72,58): warning CS8765: Nullability of type of parameter 'intent' doesn't match overridden member (possibly because of nullability attributes).
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\Android\Services\AlertedBackgroundService.cs(631,33,631,39): warning CS8765: Nullability of type of parameter 'intent' doesn't match overridden member (possibly because of nullability attributes).
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Bericht\BerichteAbrufViewModel.cs(66,89,66,93): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Bericht\BerichteAbrufViewModel.cs(66,121,66,125): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\Android\SyncManagerA.cs(89,41,89,57): warning CS0618: 'JobIntentService' is obsolete: 'This class is obsoleted in this android platform'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\Android\SyncManagerA.cs(82,34,82,43): warning CS8765: Nullability of type of parameter 'context' doesn't match overridden member (possibly because of nullability attributes).
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\Android\SyncManagerA.cs(82,34,82,43): warning CS8765: Nullability of type of parameter 'intent' doesn't match overridden member (possibly because of nullability attributes).
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Fotodoku\ShowImagePage.cs(41,86,41,90): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Materialanforderung\MaterialanforderungenErfassen\MaterialanforderungenErfassenPage.cs(17,131,17,135): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\ArticleBookingEditContentView.xaml.cs(50,148,50,152): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\ArticleBookingEditViewModel.cs(17,50,17,65): warning CS8612: Nullability of reference types in type of 'event PropertyChangedEventHandler ArticleBookingEditViewModel.PropertyChanged' doesn't match implicitly implemented member 'event PropertyChangedEventHandler? INotifyPropertyChanged.PropertyChanged'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\ArticleBookingEditViewModel.cs(201,120,201,124): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\ArticleBookingOverviewViewModel.cs(150,115,150,119): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\ArticleBookingOverviewViewModel.cs(151,60,151,64): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\ArticleBookingOverviewViewModel.cs(196,59,196,63): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\ArticleBookingOverviewViewModel.cs(196,112,196,116): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\VorgangDetailBottomSheet.xaml.cs(36,92,36,96): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Module\ZeitbuchungBemerkung\ZeitbuchungBemerkungContentView.xaml.cs(31,50,31,65): warning CS8612: Nullability of reference types in type of 'event PropertyChangedEventHandler ZeitbuchungBemerkungViewModel.PropertyChanged' doesn't match implicitly implemented member 'event PropertyChangedEventHandler? INotifyPropertyChanged.PropertyChanged'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\ArticleCatalogViewModel.cs(63,231,63,235): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Zeitbuchung\BuchungsListeViewModel.cs(49,207,49,211): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Zeitbuchung\BuchungsListeViewModel.cs(49,239,49,243): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Zeitbuchung\NacherfassungViewModel.cs(712,73,712,77): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\View\Terminuebersicht\TerminUebersichtViewModel.cs(46,66,46,70): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\View\Terminuebersicht\TerminUebersichtViewModel.cs(46,98,46,102): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Helper\JsonHelper.cs(8,90,8,94): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Helper\JsonHelper.cs(22,101,22,105): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\StundenzettelViewModelRD.cs(29,65,29,69): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\StundenzettelViewModelRD.cs(29,97,29,101): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\AnalyticsManager.cs(454,84,454,88): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\AnalyticsManager.cs(459,140,459,144): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\ZeitbuchungWrapper.cs(62,23,62,27): warning CS1066: The default value specified for parameter 'zeit' will have no effect because it applies to a member that is used in contexts that do not allow optional arguments
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\ZeitbuchungWrapper.cs(63,44,63,53): warning CS1066: The default value specified for parameter 'anpassung' will have no effect because it applies to a member that is used in contexts that do not allow optional arguments
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\ZeitbuchungWrapper.cs(68,23,68,27): warning CS1066: The default value specified for parameter 'zeit' will have no effect because it applies to a member that is used in contexts that do not allow optional arguments
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\ZeitbuchungWrapper.cs(69,44,69,53): warning CS1066: The default value specified for parameter 'anpassung' will have no effect because it applies to a member that is used in contexts that do not allow optional arguments
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\ZeitbuchungWrapper.cs(74,23,74,27): warning CS1066: The default value specified for parameter 'zeit' will have no effect because it applies to a member that is used in contexts that do not allow optional arguments
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\ZeitbuchungWrapper.cs(75,44,75,53): warning CS1066: The default value specified for parameter 'anpassung' will have no effect because it applies to a member that is used in contexts that do not allow optional arguments
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\ZeitbuchungWrapper.cs(80,23,80,27): warning CS1066: The default value specified for parameter 'zeit' will have no effect because it applies to a member that is used in contexts that do not allow optional arguments
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\ZeitbuchungWrapper.cs(81,44,81,53): warning CS1066: The default value specified for parameter 'anpassung' will have no effect because it applies to a member that is used in contexts that do not allow optional arguments
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\ZeitbuchungWrapper.cs(92,20,92,31): warning CS1066: The default value specified for parameter 'regienummer' will have no effect because it applies to a member that is used in contexts that do not allow optional arguments
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\ZeitbuchungWrapper.cs(92,34,92,38): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\ZeitbuchungWrapper.cs(93,20,93,29): warning CS1066: The default value specified for parameter 'bemerkung' will have no effect because it applies to a member that is used in contexts that do not allow optional arguments
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\ZeitbuchungWrapper.cs(93,32,93,36): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\ZeitbuchungWrapper.cs(113,20,113,31): warning CS1066: The default value specified for parameter 'regienummer' will have no effect because it applies to a member that is used in contexts that do not allow optional arguments
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\ZeitbuchungWrapper.cs(113,34,113,38): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\ZeitbuchungWrapper.cs(114,20,114,29): warning CS1066: The default value specified for parameter 'bemerkung' will have no effect because it applies to a member that is used in contexts that do not allow optional arguments
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\ZeitbuchungWrapper.cs(114,32,114,36): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\ZeitbuchungWrapper.cs(280,76,280,80): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\ZeitbuchungWrapper.cs(280,101,280,105): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\ZeitbuchungWrapper.cs(304,76,304,80): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\ZeitbuchungWrapper.cs(304,101,304,105): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\ZeitbuchungWrapper.cs(330,92,330,96): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\BookingManager\BookingManagerEchtzeit.cs(44,70,44,74): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\BookingManager\BookingManagerEchtzeit.cs(93,72,93,76): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\BookingManager\TeamBuchungStateManager.cs(18,89,18,107): warning CS1066: The default value specified for parameter 'taetigkeitenStatus' will have no effect because it applies to a member that is used in contexts that do not allow optional arguments
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\LogManager.cs(47,53,47,69): warning CS4026: The CallerMemberNameAttribute applied to parameter 'methodName' will have no effect because it applies to a member that is used in contexts that do not allow optional arguments
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\LogManager.cs(48,18,48,34): warning CS4024: The CallerLineNumberAttribute applied to parameter 'lineNumber' will have no effect because it applies to a member that is used in contexts that do not allow optional arguments
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\LogManager.cs(52,14,52,30): warning CS4026: The CallerMemberNameAttribute applied to parameter 'methodName' will have no effect because it applies to a member that is used in contexts that do not allow optional arguments
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\LogManager.cs(52,59,52,75): warning CS4024: The CallerLineNumberAttribute applied to parameter 'lineNumber' will have no effect because it applies to a member that is used in contexts that do not allow optional arguments
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\LogManager.cs(57,64,57,80): warning CS4026: The CallerMemberNameAttribute applied to parameter 'methodName' will have no effect because it applies to a member that is used in contexts that do not allow optional arguments
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\LogManager.cs(58,14,58,30): warning CS4024: The CallerLineNumberAttribute applied to parameter 'lineNumber' will have no effect because it applies to a member that is used in contexts that do not allow optional arguments
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\LogManager.cs(65,14,65,30): warning CS4026: The CallerMemberNameAttribute applied to parameter 'memberName' will have no effect because it applies to a member that is used in contexts that do not allow optional arguments
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\LogManager.cs(65,57,65,73): warning CS4024: The CallerLineNumberAttribute applied to parameter 'lineNumber' will have no effect because it applies to a member that is used in contexts that do not allow optional arguments
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\LogManager.cs(12,79,12,83): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\LogManager.cs(12,107,12,111): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\LogManager.cs(12,152,12,156): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\LogManager.cs(23,84,23,88): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\LogManager.cs(23,107,23,111): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\LogManager.cs(23,152,23,156): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\LogManager.cs(34,120,34,124): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\LogManager.cs(71,104,71,108): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\LogManager.cs(18,68,18,72): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\LogManager.cs(18,96,18,100): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\LogManager.cs(18,141,18,145): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\LogManager.cs(29,73,29,77): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\LogManager.cs(29,96,29,100): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\LogManager.cs(29,141,29,145): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\LogManager.cs(40,109,40,113): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\LogManager.cs(77,93,77,97): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\LogManager.cs(47,78,47,88): warning CS1066: The default value specified for parameter 'methodName' will have no effect because it applies to a member that is used in contexts that do not allow optional arguments
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\LogManager.cs(48,40,48,50): warning CS1066: The default value specified for parameter 'lineNumber' will have no effect because it applies to a member that is used in contexts that do not allow optional arguments
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\LogManager.cs(51,70,51,79): warning CS1066: The default value specified for parameter 'exception' will have no effect because it applies to a member that is used in contexts that do not allow optional arguments
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\LogManager.cs(51,82,51,86): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\LogManager.cs(51,95,51,102): warning CS1066: The default value specified for parameter 'message' will have no effect because it applies to a member that is used in contexts that do not allow optional arguments
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\LogManager.cs(51,105,51,109): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\LogManager.cs(52,39,52,49): warning CS1066: The default value specified for parameter 'methodName' will have no effect because it applies to a member that is used in contexts that do not allow optional arguments
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\LogManager.cs(52,52,52,56): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\LogManager.cs(52,81,52,91): warning CS1066: The default value specified for parameter 'lineNumber' will have no effect because it applies to a member that is used in contexts that do not allow optional arguments
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\LogManager.cs(57,89,57,99): warning CS1066: The default value specified for parameter 'methodName' will have no effect because it applies to a member that is used in contexts that do not allow optional arguments
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\LogManager.cs(57,102,57,106): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\LogManager.cs(58,36,58,46): warning CS1066: The default value specified for parameter 'lineNumber' will have no effect because it applies to a member that is used in contexts that do not allow optional arguments
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\LogManager.cs(64,68,64,75): warning CS1066: The default value specified for parameter 'message' will have no effect because it applies to a member that is used in contexts that do not allow optional arguments
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\LogManager.cs(64,95,64,104): warning CS1066: The default value specified for parameter 'exception' will have no effect because it applies to a member that is used in contexts that do not allow optional arguments
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\LogManager.cs(65,39,65,49): warning CS1066: The default value specified for parameter 'memberName' will have no effect because it applies to a member that is used in contexts that do not allow optional arguments
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\LogManager.cs(65,79,65,89): warning CS1066: The default value specified for parameter 'lineNumber' will have no effect because it applies to a member that is used in contexts that do not allow optional arguments
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\LogManager.cs(82,136,82,140): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\LogManager.cs(101,75,101,79): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\LogManager.cs(101,103,101,107): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\LogManager.cs(101,129,101,133): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\DataSyncResult.cs(11,120,11,124): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\ArticleBookingEditContentPage.xaml.cs(76,148,76,152): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\ArticleBookingEditContentPage.xaml.cs(84,165,84,169): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\ArticleBookingEditContentPage.xaml.cs(41,137,41,141): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\CardDeck.cs(68,73,68,77): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\CardDeck.cs(155,22,155,27): warning CS0108: 'FramedCard.Frame' hides inherited member 'VisualElement.Frame'. Use the new keyword if hiding was intended.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\GuiExtensions.cs(105,105,105,109): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\HandauftragserfassungRD.cs(16,62,16,66): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\FinalPage\FinalPageHeaderViewModel.cs(38,183,38,187): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\ArticlePickerViewModel.cs(50,80,50,84): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\FinalPage\FinalPageItemViewModel.cs(80,185,80,189): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\FinalPage\FinalPageItemViewModel.cs(221,172,221,176): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\KatalogdownloadRD.cs(12,81,12,85): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\KatalogdownloadViewModelRD.cs(33,88,33,92): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\KatalogdownloadViewRD.xaml.cs(19,83,19,87): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\FinalPage\FinalPageEmailItemViewModel.cs(27,66,27,70): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\KatalogViewModelRD.cs(364,50,364,65): warning CS8612: Nullability of reference types in type of 'event PropertyChangedEventHandler KatalogViewModelRD.PropertyChanged' doesn't match implicitly implemented member 'event PropertyChangedEventHandler? INotifyPropertyChanged.PropertyChanged'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\KatalogViewModelRD.cs(89,80,89,84): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\KatalogViewModelRD.cs(94,55,94,59): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\KatalogViewModelRD.cs(94,81,94,85): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\KatalogViewModelRD.cs(359,73,359,77): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\InternalTextDocumentationViewModel.cs(22,50,22,65): warning CS8612: Nullability of reference types in type of 'event PropertyChangedEventHandler InternalTextDocumentationViewModel.PropertyChanged' doesn't match implicitly implemented member 'event PropertyChangedEventHandler? INotifyPropertyChanged.PropertyChanged'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\PermissionRequestHelper.cs(82,93,82,97): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\PermissionRequestHelper.cs(82,122,82,126): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\PermissionRequestHelper.cs(82,150,82,154): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\FinalPage\FinalPageViewModel.cs(92,118,92,122): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\FinalPage\FinalPageViewModel.cs(92,183,92,187): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\FinalPage\FinalPageViewModel.cs(92,213,92,217): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\FinalPage\FinalPageViewModel.cs(92,245,92,249): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\SyncManager\SyncManager.cs(23,56,23,60): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Factories\Manager\DialogPageFactory.cs(17,67,17,71): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\WeatherData.cs(167,23,167,33): warning CS8618: Non-nullable property 'Visibility' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\WeatherData.cs(170,23,170,34): warning CS8618: Non-nullable property 'Description' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\WeatherData.cs(173,23,173,27): warning CS8618: Non-nullable property 'Icon' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\WeatherData.cs(152,23,152,30): warning CS8618: Non-nullable property 'Country' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\NotificationManager\NotificationManager.cs(43,17,43,58): warning CS8073: The result of the expression is always 'true' since a value of type 'DateTime' is never equal to 'null' of type 'DateTime?'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\WeatherData.cs(78,39,78,43): warning CS8600: Converting null literal or possible null value to non-nullable type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\WeatherData.cs(86,35,86,86): warning CS8600: Converting null literal or possible null value to non-nullable type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\WeatherData.cs(94,20,94,31): warning CS8603: Possible null reference return.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\WeatherData.cs(20,23,20,28): warning CS8618: Non-nullable property 'Title' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\WeatherData.cs(23,22,23,27): warning CS8618: Non-nullable property 'Coord' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\WeatherData.cs(26,26,26,33): warning CS8618: Non-nullable property 'Weather' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\WeatherData.cs(29,23,29,27): warning CS8618: Non-nullable property 'Base' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\WeatherData.cs(32,21,32,25): warning CS8618: Non-nullable property 'Main' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\WeatherData.cs(38,21,38,25): warning CS8618: Non-nullable property 'Wind' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\WeatherData.cs(41,23,41,29): warning CS8618: Non-nullable property 'Clouds' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\WeatherData.cs(47,20,47,23): warning CS8618: Non-nullable property 'Sys' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\WeatherData.cs(56,35,56,45): warning CS8618: Non-nullable field 'httpClient' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\WeatherData.cs(14,28,14,32): warning CS8618: Non-nullable property 'Data' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\NotificationManager\NotificationManager.cs(113,13,113,19): warning CS0612: 'Device' is obsolete
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\NotificationManager\NotificationManager.cs(113,13,138,15): warning CS0618: 'Device.BeginInvokeOnMainThread(Action)' is obsolete: 'Use BindableObject.Dispatcher.Dispatch() instead.'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\NotificationManager\NotificationManager.cs(113,53,113,55): warning CS1998: This async method lacks 'await' operators and will run synchronously. Consider using the 'await' operator to await non-blocking API calls, or 'await Task.Run(...)' to do CPU-bound work on a background thread.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\ServiceAufgabenDetails.cs(50,68,50,72): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\ServiceAufgabenDetails.cs(42,31,42,46): warning CS8618: Non-nullable property 'SelectedAufgabe' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\ServiceAufgabenDetails.cs(43,30,43,44): warning CS8618: Non-nullable property 'SelectedAnlage' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\ServiceAufgabenDetails.cs(58,46,58,53): warning CS8618: Non-nullable field 'Current' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\ServiceAufgabenDetails.cs(60,36,60,56): warning CS8618: Non-nullable field 'handleKeyboardAction' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\ServiceAufgabenDetails.cs(61,48,61,64): warning CS8618: Non-nullable field 'anlagenViewModel' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\View\IconListItem.cs(31,16,31,28): warning CS8618: Non-nullable field 'titleText' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\View\IconListItem.cs(31,16,31,28): warning CS8618: Non-nullable field 'subtitleText' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\View\IconListItem.cs(31,16,31,28): warning CS8618: Non-nullable field 'iconSource' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\View\IconListItem.cs(31,16,31,28): warning CS8618: Non-nullable field 'onTapped' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\PhoneCard.cs(26,136,26,163): warning CS0618: 'LayoutOptions.FillAndExpand' is obsolete: 'The StackLayout expansion options are deprecated; please use a Grid instead.'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\View\IconListItem.cs(46,21,46,52): warning CS8604: Possible null reference argument for parameter 'subTitle' in 'IconListItem.IconListItem(ImageSource imageSource = null, string title = null, string subTitle = null, Command command = null)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\View\IconListItem.cs(65,21,65,60): warning CS8604: Possible null reference argument for parameter 'subTitle' in 'IconListItem.IconListItem(ImageSource imageSource = null, string title = null, string subTitle = null, Command command = null)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\View\IconListItem.cs(75,21,75,53): warning CS8604: Possible null reference argument for parameter 'subTitle' in 'IconListItem.IconListItem(ImageSource imageSource = null, string title = null, string subTitle = null, Command command = null)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\View\IconListItem.cs(86,21,86,50): warning CS8604: Possible null reference argument for parameter 'subTitle' in 'IconListItem.IconListItem(ImageSource imageSource = null, string title = null, string subTitle = null, Command command = null)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\View\IconListItem.cs(97,21,97,50): warning CS8604: Possible null reference argument for parameter 'subTitle' in 'IconListItem.IconListItem(ImageSource imageSource = null, string title = null, string subTitle = null, Command command = null)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\HyperLinkConverter.cs(34,52,34,55): warning CS8604: Possible null reference argument for parameter 'text' in 'FormattedString HyperLinkConverter.SetLabelSpansWithHyperlinks(string text)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\PhoneCard.cs(80,45,80,72): warning CS0618: 'LayoutOptions.FillAndExpand' is obsolete: 'The StackLayout expansion options are deprecated; please use a Grid instead.'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\PhoneCard.cs(81,43,81,70): warning CS0618: 'LayoutOptions.FillAndExpand' is obsolete: 'The StackLayout expansion options are deprecated; please use a Grid instead.'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\PhoneCard.cs(89,51,89,78): warning CS0618: 'LayoutOptions.FillAndExpand' is obsolete: 'The StackLayout expansion options are deprecated; please use a Grid instead.'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\PhoneCard.cs(123,118,123,145): warning CS0618: 'LayoutOptions.FillAndExpand' is obsolete: 'The StackLayout expansion options are deprecated; please use a Grid instead.'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\PhoneCard.cs(59,20,59,29): warning CS8618: Non-nullable field 'phone' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Generator\QR\QRCode.cs(1189,16,1189,22): warning CS8618: Non-nullable field 'matrix' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\SyncRequestWrapper.cs(38,21,38,27): warning CS0162: Unreachable code detected
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\SyncRequestWrapper.cs(40,21,40,27): warning CS0162: Unreachable code detected
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\SyncRequestWrapper.cs(42,21,42,24): warning CS0162: Unreachable code detected
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\View\TabbedView\TabbedView.xaml.cs(16,12,16,22): warning CS8618: Non-nullable property 'SelectedTabItem' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\PermissionRequestHelper.cs(62,23,62,29): warning CS0612: 'Device' is obsolete
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\PermissionRequestHelper.cs(64,21,64,78): warning CS4014: Because this call is not awaited, execution of the current method continues before the call is completed. Consider applying the 'await' operator to the result of the call.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\PermissionRequestHelper.cs(62,23,69,19): warning CS0618: 'Device.InvokeOnMainThreadAsync(Func<Task>)' is obsolete: 'Use BindableObject.Dispatcher.DispatchAsync() instead.'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\PermissionRequestHelper.cs(73,23,73,29): warning CS0612: 'Device' is obsolete
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\PermissionRequestHelper.cs(73,23,77,19): warning CS0618: 'Device.InvokeOnMainThreadAsync(Func<Task>)' is obsolete: 'Use BindableObject.Dispatcher.DispatchAsync() instead.'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\View\TabbedView\TabbedView.xaml.cs(86,43,86,71): warning CS8604: Possible null reference argument for parameter 'title' in 'void ITitleBar.SetTitle(string title)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\View\TabbedView\TabbedView.xaml.cs(87,46,87,77): warning CS8604: Possible null reference argument for parameter 'subtitle' in 'void ITitleBar.SetSubtitle(string subtitle)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\View\TabbedView\TabbedView.xaml.cs(93,47,93,82): warning CS8604: Possible null reference argument for parameter 'items' in 'void ITitleBar.SetTitleBarItems(List<ITitleBarItemB> items)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\View\TabbedView\TabbedView.xaml.cs(94,50,94,89): warning CS8604: Possible null reference argument for parameter 'item' in 'void ITitleBar.SetTitleBarItemLeft(ITitleBarItemB item)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\View\TabbedView\TabbedView.xaml.cs(98,39,98,43): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\View\TabbedView\TabbedView.xaml.cs(99,42,99,46): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\View\TabbedView\TabbedView.xaml.cs(100,47,100,51): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\View\TabbedView\TabbedView.xaml.cs(101,50,101,54): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\PermissionRequestHelper.cs(93,23,93,29): warning CS0612: 'Device' is obsolete
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\PermissionRequestHelper.cs(95,21,95,75): warning CS4014: Because this call is not awaited, execution of the current method continues before the call is completed. Consider applying the 'await' operator to the result of the call.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\PermissionRequestHelper.cs(93,23,100,19): warning CS0618: 'Device.InvokeOnMainThreadAsync(Func<Task>)' is obsolete: 'Use BindableObject.Dispatcher.DispatchAsync() instead.'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\PermissionRequestHelper.cs(104,23,104,29): warning CS0612: 'Device' is obsolete
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\PermissionRequestHelper.cs(108,25,108,103): warning CS4014: Because this call is not awaited, execution of the current method continues before the call is completed. Consider applying the 'await' operator to the result of the call.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\PermissionRequestHelper.cs(104,23,112,19): warning CS0618: 'Device.InvokeOnMainThreadAsync(Func<Task>)' is obsolete: 'Use BindableObject.Dispatcher.DispatchAsync() instead.'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\NullToBoolConverter.cs(28,34,28,49): warning CS8600: Converting null literal or possible null value to non-nullable type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Generator\QR\QRCode.cs(304,31,304,35): warning CS8604: Possible null reference argument for parameter 'qr' in 'void QRCodeGenerator.ApplyMask(int[,] qr, int[,] blocked, int mask)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\AdressenListeViewModelRD.cs(45,57,45,61): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\AdressenListeViewModelRD.cs(34,16,34,40): warning CS8618: Non-nullable field 'adressenItems' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\AdressenListeViewModelRD.cs(34,16,34,40): warning CS8618: Non-nullable field 'searchedText' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\AdressenListeViewModelRD.cs(34,16,34,40): warning CS8618: Non-nullable field 'adressenItemTapped' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\AdressenListeViewModelRD.cs(34,16,34,40): warning CS8618: Non-nullable field 'notificationText' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\AdressenListeViewModelRD.cs(91,36,91,51): warning CS8622: Nullability of reference types in type of parameter 'sender' of 'void AdressenListeViewModelRD.Request_Auszeit(object sender, EventArgs e)' doesn't match the target delegate 'EventHandler' (possibly because of nullability attributes).
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\AdressenListeViewModelRD.cs(93,36,93,51): warning CS8622: Nullability of reference types in type of parameter 'sender' of 'void AdressenListeViewModelRD.Request_Auszeit(object sender, EventArgs e)' doesn't match the target delegate 'EventHandler' (possibly because of nullability attributes).
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\AdressenListeViewModelRD.cs(144,17,144,23): warning CS0612: 'Device' is obsolete
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\AdressenListeViewModelRD.cs(144,17,149,19): warning CS0618: 'Device.BeginInvokeOnMainThread(Action)' is obsolete: 'Use BindableObject.Dispatcher.Dispatch() instead.'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\AdressenListeViewModelRD.cs(117,42,117,50): warning CS8602: Dereference of a possibly null reference.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\AdressenListeViewModelRD.cs(155,13,155,19): warning CS0612: 'Device' is obsolete
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\AdressenListeViewModelRD.cs(159,21,159,27): warning CS0612: 'Device' is obsolete
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\AdressenListeViewModelRD.cs(159,21,159,43): warning CS0618: 'Device.RuntimePlatform' is obsolete: 'Use Microsoft.Maui.Devices.DeviceInfo.Platform instead.'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\AdressenListeViewModelRD.cs(159,47,159,53): warning CS0612: 'Device' is obsolete
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\AdressenListeViewModelRD.cs(159,47,159,57): warning CS0618: 'Device.iOS' is obsolete: 'Use Microsoft.Maui.Devices.DevicePlatform.iOS instead.'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\AdressenListeViewModelRD.cs(155,13,170,15): warning CS0618: 'Device.BeginInvokeOnMainThread(Action)' is obsolete: 'Use BindableObject.Dispatcher.Dispatch() instead.'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\LoginViewModel.cs(274,20,274,31): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\LoginViewModel.cs(280,34,280,38): warning CS8600: Converting null literal or possible null value to non-nullable type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\LoginViewModel.cs(327,33,327,37): warning CS8600: Converting null literal or possible null value to non-nullable type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\LoginViewModel.cs(337,25,337,29): warning CS8600: Converting null literal or possible null value to non-nullable type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\LoginViewModel.cs(273,16,273,30): warning CS8618: Non-nullable property 'Login' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\LoginViewModel.cs(273,16,273,30): warning CS8618: Non-nullable property 'DemoZugang' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\LoginViewModel.cs(273,16,273,30): warning CS8618: Non-nullable property 'DbViewClicked' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\LoginViewModel.cs(273,16,273,30): warning CS8618: Non-nullable field 'colorSliderValue' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\LoginViewModel.cs(273,16,273,30): warning CS8618: Non-nullable field 'benutzer' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\LoginViewModel.cs(273,16,273,30): warning CS8618: Non-nullable field 'passwort' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\LoginViewModel.cs(273,16,273,30): warning CS8618: Non-nullable field 'url' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\LoginViewModel.cs(273,16,273,30): warning CS8618: Non-nullable field 'konto' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\LoginViewModel.cs(273,16,273,30): warning CS8618: Non-nullable field 'demoVorName' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\LoginViewModel.cs(273,16,273,30): warning CS8618: Non-nullable field 'demoName' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\LoginViewModel.cs(273,16,273,30): warning CS8618: Non-nullable field 'firma' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\LoginViewModel.cs(273,16,273,30): warning CS8618: Non-nullable field 'percentage' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\LoginViewModel.cs(273,16,273,30): warning CS8618: Non-nullable field 'verbindungsStatus' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\LoginViewModel.cs(273,16,273,30): warning CS8618: Non-nullable event 'OnAutoLoginError' must contain a non-null value when exiting constructor. Consider declaring the event as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\AdressenListeRD.cs(44,87,44,95): warning CS8600: Converting null literal or possible null value to non-nullable type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\AdressenListeRD.cs(44,87,44,95): warning CS8602: Dereference of a possibly null reference.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\KatalogViewModelRD.cs(35,68,35,77): warning CS8603: Possible null reference return.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\AdressenListeItemViewModelRD.cs(25,16,25,44): warning CS8618: Non-nullable field 'kurzname' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\AdressenListeItemViewModelRD.cs(25,16,25,44): warning CS8618: Non-nullable field 'kundennummer' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\AdressenListeItemViewModelRD.cs(25,16,25,44): warning CS8618: Non-nullable field 'adresseVollstaendig' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\AdressenListeItemViewModelRD.cs(25,16,25,44): warning CS8618: Non-nullable field 'baseAdresse' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\KatalogViewModelRD.cs(58,102,58,130): warning CS8629: Nullable value type may be null.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\AdressenListeItemViewModelRD.cs(51,16,51,44): warning CS8618: Non-nullable field 'kurzname' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\AdressenListeItemViewModelRD.cs(51,16,51,44): warning CS8618: Non-nullable field 'kundennummer' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\AdressenListeItemViewModelRD.cs(51,16,51,44): warning CS8618: Non-nullable field 'adresseVollstaendig' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\AdressenListeItemViewModelRD.cs(51,16,51,44): warning CS8618: Non-nullable field 'baseAdresse' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\KatalogViewModelRD.cs(89,16,89,34): warning CS8618: Non-nullable field 'dbInfo' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\KatalogViewModelRD.cs(89,16,89,34): warning CS8618: Non-nullable field 'kInfo' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\KatalogViewModelRD.cs(89,16,89,34): warning CS8618: Non-nullable field 'displayImage' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\KatalogViewModelRD.cs(89,16,89,34): warning CS8618: Non-nullable field 'katalogButtonCommand' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\KatalogViewModelRD.cs(89,16,89,34): warning CS8618: Non-nullable event 'PropertyChanged' must contain a non-null value when exiting constructor. Consider declaring the event as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\InternalTextDocumentationViewModel.cs(50,18,50,52): warning CS8618: Non-nullable property 'OpenTextPickerCommand' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\InternalTextDocumentationViewModel.cs(50,18,50,52): warning CS8618: Non-nullable event 'PropertyChanged' must contain a non-null value when exiting constructor. Consider declaring the event as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\InternalTextDocumentationViewModel.cs(50,18,50,52): warning CS8618: Non-nullable field 'jobInfo' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\InternalTextDocumentationViewModel.cs(50,18,50,52): warning CS8618: Non-nullable field 'selectedAufgabe' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\KatalogViewModelRD.cs(149,25,149,36): warning CS8602: Dereference of a possibly null reference.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\KatalogViewModelRD.cs(218,102,218,106): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\KatalogViewModelRD.cs(265,74,265,78): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\KatalogViewModelRD.cs(265,80,265,84): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\KatalogViewModelRD.cs(265,86,265,90): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\KatalogViewModelRD.cs(270,49,270,53): warning CS8600: Converting null literal or possible null value to non-nullable type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\InternalTextDocumentationViewModel.cs(64,96,64,129): warning CS8604: Possible null reference argument for parameter 'bookingId' in 'Task<VorgangsBemerkung> AufgabeBemerkungDataManager.GetOrCreateAufgabeBemerkungByBookingId(string bookingId)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\KatalogViewModelRD.cs(291,13,291,19): warning CS0612: 'Device' is obsolete
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\KatalogViewModelRD.cs(291,13,309,15): warning CS0618: 'Device.BeginInvokeOnMainThread(Action)' is obsolete: 'Use BindableObject.Dispatcher.Dispatch() instead.'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\InternalTextDocumentationViewModel.cs(89,89,89,107): warning CS8604: Possible null reference argument for parameter 'aufgabeId' in 'List<Aufgabe> AufgabeRepo.getAllTextDocumentationItems(string aufgabeId)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\InternalTextDocumentationViewModel.cs(119,90,119,124): warning CS8604: Possible null reference argument for parameter 'aufgabeId' in 'void IAnalyticsManager.TrackOrderReportTextNoteInternAdded(string aufgabeId)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\InternalTextDocumentationContentView.xaml.cs(11,17,11,53): warning CS8618: Non-nullable field 'viewModel' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Generator\QR\QRCode.cs(870,20,870,31): warning CS8602: Dereference of a possibly null reference.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Generator\QR\QRCode.cs(879,20,879,31): warning CS8604: Possible null reference argument for parameter 'source' in 'KeyValuePair<int, int> Enumerable.First<KeyValuePair<int, int>>(IEnumerable<KeyValuePair<int, int>> source, Func<KeyValuePair<int, int>, bool> predicate)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\FinalPage\SignatureViewModel.cs(31,76,31,91): warning CS8604: Possible null reference argument for parameter 'source' in 'int Enumerable.Count<PointF>(IEnumerable<PointF> source)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\FinalPage\SignatureViewModel.cs(46,54,46,59): warning CS8604: Possible null reference argument for parameter 'source' in 'List<PointF> Enumerable.ToList<PointF>(IEnumerable<PointF> source)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\FinalPage\SignatureViewModel.cs(59,60,59,98): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\FinalPage\SignatureViewModel.cs(104,18,104,36): warning CS8618: Non-nullable field 'sigInfoList' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\FinalPage\SignatureViewModel.cs(104,18,104,36): warning CS8618: Non-nullable field 'signatory' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\FinalPage\SignatureViewModel.cs(142,13,142,19): warning CS0612: 'Device' is obsolete
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\FinalPage\SignatureViewModel.cs(142,13,145,15): warning CS0618: 'Device.BeginInvokeOnMainThread(Action)' is obsolete: 'Use BindableObject.Dispatcher.Dispatch() instead.'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\FinalPage\SignatureViewModel.cs(179,19,179,25): warning CS0612: 'Device' is obsolete
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\FinalPage\SignatureViewModel.cs(179,19,179,109): warning CS0618: 'Device.InvokeOnMainThreadAsync(Func<Task>)' is obsolete: 'Use BindableObject.Dispatcher.DispatchAsync() instead.'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\FinalPage\SignatureViewModel.cs(188,19,188,25): warning CS0612: 'Device' is obsolete
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\FinalPage\SignatureViewModel.cs(188,19,188,109): warning CS0618: 'Device.InvokeOnMainThreadAsync(Func<Task>)' is obsolete: 'Use BindableObject.Dispatcher.DispatchAsync() instead.'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\FinalPage\SignatureContentView.xaml.cs(14,48,14,97): warning CS8603: Possible null reference return.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\FinalPage\SignatureContentView.xaml.cs(36,58,36,62): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Generator\QR\QRCode.cs(862,44,862,55): warning CS8618: Non-nullable field 'logG256Dict' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\KatalogViewModelRD.cs(314,13,314,19): warning CS0612: 'Device' is obsolete
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\KatalogViewModelRD.cs(314,13,344,15): warning CS0618: 'Device.BeginInvokeOnMainThread(Action)' is obsolete: 'Use BindableObject.Dispatcher.Dispatch() instead.'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\KatalogViewModelRD.cs(341,52,341,57): warning CS8602: Dereference of a possibly null reference.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\KatalogViewModelRD.cs(352,13,352,19): warning CS0612: 'Device' is obsolete
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\KatalogViewModelRD.cs(352,13,356,15): warning CS0618: 'Device.BeginInvokeOnMainThread(Action)' is obsolete: 'Use BindableObject.Dispatcher.Dispatch() instead.'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\FinalPage\SignatureContentPage.xaml.cs(32,21,32,27): warning CS0612: 'Device' is obsolete
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\FinalPage\SignatureContentPage.xaml.cs(32,21,32,33): warning CS0618: 'Device.Idiom' is obsolete: 'Use Microsoft.Maui.Devices.DeviceInfo.Idiom instead.'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\FinalPage\SignatureContentPage.xaml.cs(32,37,32,48): warning CS0618: 'TargetIdiom' is obsolete: 'Use Microsoft.Maui.Devices.DeviceIdiom instead.'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\FinalPage\SignatureContentPage.xaml.cs(41,21,41,27): warning CS0612: 'Device' is obsolete
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\FinalPage\SignatureContentPage.xaml.cs(41,21,41,33): warning CS0618: 'Device.Idiom' is obsolete: 'Use Microsoft.Maui.Devices.DeviceInfo.Idiom instead.'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\FinalPage\SignatureContentPage.xaml.cs(41,37,41,48): warning CS0618: 'TargetIdiom' is obsolete: 'Use Microsoft.Maui.Devices.DeviceIdiom instead.'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\FinalPage\FinalPageViewModel.cs(1533,35,1533,77): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\FinalPage\FinalPageViewModel.cs(1540,39,1540,43): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\FinalPage\FinalPageViewModel.cs(1521,16,1521,34): warning CS8618: Non-nullable field 'anl' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\FinalPage\FinalPageViewModel.cs(1521,16,1521,34): warning CS8618: Non-nullable field 'datDisplay' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\FinalPage\FinalPageViewModel.cs(92,18,92,36): warning CS8618: Non-nullable field 'statusItemViewModel' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\FinalPage\FinalPageViewModel.cs(92,18,92,36): warning CS8618: Non-nullable field 'emailItemViewModel' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\FinalPage\FinalPageViewModel.cs(92,18,92,36): warning CS8618: Non-nullable field 'resultTimeBookings' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\FinalPage\FinalPageViewModel.cs(92,18,92,36): warning CS8618: Non-nullable field 'originalTimeBookings' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\FinalPage\FinalPageViewModel.cs(92,18,92,36): warning CS8618: Non-nullable field 'unpresentedTimeBookingResults' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\FinalPage\FinalPageViewModel.cs(92,18,92,36): warning CS8618: Non-nullable field 'bookedArticles' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\FinalPage\FinalPageViewModel.cs(92,18,92,36): warning CS8618: Non-nullable field 'jobInfo' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\FinalPage\FinalPageViewModel.cs(92,18,92,36): warning CS8618: Non-nullable field 'address' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\FinalPage\FinalPageViewModel.cs(92,18,92,36): warning CS8618: Non-nullable field 'reportChecklist' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\FinalPage\FinalPageViewModel.cs(92,18,92,36): warning CS8618: Non-nullable field 'headerItems' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\FinalPage\FinalPageViewModel.cs(92,18,92,36): warning CS8618: Non-nullable field 'reportChecklistHeaderViewModel' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\KatalogdownloadViewModelRD.cs(33,16,33,42): warning CS8618: Non-nullable field 'kInfo' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\KatalogdownloadViewModelRD.cs(33,16,33,42): warning CS8618: Non-nullable field 'kataloge' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\FinalPage\FinalPageViewModel.cs(107,19,107,39): warning CS8602: Dereference of a possibly null reference.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\FinalPage\FinalPageViewModel.cs(120,19,120,41): warning CS8602: Dereference of a possibly null reference.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\FinalPage\FinalPageViewModel.cs(128,38,128,119): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\FinalPage\FinalPageViewModel.cs(129,40,129,123): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\FinalPage\FinalPageViewModel.cs(130,45,130,138): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\FinalPage\FinalPageViewModel.cs(160,17,160,40): warning CS8602: Dereference of a possibly null reference.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\Android\HTTPService\MyWebClient.cs(6,5,15,6): warning SYSLIB0014: 'WebClient.WebClient()' is obsolete: 'WebRequest, HttpWebRequest, ServicePoint, and WebClient are obsolete. Use HttpClient instead.' (https://aka.ms/dotnet-warnings/SYSLIB0014)
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\KatalogdownloadViewModelRD.cs(53,23,53,29): warning CS0612: 'Device' is obsolete
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\KatalogdownloadViewModelRD.cs(53,23,53,134): warning CS0618: 'Device.InvokeOnMainThreadAsync(Action)' is obsolete: 'Use BindableObject.Dispatcher.DispatchAsync() instead.'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\KatalogdownloadViewModelRD.cs(59,71,59,104): warning CS8622: Nullability of reference types in type of parameter 'sender' of 'void KatalogdownloadViewModelRD.MeinKatalogService_AbortCompleted(object sender, AsyncCompletedEventArgs e)' doesn't match the target delegate 'EventHandler<AsyncCompletedEventArgs>' (possibly because of nullability attributes).
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\KatalogdownloadViewModelRD.cs(60,86,60,134): warning CS8622: Nullability of reference types in type of parameter 'sender' of 'void KatalogdownloadViewModelRD.MeinKatalogService_GetKatalogUebersichtCompleted(object sender, GetKatalogUebersichtCompletedEventArgs e)' doesn't match the target delegate 'EventHandler<GetKatalogUebersichtCompletedEventArgs>' (possibly because of nullability attributes).
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\KatalogdownloadViewModelRD.cs(62,81,62,125): warning CS8622: Nullability of reference types in type of parameter 'sender' of 'void KatalogdownloadViewModelRD.MeinKatalogServiceOnGetKatalogPaketCompleted(object sender, GetKatalogPaketCompletedEventArgs e)' doesn't match the target delegate 'EventHandler<GetKatalogPaketCompletedEventArgs>' (possibly because of nullability attributes).
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\KatalogdownloadViewModelRD.cs(64,71,64,104): warning CS8622: Nullability of reference types in type of parameter 'sender' of 'void KatalogdownloadViewModelRD.MeinKatalogService_AbortCompleted(object sender, AsyncCompletedEventArgs e)' doesn't match the target delegate 'EventHandler<AsyncCompletedEventArgs>' (possibly because of nullability attributes).
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\KatalogdownloadViewModelRD.cs(65,86,65,134): warning CS8622: Nullability of reference types in type of parameter 'sender' of 'void KatalogdownloadViewModelRD.MeinKatalogService_GetKatalogUebersichtCompleted(object sender, GetKatalogUebersichtCompletedEventArgs e)' doesn't match the target delegate 'EventHandler<GetKatalogUebersichtCompletedEventArgs>' (possibly because of nullability attributes).
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\KatalogdownloadViewModelRD.cs(66,81,66,125): warning CS8622: Nullability of reference types in type of parameter 'sender' of 'void KatalogdownloadViewModelRD.MeinKatalogServiceOnGetKatalogPaketCompleted(object sender, GetKatalogPaketCompletedEventArgs e)' doesn't match the target delegate 'EventHandler<GetKatalogPaketCompletedEventArgs>' (possibly because of nullability attributes).
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\Android\HTTPService\HTTPService.cs(190,16,190,36): warning CS8618: Non-nullable field 'MitarbeiterId' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\FinalPage\FinalPageViewModel.cs(214,24,214,28): warning CS8603: Possible null reference return.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\KatalogdownloadViewModelRD.cs(157,13,157,19): warning CS0612: 'Device' is obsolete
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\KatalogdownloadViewModelRD.cs(157,13,157,149): warning CS0618: 'Device.BeginInvokeOnMainThread(Action)' is obsolete: 'Use BindableObject.Dispatcher.Dispatch() instead.'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\FinalPage\FinalPageViewModel.cs(246,76,246,80): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\FinalPage\FinalPageViewModel.cs(246,82,246,86): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\Android\HTTPService\HTTPService.cs(84,13,84,120): warning CS4014: Because this call is not awaited, execution of the current method continues before the call is completed. Consider applying the 'await' operator to the result of the call.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\Android\HTTPService\HTTPService.cs(85,54,85,127): warning CS8600: Converting null literal or possible null value to non-nullable type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\Android\HTTPService\HTTPService.cs(86,20,86,23): warning CS8603: Possible null reference return.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\Android\HTTPService\HTTPService.cs(98,39,98,69): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\Android\HTTPService\HTTPService.cs(127,13,127,19): warning CS0612: 'Device' is obsolete
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\Android\HTTPService\HTTPService.cs(127,13,141,15): warning CS0618: 'Device.BeginInvokeOnMainThread(Action)' is obsolete: 'Use BindableObject.Dispatcher.Dispatch() instead.'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\Android\HTTPService\HTTPService.cs(134,21,134,45): warning CS8602: Dereference of a possibly null reference.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\KatalogdownloadViewModelRD.cs(223,17,223,23): warning CS0612: 'Device' is obsolete
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\KatalogdownloadViewModelRD.cs(223,17,223,153): warning CS0618: 'Device.BeginInvokeOnMainThread(Action)' is obsolete: 'Use BindableObject.Dispatcher.Dispatch() instead.'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\KatalogdownloadViewModelRD.cs(228,17,228,23): warning CS0612: 'Device' is obsolete
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\KatalogdownloadViewModelRD.cs(228,17,228,137): warning CS0618: 'Device.BeginInvokeOnMainThread(Action)' is obsolete: 'Use BindableObject.Dispatcher.Dispatch() instead.'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\KatalogdownloadViewModelRD.cs(203,62,203,73): warning CS8602: Dereference of a possibly null reference.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\FinalPage\FinalPageViewModel.cs(334,99,334,128): warning CS8604: Possible null reference argument for parameter 'aufgabenid' in 'VorgangsBemerkung VorgangsBemerkungsRepository.GetByAufgabenId(string aufgabenid)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\FinalPage\FinalPageViewModel.cs(345,140,345,144): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\FinalPage\FinalPageViewModel.cs(345,146,345,150): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\FinalPage\FinalPageViewModel.cs(354,148,354,152): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\FinalPage\FinalPageViewModel.cs(354,154,354,158): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\FinalPage\FinalPageViewModel.cs(374,52,374,56): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\Android\HTTPService\HTTPService.cs(170,24,170,86): warning CS8603: Possible null reference return.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\HandauftragserfassungViewRD.xaml.cs(23,17,23,23): warning CS0612: 'Device' is obsolete
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\HandauftragserfassungViewRD.xaml.cs(23,17,23,166): warning CS0618: 'Device.InvokeOnMainThreadAsync(Func<Task>)' is obsolete: 'Use BindableObject.Dispatcher.DispatchAsync() instead.'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\HandauftragserfassungViewRD.xaml.cs(23,17,23,166): warning CS4014: Because this call is not awaited, execution of the current method continues before the call is completed. Consider applying the 'await' operator to the result of the call.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\HandauftragserfassungViewRD.xaml.cs(22,100,22,102): warning CS1998: This async method lacks 'await' operators and will run synchronously. Consider using the 'await' operator to await non-blocking API calls, or 'await Task.Run(...)' to do CPU-bound work on a background thread.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\FinalPage\FinalPageViewModel.cs(468,63,468,87): warning CS0618: 'Color.FromHex(string)' is obsolete: 'Use FromArgb instead.'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\FinalPage\FinalPageViewModel.cs(505,62,505,86): warning CS0618: 'Color.FromHex(string)' is obsolete: 'Use FromArgb instead.'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\FinalPage\FinalPageViewModel.cs(505,89,505,113): warning CS0618: 'Color.FromHex(string)' is obsolete: 'Use FromArgb instead.'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\FinalPage\FinalPageViewModel.cs(446,99,446,128): warning CS8604: Possible null reference argument for parameter 'bookingId' in 'Task<IEnumerable<BuchungData>?> DbBuchungData.GetOpenEchtzeitBuchungenByAufgabe(string bookingId, DateTime? date)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\FinalPage\FinalPageViewModel.cs(446,45,446,135): warning CS8600: Converting null literal or possible null value to non-nullable type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\FinalPage\FinalPageViewModel.cs(447,49,447,74): warning CS8602: Dereference of a possibly null reference.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\FinalPage\FinalPageViewModel.cs(501,24,501,28): warning CS8603: Possible null reference return.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\FinalPage\FinalPageViewModel.cs(546,61,546,65): warning CS8600: Converting null literal or possible null value to non-nullable type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\FinalPage\FinalPageViewModel.cs(547,75,547,79): warning CS8600: Converting null literal or possible null value to non-nullable type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\FinalPage\FinalPageViewModel.cs(552,28,552,100): warning CS8619: Nullability of reference types in value of type 'Tuple<List<CalculationResult>?, List<CalculationResult>?>' doesn't match target type 'Tuple<List<CalculationResult>, List<CalculationResult>>'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\FinalPage\FinalPageViewModel.cs(556,62,556,91): warning CS8604: Possible null reference argument for parameter 'bookingId' in 'Task<IEnumerable<DateTime>> CalculationService.GetBookedDays(string bookingId)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\FinalPage\FinalPageViewModel.cs(580,24,580,96): warning CS8619: Nullability of reference types in value of type 'Tuple<List<CalculationResult>?, List<CalculationResult>?>' doesn't match target type 'Tuple<List<CalculationResult>, List<CalculationResult>>'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\FinalPage\FinalPageViewModel.cs(568,38,568,41): warning CS0168: The variable 'exc' is declared but never used
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\FinalPage\FinalPageViewModel.cs(576,30,576,33): warning CS0168: The variable 'exc' is declared but never used
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\FinalPage\FinalPageViewModel.cs(600,103,600,114): warning CS8629: Nullable value type may be null.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\FinalPage\FinalPageViewModel.cs(601,50,601,61): warning CS8629: Nullable value type may be null.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\FinalPage\FinalPageViewModel.cs(614,24,614,28): warning CS8603: Possible null reference return.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\FinalPage\FinalPageViewModel.cs(638,67,638,101): warning CS8604: Possible null reference argument for parameter 'aufgabeBuchungsId' in 'List<ArtikelBuchung> ArtikelbuchungRepository.GetArtikelbuchungenFromAufgabe(string aufgabeBuchungsId, bool? istUnterschrieben = null, Anlage filterAnlage = null)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\FinalPage\FinalPageViewModel.cs(648,39,648,43): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\FinalPage\FinalPageViewModel.cs(653,24,653,28): warning CS8603: Possible null reference return.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\FinalPage\FinalPageViewModel.cs(674,39,674,43): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\FinalPage\FinalPageViewModel.cs(679,24,679,28): warning CS8603: Possible null reference return.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\App.xaml.cs(67,40,67,55): warning CS8618: Non-nullable property 'ServiceProvider' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Res\ImgRes\ImgRes.cs(11,122,11,164): warning CS8603: Possible null reference return.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Res\ImgRes\ImgRes.cs(28,71,28,144): warning CS8603: Possible null reference return.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\FinalPage\FinalPageViewModel.cs(698,31,699,83): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\FinalPage\FinalPageViewModel.cs(711,178,711,182): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\FinalPage\FinalPageViewModel.cs(711,184,711,188): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\FinalPage\FinalPageViewModel.cs(718,28,718,32): warning CS8603: Possible null reference return.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\FinalPage\FinalPageViewModel.cs(724,71,724,89): warning CS8604: Possible null reference argument for parameter 'id' in 'Task<(IEnumerable<FinalPageItemViewModel>, bool)> FinalPageViewModel.GetChecklistViewModelList(string id, bool requiredStatusOK = true)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\FinalPage\FinalPageViewModel.cs(739,24,739,28): warning CS8603: Possible null reference return.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\FinalPage\FinalPageViewModel.cs(744,24,744,28): warning CS8603: Possible null reference return.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\FinalPage\FinalPageViewModel.cs(746,67,746,85): warning CS8604: Possible null reference argument for parameter 'id' in 'Task<(IEnumerable<FinalPageItemViewModel>, bool)> FinalPageViewModel.GetChecklistViewModelList(string id, bool requiredStatusOK = true)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Res\ImgRes\ImgRes.cs(101,20,101,24): warning CS8603: Possible null reference return.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Res\ImgRes\ImgRes.cs(74,23,74,36): warning CS8618: Non-nullable property 'ImageFilename' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Res\ImgRes\ImgRes.cs(75,23,75,32): warning CS8618: Non-nullable property 'ImagePath' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Res\ImgRes\ImgRes.cs(76,23,76,33): warning CS8618: Non-nullable property 'ColorAsHex' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ImageDownloadManager\HttpClientManager.cs(49,24,49,28): warning CS8603: Possible null reference return.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\FinalPage\FinalPageViewModel.cs(782,24,782,28): warning CS8603: Possible null reference return.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\FinalPage\FinalPageViewModel.cs(815,137,815,148): warning CS8604: Possible null reference argument for parameter 'firstItemInfo' in 'void FinalPageItemViewModel.Initialize(FinalPageItemType itemType, string itemTitle, string firstItemInfo, string secondItemInfo, string thirdItemInfo, Command itemTapCommand = null, bool isVisibleSeperator = true)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\FinalPage\FinalPageViewModel.cs(815,167,815,171): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\FinalPage\FinalPageViewModel.cs(857,13,857,19): warning CS0612: 'Device' is obsolete
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\FinalPage\FinalPageViewModel.cs(857,13,857,133): warning CS0618: 'Device.BeginInvokeOnMainThread(Action)' is obsolete: 'Use BindableObject.Dispatcher.Dispatch() instead.'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\FinalPage\FinalPageViewModel.cs(856,120,856,151): warning CS8604: Possible null reference argument for parameter 'pageSubTitle' in 'SignatureContentPage.SignatureContentPage(List<MonteurUnterschrift> sigInfoList, string pageTitle, string pageSubTitle, Func<List<MonteurUnterschrift>, Task> saveSignaturesFunc)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\FinalPage\FinalPageViewModel.cs(865,32,865,36): warning CS8600: Converting null literal or possible null value to non-nullable type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\FinalPage\FinalPageViewModel.cs(866,44,866,48): warning CS8600: Converting null literal or possible null value to non-nullable type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\FinalPage\FinalPageViewModel.cs(868,82,868,111): warning CS8604: Possible null reference argument for parameter 'serverid' in 'Aufgabe AufgabeListeRepository.GetByServerId(string serverid)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\FinalPage\FinalPageViewModel.cs(871,17,871,40): warning CS8602: Dereference of a possibly null reference.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\FinalPage\FinalPageViewModel.cs(998,75,998,86): warning CS8604: Possible null reference argument for parameter 'onTap' in 'Task SnackbarManager.Show(string text, int offsetBottom = 0, View anchorView = null, bool isAnchorAbove = true, Func<Task<bool>> onTap = null)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\CustomControls\CustomWebView.cs(26,22,26,26): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\FinalPage\FinalPageViewModel.cs(1020,24,1020,42): warning CS8619: Nullability of reference types in value of type '(bool, bool, Checkliste?)' doesn't match target type '(bool, bool, Checkliste)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\FinalPage\FinalPageViewModel.cs(1030,37,1030,41): warning CS8600: Converting null literal or possible null value to non-nullable type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\FinalPage\FinalPageViewModel.cs(1033,56,1033,68): warning CS8604: Possible null reference argument for parameter 'checklistId' in 'Task<bool> FinalPageViewModel.CheckRequiredStatus(string checklistId)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\FinalPage\FinalPageViewModel.cs(1047,56,1047,68): warning CS8604: Possible null reference argument for parameter 'checklistId' in 'Task<bool> FinalPageViewModel.CheckRequiredStatus(string checklistId)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\FinalPage\FinalPageViewModel.cs(1056,20,1056,115): warning CS8619: Nullability of reference types in value of type '(bool optionalChecklistsStatusOk, bool requiredChecklistsStatusOk, Checkliste?)' doesn't match target type '(bool, bool, Checkliste)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\CustomControls\CustomWebView.cs(5,24,5,30): warning CS8618: Non-nullable field 'action' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\CustomControls\CustomLabel.cs(83,50,83,54): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\CustomControls\CustomLabel.cs(9,35,9,53): warning CS8618: Non-nullable event 'FontSizeCalculated' must contain a non-null value when exiting constructor. Consider declaring the event as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\FinalPage\FinalPageViewModel.cs(1230,19,1230,25): warning CS0612: 'Device' is obsolete
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\FinalPage\FinalPageViewModel.cs(1230,19,1234,15): warning CS0618: 'Device.InvokeOnMainThreadAsync(Func<Task>)' is obsolete: 'Use BindableObject.Dispatcher.DispatchAsync() instead.'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\FinalPage\FinalPageViewModel.cs(1128,31,1128,60): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\FinalPage\FinalPageViewModel.cs(1134,32,1134,62): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\FinalPage\FinalPageViewModel.cs(1135,38,1135,64): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\FinalPage\FinalPageViewModel.cs(1136,35,1136,66): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\FinalPage\FinalPageViewModel.cs(1141,44,1141,78): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\FinalPage\FinalPageViewModel.cs(1142,56,1142,89): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\FinalPage\FinalPageViewModel.cs(1143,56,1143,89): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\FinalPage\FinalPageViewModel.cs(1144,60,1144,97): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\FinalPage\FinalPageViewModel.cs(1195,38,1195,56): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Services\CalculationService.cs(36,44,36,76): warning CS8620: Argument of type 'IEnumerable<string?>' cannot be used for parameter 'collection' of type 'IEnumerable<string>' in 'void List<string>.AddRange(IEnumerable<string> collection)' due to differences in the nullability of reference types.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\FinalPage\FinalPageViewModel.cs(1381,42,1381,124): warning CS8600: Converting null literal or possible null value to non-nullable type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\FinalPage\FinalPageViewModel.cs(1412,56,1412,78): warning CS8604: Possible null reference argument for parameter 'item' in 'void List<string>.Add(string item)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\FinalPage\FinalPageViewModel.cs(1440,34,1440,64): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\FinalPage\FinalPageViewModel.cs(1455,78,1455,135): warning CS8604: Possible null reference argument for parameter 'aufgabeId' in 'void AnalyticsManager.TrackOrderReportCompleted(string aufgabeId)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Services\CalculationService.cs(169,59,169,72): warning CS8629: Nullable value type may be null.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Services\CalculationService.cs(173,20,173,24): warning CS8603: Possible null reference return.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\FinalPage\FinalPageStatusItemViewModel.cs(18,23,18,29): warning CS0612: 'Device' is obsolete
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\FinalPage\FinalPageStatusItemViewModel.cs(18,23,19,43): warning CS0618: 'Device.InvokeOnMainThreadAsync(Func<Task>)' is obsolete: 'Use BindableObject.Dispatcher.DispatchAsync() instead.'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Services\CalculationService.cs(196,135,196,139): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Services\CalculationService.cs(329,20,329,110): warning CS8603: Possible null reference return.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Services\CalculationService.cs(356,21,356,57): warning CS8073: The result of the expression is always 'true' since a value of type 'DateTime' is never equal to 'null' of type 'DateTime?'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\FinalPage\FinalPageReadOnlyContentPage.xaml.cs(23,47,23,53): warning CS0612: 'Device' is obsolete
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\FinalPage\FinalPageReadOnlyContentPage.xaml.cs(23,47,23,122): warning CS0618: 'Device.InvokeOnMainThreadAsync(Func<Task>)' is obsolete: 'Use BindableObject.Dispatcher.DispatchAsync() instead.'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\FinalPage\FinalPageReadOnlyContentPage.xaml.cs(24,47,24,53): warning CS0612: 'Device' is obsolete
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\FinalPage\FinalPageReadOnlyContentPage.xaml.cs(24,47,24,121): warning CS0618: 'Device.InvokeOnMainThreadAsync(Func<Task>)' is obsolete: 'Use BindableObject.Dispatcher.DispatchAsync() instead.'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\FinalPage\FinalPageReadOnlyContentPage.xaml.cs(22,98,22,102): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\FinalPage\FinalPageReadOnlyContentPage.xaml.cs(22,126,22,130): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\FinalPage\FinalPageReadOnlyContentPage.xaml.cs(25,78,25,103): warning CS8604: Possible null reference argument for parameter 'subtitle' in 'TitleBar.TitleBar(string title, string subtitle = null, bool centerTitle = false, bool hasIndicator = false, bool enableIcon = true)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\FinalPage\FinalPageItemViewModel.cs(37,38,37,62): warning CS0618: 'Color.FromHex(string)' is obsolete: 'Use FromArgb instead.'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\FinalPage\FinalPageItemViewModel.cs(56,18,56,40): warning CS8618: Non-nullable property 'ItemTapCommand' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\FinalPage\FinalPageItemViewModel.cs(56,18,56,40): warning CS8618: Non-nullable field 'statusItemPickerList' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\FinalPage\FinalPageItemViewModel.cs(56,18,56,40): warning CS8618: Non-nullable field 'emailItemPickerList' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\FinalPage\FinalPageItemViewModel.cs(56,18,56,40): warning CS8618: Non-nullable field 'optionalEmailItemPickerList' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\FinalPage\FinalPageItemViewModel.cs(56,18,56,40): warning CS8618: Non-nullable field 'pickedEmailItems' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\FinalPage\FinalPageItemViewModel.cs(56,18,56,40): warning CS8618: Non-nullable property 'ItemTitle' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\FinalPage\FinalPageItemViewModel.cs(56,18,56,40): warning CS8618: Non-nullable property 'FirstItemInfo' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\FinalPage\FinalPageItemViewModel.cs(56,18,56,40): warning CS8618: Non-nullable property 'SecondItemInfo' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\FinalPage\FinalPageItemViewModel.cs(56,18,56,40): warning CS8618: Non-nullable property 'ThirdItemInfo' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\FinalPage\FinalPageItemViewModel.cs(56,18,56,40): warning CS8618: Non-nullable property 'SignatureBytes' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Services\CalculationService.cs(456,97,456,110): warning CS8629: Nullable value type may be null.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Services\CalculationService.cs(23,33,23,47): warning CS8618: Non-nullable field 'sessionManager' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Services\CalculationService.cs(24,43,24,59): warning CS8618: Non-nullable field 'aufgabeZeitarten' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Services\CalculationService.cs(25,43,25,57): warning CS8618: Non-nullable field 'pauseZeitarten' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Services\CalculationService.cs(26,30,26,45): warning CS8618: Non-nullable field 'aufgabeRounding' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Services\CalculationService.cs(27,30,27,43): warning CS8618: Non-nullable field 'pauseRounding' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\FinalPage\FinalPageItemViewModel.cs(126,73,126,77): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\FinalPage\FinalPageItemViewModel.cs(130,61,130,65): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\FinalPage\FinalPageItemViewModel.cs(160,73,160,77): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\FinalPage\FinalPageItemDataTemplateSelector.cs(5,29,5,47): warning CS8618: Non-nullable property 'DetailItemTemplate' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\FinalPage\FinalPageItemDataTemplateSelector.cs(6,29,6,48): warning CS8618: Non-nullable property 'AddressItemTemplate' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\FinalPage\FinalPageItemDataTemplateSelector.cs(7,29,7,51): warning CS8618: Non-nullable property 'SubGroupHeaderTemplate' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\FinalPage\FinalPageItemDataTemplateSelector.cs(8,29,8,56): warning CS8618: Non-nullable property 'ReportChecklistItemTemplate' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\FinalPage\FinalPageItemDataTemplateSelector.cs(9,29,9,48): warning CS8618: Non-nullable property 'ArticleItemTemplate' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\FinalPage\FinalPageItemDataTemplateSelector.cs(10,29,10,52): warning CS8618: Non-nullable property 'TimeBookingItemTemplate' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\FinalPage\FinalPageItemDataTemplateSelector.cs(11,29,11,47): warning CS8618: Non-nullable property 'StatusItemTemplate' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\FinalPage\FinalPageItemDataTemplateSelector.cs(12,29,12,46): warning CS8618: Non-nullable property 'EmailItemTemplate' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\FinalPage\FinalPageItemDataTemplateSelector.cs(13,29,13,50): warning CS8618: Non-nullable property 'SignatureItemTemplate' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\FinalPage\FinalPageItemDataTemplateSelector.cs(14,29,14,61): warning CS8618: Non-nullable property 'TimeBookingTotalTimeItemTemplate' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\FinalPage\FinalPageHeaderViewModel.cs(21,18,21,42): warning CS8618: Non-nullable property 'HeaderTitle' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\FinalPage\FinalPageHeaderViewModel.cs(21,18,21,42): warning CS8618: Non-nullable property 'StatusInfo' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\FinalPage\FinalPageEmailItemViewModel.cs(19,36,19,60): warning CS0618: 'Color.FromHex(string)' is obsolete: 'Use FromArgb instead.'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\FinalPage\FinalPageEmailItemViewModel.cs(24,16,24,43): warning CS8618: Non-nullable property 'ItemTapCommand' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\FinalPage\FinalPageEmailItemViewModel.cs(24,16,24,43): warning CS8618: Non-nullable property 'Email' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\FinalPage\FinalPageEmailItemViewModel.cs(24,16,24,43): warning CS8618: Non-nullable property 'Quelle' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\FinalPage\FinalPageEmailItemPickerViewModel.cs(60,19,60,25): warning CS0612: 'Device' is obsolete
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\FinalPage\FinalPageEmailItemPickerViewModel.cs(60,19,60,109): warning CS0618: 'Device.InvokeOnMainThreadAsync(Func<Task>)' is obsolete: 'Use BindableObject.Dispatcher.DispatchAsync() instead.'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Module\DiagnosticData\UserDiagnosticDataPageModel.cs(54,30,54,44): warning CS8602: Dereference of a possibly null reference.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Module\DiagnosticData\UserDiagnosticDataPageModel.cs(37,16,37,43): warning CS8618: Non-nullable field 'sendMethodText' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Module\DiagnosticData\UserDiagnosticDataPageModel.cs(37,16,37,43): warning CS8618: Non-nullable field 'kommtImage' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\FinalPage\FinalPageEmailItemPickerViewModel.cs(77,19,77,25): warning CS0612: 'Device' is obsolete
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\FinalPage\FinalPageEmailItemPickerViewModel.cs(77,19,77,132): warning CS0618: 'Device.InvokeOnMainThreadAsync(Func<Task>)' is obsolete: 'Use BindableObject.Dispatcher.DispatchAsync() instead.'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\FinalPage\FinalPageEmailItemPickerViewModel.cs(72,62,72,66): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Res\StrRes\StrResWeatherDocu.cs(10,67,10,90): warning CS8602: Dereference of a possibly null reference.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Res\StrRes\StrResFotoDocu.cs(9,67,9,90): warning CS8602: Dereference of a possibly null reference.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ImageDownloadManager\ImageCacheDatabase.cs(39,24,39,28): warning CS8603: Possible null reference return.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\FinalPage\FinalPageEditSignatoryViewModel.cs(31,19,31,25): warning CS0612: 'Device' is obsolete
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\FinalPage\FinalPageEditSignatoryViewModel.cs(31,19,31,109): warning CS0618: 'Device.InvokeOnMainThreadAsync(Func<Task>)' is obsolete: 'Use BindableObject.Dispatcher.DispatchAsync() instead.'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ImageDownloadManager\ImageCacheDatabase.cs(10,38,10,46): warning CS8618: Non-nullable field 'database' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\FinalPage\FinalPageContentPage.xaml.cs(23,36,23,42): warning CS0612: 'Device' is obsolete
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\FinalPage\FinalPageContentPage.xaml.cs(23,36,23,105): warning CS0618: 'Device.BeginInvokeOnMainThread(Action)' is obsolete: 'Use BindableObject.Dispatcher.Dispatch() instead.'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\FinalPage\FinalPageContentPage.xaml.cs(24,47,24,53): warning CS0612: 'Device' is obsolete
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\FinalPage\FinalPageContentPage.xaml.cs(24,47,24,122): warning CS0618: 'Device.InvokeOnMainThreadAsync(Func<Task>)' is obsolete: 'Use BindableObject.Dispatcher.DispatchAsync() instead.'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\FinalPage\FinalPageContentPage.xaml.cs(25,47,25,53): warning CS0612: 'Device' is obsolete
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\FinalPage\FinalPageContentPage.xaml.cs(25,47,25,121): warning CS0618: 'Device.InvokeOnMainThreadAsync(Func<Task>)' is obsolete: 'Use BindableObject.Dispatcher.DispatchAsync() instead.'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\FinalPage\FinalPageContentPage.xaml.cs(22,106,22,110): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\FinalPage\FinalPageContentPage.xaml.cs(29,50,29,65): warning CS8604: Possible null reference argument for parameter 'title' in 'void ITitleBarBase.SetTitleAndSubtitle(string title, string subtitle)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\FinalPage\FinalPageContentPage.xaml.cs(29,67,29,85): warning CS8604: Possible null reference argument for parameter 'subtitle' in 'void ITitleBarBase.SetTitleAndSubtitle(string title, string subtitle)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\FinalPage\FinalPageContentPage.xaml.cs(30,55,30,77): warning CS8604: Possible null reference argument for parameter 'source' in 'IEnumerable<ITitleBarItemB> Enumerable.Cast<ITitleBarItemB>(IEnumerable source)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\FinalPage\FinalPageAddOptionalEmailViewModel.cs(27,16,27,50): warning CS8618: Non-nullable property 'OptionalEmail' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\FinalPage\FinalPageAddOptionalEmailViewModel.cs(27,16,27,50): warning CS8618: Non-nullable property 'EmailValidationInfoText' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\FinalPage\FinalPageAddOptionalEmailViewModel.cs(31,60,31,62): warning CS1998: This async method lacks 'await' operators and will run synchronously. Consider using the 'await' operator to await non-blocking API calls, or 'await Task.Run(...)' to do CPU-bound work on a background thread.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\FinalPage\FinalPageAddOptionalEmailViewModel.cs(69,13,69,19): warning CS0612: 'Device' is obsolete
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\FinalPage\FinalPageAddOptionalEmailViewModel.cs(69,13,73,16): warning CS0618: 'Device.BeginInvokeOnMainThread(Action)' is obsolete: 'Use BindableObject.Dispatcher.Dispatch() instead.'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\ExternalTextDocumentationViewModel.cs(37,18,37,52): warning CS8618: Non-nullable field 'jobInfo' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\ExternalTextDocumentationViewModel.cs(37,18,37,52): warning CS8618: Non-nullable field 'externalDocumentationText' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\ExternalTextDocumentationViewModel.cs(49,96,49,129): warning CS8604: Possible null reference argument for parameter 'bookingId' in 'Task<VorgangsBemerkung> AufgabeBemerkungDataManager.GetOrCreateAufgabeBemerkungByBookingId(string bookingId)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\ExternalTextDocumentationViewModel.cs(72,89,72,107): warning CS8604: Possible null reference argument for parameter 'aufgabeId' in 'List<Aufgabe> AufgabeRepo.getAllTextDocumentationItems(string aufgabeId)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\ExternalTextDocumentationViewModel.cs(102,19,102,25): warning CS0612: 'Device' is obsolete
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\ExternalTextDocumentationViewModel.cs(102,19,102,130): warning CS0618: 'Device.InvokeOnMainThreadAsync(Func<Task>)' is obsolete: 'Use BindableObject.Dispatcher.DispatchAsync() instead.'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\ExternalTextDocumentationViewModel.cs(114,90,114,124): warning CS8604: Possible null reference argument for parameter 'aufgabeId' in 'void IAnalyticsManager.TrackOrderReportTextNoteExternAdded(string aufgabeId)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\ExternalTextDocumentationContentView.xaml.cs(20,40,20,59): warning CS8622: Nullability of reference types in type of parameter 'sender' of 'void ExternalTextDocumentationContentView.MatEditor_Unfocused(object sender, FocusEventArgs e)' doesn't match the target delegate 'EventHandler<FocusEventArgs>' (possibly because of nullability attributes).
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\ArticlePickerViewModel.cs(39,16,39,38): warning CS8618: Non-nullable property 'OpenEditPageCommand' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\ArticlePickerViewModel.cs(39,16,39,38): warning CS8618: Non-nullable field 'articleBooking' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\ArticlePickerViewModel.cs(39,16,39,38): warning CS8618: Non-nullable field 'selectedAufgabe' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\ArticlePickerViewModel.cs(39,16,39,38): warning CS8618: Non-nullable field 'refreshArticleOverviewPageAction' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\ArticlePickerViewModel.cs(39,16,39,38): warning CS8618: Non-nullable field 'artikelMaterialanforderungen' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\ArticlePickerViewModel.cs(39,16,39,38): warning CS8618: Non-nullable field 'onSafeAction' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\ArticlePickerViewModel.cs(39,16,39,38): warning CS8618: Non-nullable property 'CatalogName' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\ArticlePickerViewModel.cs(83,19,83,25): warning CS0612: 'Device' is obsolete
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\ArticlePickerViewModel.cs(83,19,84,58): warning CS0618: 'Device.InvokeOnMainThreadAsync(Func<Task>)' is obsolete: 'Use BindableObject.Dispatcher.DispatchAsync() instead.'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\ArticlePickerViewModel.cs(87,19,87,25): warning CS0612: 'Device' is obsolete
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\ArticlePickerViewModel.cs(87,19,88,39): warning CS0618: 'Device.InvokeOnMainThreadAsync(Func<Task>)' is obsolete: 'Use BindableObject.Dispatcher.DispatchAsync() instead.'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\ArticlePickerViewModel.cs(84,30,84,34): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\ArticlePickerViewModel.cs(100,53,100,57): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\ArticleBookingSelectionFromMaterialRequestContentPage.xaml.cs(37,63,37,89): warning CS8604: Possible null reference argument for parameter 'title' in 'void ITitleBarBase.SetTitleAndSubtitle(string title, string subtitle)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\ArticleBookingSelectionFromMaterialRequestContentPage.xaml.cs(37,91,37,120): warning CS8604: Possible null reference argument for parameter 'subtitle' in 'void ITitleBarBase.SetTitleAndSubtitle(string title, string subtitle)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\ArticleBookingSelectionFromMaterialRequestContentPage.xaml.cs(53,64,53,97): warning CS8604: Possible null reference argument for parameter 'listTitleBarItem' in 'void ITitleBarBase.SetListTitleBarItemRight(List<ITitleBarItemB> listTitleBarItem)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Res\StrRes\StrResHomeTile.cs(11,56,11,105): warning CS8603: Possible null reference return.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ImageDownloadManager\ImageCacheDatabase.cs(61,16,61,27): warning CS8618: Non-nullable property 'url' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ImageDownloadManager\ImageCacheDatabase.cs(61,16,61,27): warning CS8618: Non-nullable property 'imageData' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Res\StrRes\StrResSideMenu.cs(8,65,8,114): warning CS8603: Possible null reference return.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\ArticleBookingSelectionFromCatalogContentPage.xaml.cs(34,45,34,68): warning CS8604: Possible null reference argument for parameter 'title' in 'TitleBar.TitleBar(string title, string subtitle = null, bool centerTitle = false, bool hasIndicator = false, bool enableIcon = true)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\ArticleBookingSelectionFromCatalogContentPage.xaml.cs(38,28,38,36): warning CS8604: Possible null reference argument for parameter 'titleBar' in 'void APageRootViewB.SetContent(ITitleBarBase titleBar, IView contentView)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\ArticleBookingSelectionFromCatalogContentPage.xaml.cs(25,20,25,32): warning CS8618: Non-nullable field 'titleBarInfo' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\ArticleBookingSelectionFromCatalogContentPage.xaml.cs(51,39,51,62): warning CS8604: Possible null reference argument for parameter 'title' in 'void ATitleBarB.SetTitle(string title)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\ArticleBookingSelectionFromCatalogContentPage.xaml.cs(52,42,52,68): warning CS8604: Possible null reference argument for parameter 'subtitle' in 'void ATitleBarB.SetSubtitle(string subtitle)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\ArticleBookingScannedArticlePickerViewModel.cs(15,18,15,61): warning CS8618: Non-nullable property 'ArticleList' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\ArticleBookingScannedArticlePickerViewModel.cs(40,19,40,25): warning CS0612: 'Device' is obsolete
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\ArticleBookingScannedArticlePickerViewModel.cs(40,19,40,105): warning CS0618: 'Device.InvokeOnMainThreadAsync(Action)' is obsolete: 'Use BindableObject.Dispatcher.DispatchAsync() instead.'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\ArticleBookingScannedArticlePickerViewModel.cs(58,19,58,25): warning CS0612: 'Device' is obsolete
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\ArticleBookingScannedArticlePickerViewModel.cs(58,19,58,105): warning CS0618: 'Device.InvokeOnMainThreadAsync(Action)' is obsolete: 'Use BindableObject.Dispatcher.DispatchAsync() instead.'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\ArticleBookingScannedArticlePickerContentView.xaml.cs(13,17,13,62): warning CS8618: Non-nullable field 'viewModel' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Factories\EntryData\NachbuchungEintragFactory.cs(50,24,50,28): warning CS8603: Possible null reference return.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Factories\EntryData\NachbuchungEintragFactory.cs(85,84,85,94): warning CS8604: Possible null reference argument for parameter 'rootBookingId' in 'Task<List<ArbeitspaketData>> DbArbeitspaketData.GetAllByRootBookingId(string rootBookingId)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Factories\EntryData\NachbuchungEintragFactory.cs(241,42,241,61): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Factories\EntryData\NachbuchungEintragFactory.cs(285,31,285,41): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Factories\EntryData\NachbuchungEintragFactory.cs(295,31,295,50): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Factories\EntryData\NachbuchungEintragFactory.cs(317,24,317,28): warning CS8603: Possible null reference return.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Factories\EntryData\NachbuchungEintragFactory.cs(322,24,322,28): warning CS8603: Possible null reference return.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Factories\EntryData\NachbuchungEintragFactory.cs(341,245,341,267): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Factories\EntryData\NachbuchungEintragFactory.cs(349,43,349,60): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\SyncManager\SyncManagerRE.cs(52,17,52,30): warning CS8618: Non-nullable field 'timer' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\SyncManager\SyncManagerRE.cs(161,52,161,65): warning CS8604: Possible null reference argument for parameter 'appresult' in 'void ServerParser.ParseResult(SyncResult appresult)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\SyncManager\SyncManagerRE.cs(140,32,140,36): warning CS8603: Possible null reference return.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\SyncManager\SyncManagerRE.cs(182,25,182,29): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\SyncManager\SyncManagerRE.cs(261,80,261,84): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\SyncManager\SyncManagerRE.cs(26,38,26,46): warning CS8618: Non-nullable field 'instance' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\SyncManager\SyncManagerRE.cs(206,34,206,46): warning CS8622: Nullability of reference types in type of parameter 'sender' of 'void SyncTimer.TimerElapsed(object sender, ElapsedEventArgs eventArgs)' doesn't match the target delegate 'ElapsedEventHandler' (possibly because of nullability attributes).
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\SyncManager\SyncManagerRE.cs(214,34,214,46): warning CS8622: Nullability of reference types in type of parameter 'sender' of 'void SyncTimer.TimerElapsed(object sender, ElapsedEventArgs eventArgs)' doesn't match the target delegate 'ElapsedEventHandler' (possibly because of nullability attributes).
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\SyncManager\SyncManagerRE.cs(222,34,222,46): warning CS8622: Nullability of reference types in type of parameter 'sender' of 'void SyncTimer.TimerElapsed(object sender, ElapsedEventArgs eventArgs)' doesn't match the target delegate 'ElapsedEventHandler' (possibly because of nullability attributes).
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\SyncManager\SyncManager.cs(23,18,23,29): warning CS8618: Non-nullable field 'msgCenterSubscriber' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\SyncManager\SyncManager.cs(68,13,68,28): warning CS0618: 'MessagingCenter' is obsolete: 'We recommend migrating to `CommunityToolkit.MVVM.WeakReferenceMessenger`: https://www.nuget.org/packages/CommunityToolkit.Mvvm'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\SyncManager\SyncManager.cs(72,23,72,29): warning CS0612: 'Device' is obsolete
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\SyncManager\SyncManager.cs(72,23,75,19): warning CS0618: 'Device.InvokeOnMainThreadAsync(Action)' is obsolete: 'Use BindableObject.Dispatcher.DispatchAsync() instead.'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\SyncManager\SyncManager.cs(78,13,78,28): warning CS0618: 'MessagingCenter' is obsolete: 'We recommend migrating to `CommunityToolkit.MVVM.WeakReferenceMessenger`: https://www.nuget.org/packages/CommunityToolkit.Mvvm'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\SyncManager\SyncManager.cs(82,23,82,29): warning CS0612: 'Device' is obsolete
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\SyncManager\SyncManager.cs(82,23,85,19): warning CS0618: 'Device.InvokeOnMainThreadAsync(Action)' is obsolete: 'Use BindableObject.Dispatcher.DispatchAsync() instead.'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\SyncManager\SyncManager.cs(88,13,88,28): warning CS0618: 'MessagingCenter' is obsolete: 'We recommend migrating to `CommunityToolkit.MVVM.WeakReferenceMessenger`: https://www.nuget.org/packages/CommunityToolkit.Mvvm'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\SyncManager\SyncManager.cs(92,23,92,29): warning CS0612: 'Device' is obsolete
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\SyncManager\SyncManager.cs(92,23,95,19): warning CS0618: 'Device.InvokeOnMainThreadAsync(Action)' is obsolete: 'Use BindableObject.Dispatcher.DispatchAsync() instead.'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\SyncManager\SyncManager.cs(98,13,98,28): warning CS0618: 'MessagingCenter' is obsolete: 'We recommend migrating to `CommunityToolkit.MVVM.WeakReferenceMessenger`: https://www.nuget.org/packages/CommunityToolkit.Mvvm'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\SyncManager\SyncManager.cs(102,23,102,29): warning CS0612: 'Device' is obsolete
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\SyncManager\SyncManager.cs(102,23,105,19): warning CS0618: 'Device.InvokeOnMainThreadAsync(Action)' is obsolete: 'Use BindableObject.Dispatcher.DispatchAsync() instead.'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\SyncManager\SyncManager.cs(108,13,108,28): warning CS0618: 'MessagingCenter' is obsolete: 'We recommend migrating to `CommunityToolkit.MVVM.WeakReferenceMessenger`: https://www.nuget.org/packages/CommunityToolkit.Mvvm'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\SyncManager\SyncManager.cs(112,23,112,29): warning CS0612: 'Device' is obsolete
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\SyncManager\SyncManager.cs(112,23,115,19): warning CS0618: 'Device.InvokeOnMainThreadAsync(Action)' is obsolete: 'Use BindableObject.Dispatcher.DispatchAsync() instead.'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\SyncManager\SyncManager.cs(118,13,118,28): warning CS0618: 'MessagingCenter' is obsolete: 'We recommend migrating to `CommunityToolkit.MVVM.WeakReferenceMessenger`: https://www.nuget.org/packages/CommunityToolkit.Mvvm'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\SyncManager\SyncManager.cs(122,23,122,29): warning CS0612: 'Device' is obsolete
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\SyncManager\SyncManager.cs(122,23,125,19): warning CS0618: 'Device.InvokeOnMainThreadAsync(Action)' is obsolete: 'Use BindableObject.Dispatcher.DispatchAsync() instead.'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\SyncManager\SyncManager.cs(134,13,134,28): warning CS0618: 'MessagingCenter' is obsolete: 'We recommend migrating to `CommunityToolkit.MVVM.WeakReferenceMessenger`: https://www.nuget.org/packages/CommunityToolkit.Mvvm'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\SyncManager\SyncManager.cs(135,13,135,28): warning CS0618: 'MessagingCenter' is obsolete: 'We recommend migrating to `CommunityToolkit.MVVM.WeakReferenceMessenger`: https://www.nuget.org/packages/CommunityToolkit.Mvvm'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\SyncManager\SyncManager.cs(136,13,136,28): warning CS0618: 'MessagingCenter' is obsolete: 'We recommend migrating to `CommunityToolkit.MVVM.WeakReferenceMessenger`: https://www.nuget.org/packages/CommunityToolkit.Mvvm'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\SyncManager\SyncManager.cs(137,13,137,28): warning CS0618: 'MessagingCenter' is obsolete: 'We recommend migrating to `CommunityToolkit.MVVM.WeakReferenceMessenger`: https://www.nuget.org/packages/CommunityToolkit.Mvvm'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\SyncManager\SyncManager.cs(138,13,138,28): warning CS0618: 'MessagingCenter' is obsolete: 'We recommend migrating to `CommunityToolkit.MVVM.WeakReferenceMessenger`: https://www.nuget.org/packages/CommunityToolkit.Mvvm'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\SyncManager\SyncManager.cs(139,13,139,28): warning CS0618: 'MessagingCenter' is obsolete: 'We recommend migrating to `CommunityToolkit.MVVM.WeakReferenceMessenger`: https://www.nuget.org/packages/CommunityToolkit.Mvvm'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\SyncManager\SyncManager.cs(144,34,144,58): warning CS8618: Non-nullable property 'OnSetAddedListenerAction' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\SyncManager\SyncManager.cs(145,37,145,58): warning CS8618: Non-nullable property 'OnStartListenerAction' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\SyncManager\SyncManager.cs(146,34,146,61): warning CS8618: Non-nullable property 'OnGetPackagesListenerAction' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\SyncManager\SyncManager.cs(147,34,147,61): warning CS8618: Non-nullable property 'OnChangesLeftListenerAction' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\SyncManager\SyncManager.cs(148,37,148,69): warning CS8618: Non-nullable property 'OnChangesCompletedListenerAction' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\SyncManager\SyncManager.cs(149,37,149,64): warning CS8618: Non-nullable property 'OnMobileErrorListenerAction' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\SessionManager.cs(23,61,23,80): warning CS8604: Possible null reference argument for parameter 'id' in 'Task<PersonalData> DbPersonalData.GetById(string id)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\SessionManager.cs(58,16,58,30): warning CS8618: Non-nullable property 'AuthData' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\SessionManager.cs(58,16,58,30): warning CS8618: Non-nullable property 'PersonalUserData' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\SessionManager.cs(58,16,58,30): warning CS8618: Non-nullable property 'PersonalData' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\SessionManager.cs(58,16,58,30): warning CS8618: Non-nullable property 'AppConfigData' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\SessionManager.cs(67,45,67,81): warning CS8603: Possible null reference return.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\SessionManager.cs(68,51,68,93): warning CS8603: Possible null reference return.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\ServerDataParserManager.cs(15,82,15,86): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\ServerDataParserManager.cs(19,85,19,89): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\ServerDataParserManager.cs(22,85,22,89): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\ServerDataParserManager.cs(26,88,26,92): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\ServerDataParserManager.cs(30,85,30,89): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\ServerDataParserManager.cs(37,92,37,96): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\ServerDataParserManager.cs(44,54,44,66): warning CS8604: Possible null reference argument for parameter 'stammDataApp' in 'Task IDatabase.UpdateStammData(StammDataApp stammDataApp)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\ServerDataParserManager.cs(110,62,110,66): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerParserRE.cs(51,16,51,30): warning CS8618: Non-nullable field 'dbInfoConnection' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerParserRE.cs(51,16,51,30): warning CS8618: Non-nullable field 'writeConnection' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerParserRE.cs(51,16,51,30): warning CS8618: Non-nullable field 'readConnection' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerParserRE.cs(51,16,51,30): warning CS8618: Non-nullable field 'zeitartliste' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerParserRE.cs(51,16,51,30): warning CS8618: Non-nullable field 'taetigkeitliste' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerParserRE.cs(51,16,51,30): warning CS8618: Non-nullable field 'personalliste' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerParserRE.cs(51,16,51,30): warning CS8618: Non-nullable field 'aufgabepersonalliste' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerParserRE.cs(51,16,51,30): warning CS8618: Non-nullable field 'aufgabeartliste' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerParserRE.cs(51,16,51,30): warning CS8618: Non-nullable field 'zeitbuchungsliste' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerParserRE.cs(51,16,51,30): warning CS8618: Non-nullable field 'aufgabeliste' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerParserRE.cs(51,16,51,30): warning CS8618: Non-nullable field 'dokumentationtextbausteinliste' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerParserRE.cs(51,16,51,30): warning CS8618: Non-nullable field 'aufgabelistliste' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerParserRE.cs(51,16,51,30): warning CS8618: Non-nullable field 'personallistliste' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerParserRE.cs(51,16,51,30): warning CS8618: Non-nullable field 'abwesenheitsartlist' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerParserRE.cs(51,16,51,30): warning CS8618: Non-nullable field 'abwesenheitszeitlist' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerParserRE.cs(61,16,61,30): warning CS8618: Non-nullable field 'dbInfoConnection' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerParserRE.cs(61,16,61,30): warning CS8618: Non-nullable field 'zeitartliste' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerParserRE.cs(61,16,61,30): warning CS8618: Non-nullable field 'taetigkeitliste' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerParserRE.cs(61,16,61,30): warning CS8618: Non-nullable field 'personalliste' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerParserRE.cs(61,16,61,30): warning CS8618: Non-nullable field 'aufgabepersonalliste' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerParserRE.cs(61,16,61,30): warning CS8618: Non-nullable field 'aufgabeartliste' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerParserRE.cs(61,16,61,30): warning CS8618: Non-nullable field 'zeitbuchungsliste' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerParserRE.cs(61,16,61,30): warning CS8618: Non-nullable field 'aufgabeliste' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerParserRE.cs(61,16,61,30): warning CS8618: Non-nullable field 'dokumentationtextbausteinliste' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerParserRE.cs(61,16,61,30): warning CS8618: Non-nullable field 'aufgabelistliste' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerParserRE.cs(61,16,61,30): warning CS8618: Non-nullable field 'personallistliste' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerParserRE.cs(61,16,61,30): warning CS8618: Non-nullable field 'abwesenheitsartlist' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerParserRE.cs(61,16,61,30): warning CS8618: Non-nullable field 'abwesenheitszeitlist' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerParserRE.cs(287,37,287,52): warning CS0618: 'MessagingCenter' is obsolete: 'We recommend migrating to `CommunityToolkit.MVVM.WeakReferenceMessenger`: https://www.nuget.org/packages/CommunityToolkit.Mvvm'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerParserRE.cs(634,17,634,32): warning CS0618: 'MessagingCenter' is obsolete: 'We recommend migrating to `CommunityToolkit.MVVM.WeakReferenceMessenger`: https://www.nuget.org/packages/CommunityToolkit.Mvvm'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerParserRE.cs(645,21,645,36): warning CS0618: 'MessagingCenter' is obsolete: 'We recommend migrating to `CommunityToolkit.MVVM.WeakReferenceMessenger`: https://www.nuget.org/packages/CommunityToolkit.Mvvm'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerParserRE.cs(661,17,661,32): warning CS0618: 'MessagingCenter' is obsolete: 'We recommend migrating to `CommunityToolkit.MVVM.WeakReferenceMessenger`: https://www.nuget.org/packages/CommunityToolkit.Mvvm'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerParserRE.cs(192,72,192,76): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerParserRE.cs(232,58,232,62): warning CS8600: Converting null literal or possible null value to non-nullable type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerParserRE.cs(247,41,247,123): warning CS8600: Converting null literal or possible null value to non-nullable type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerParserRE.cs(248,72,248,73): warning CS8604: Possible null reference argument for parameter 'item' in 'void List<DokumentationsTextbaustein>.Add(DokumentationsTextbaustein item)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerParserRE.cs(253,44,253,116): warning CS8600: Converting null literal or possible null value to non-nullable type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerParserRE.cs(254,62,254,66): warning CS8604: Possible null reference argument for parameter 'item' in 'void List<Abwesenheitszeit>.Add(Abwesenheitszeit item)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerParserRE.cs(259,43,259,114): warning CS8600: Converting null literal or possible null value to non-nullable type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerParserRE.cs(260,61,260,64): warning CS8604: Possible null reference argument for parameter 'item' in 'void List<Abwesenheitsart>.Add(Abwesenheitsart item)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerParserRE.cs(265,42,265,107): warning CS8600: Converting null literal or possible null value to non-nullable type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerParserRE.cs(266,56,266,58): warning CS8604: Possible null reference argument for parameter 'item' in 'void List<Spesenart>.Add(Spesenart item)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerParserRE.cs(284,41,284,105): warning CS8600: Converting null literal or possible null value to non-nullable type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerParserRE.cs(285,55,285,56): warning CS8604: Possible null reference argument for parameter 'item' in 'void List<Personal>.Add(Personal item)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerParserRE.cs(292,41,292,104): warning CS8600: Converting null literal or possible null value to non-nullable type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerParserRE.cs(293,54,293,55): warning CS8604: Possible null reference argument for parameter 'item' in 'void List<Zeitart>.Add(Zeitart item)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerParserRE.cs(298,41,298,107): warning CS8600: Converting null literal or possible null value to non-nullable type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerParserRE.cs(299,57,299,58): warning CS8604: Possible null reference argument for parameter 'item' in 'void List<Taetigkeit>.Add(Taetigkeit item)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerParserRE.cs(312,42,312,113): warning CS8600: Converting null literal or possible null value to non-nullable type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerParserRE.cs(313,62,313,64): warning CS8604: Possible null reference argument for parameter 'item' in 'void List<AufgabePersonal>.Add(AufgabePersonal item)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerParserRE.cs(318,42,318,108): warning CS8600: Converting null literal or possible null value to non-nullable type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerParserRE.cs(319,57,319,59): warning CS8604: Possible null reference argument for parameter 'item' in 'void List<AufgabeArt>.Add(AufgabeArt item)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerParserRE.cs(324,45,324,112): warning CS8600: Converting null literal or possible null value to non-nullable type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerParserRE.cs(325,59,325,64): warning CS8604: Possible null reference argument for parameter 'item' in 'void List<Zeitbuchung>.Add(Zeitbuchung item)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerParserRE.cs(330,48,330,118): warning CS8600: Converting null literal or possible null value to non-nullable type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerParserRE.cs(331,37,331,45): warning CS8602: Dereference of a possibly null reference.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerParserRE.cs(337,48,337,118): warning CS8600: Converting null literal or possible null value to non-nullable type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerParserRE.cs(338,37,338,45): warning CS8602: Dereference of a possibly null reference.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerParserRE.cs(344,48,344,118): warning CS8600: Converting null literal or possible null value to non-nullable type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerParserRE.cs(345,37,345,45): warning CS8602: Dereference of a possibly null reference.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerParserRE.cs(351,50,351,126): warning CS8600: Converting null literal or possible null value to non-nullable type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerParserRE.cs(352,66,352,76): warning CS8604: Possible null reference argument for parameter 'item' in 'void List<ChecklistenGruppeArt>.Add(ChecklistenGruppeArt item)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerParserRE.cs(357,50,357,122): warning CS8600: Converting null literal or possible null value to non-nullable type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerParserRE.cs(358,37,358,47): warning CS8602: Dereference of a possibly null reference.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerParserRE.cs(362,66,362,70): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerParserRE.cs(368,50,368,127): warning CS8600: Converting null literal or possible null value to non-nullable type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerParserRE.cs(370,41,370,51): warning CS8602: Dereference of a possibly null reference.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerParserRE.cs(383,51,383,139): warning CS8600: Converting null literal or possible null value to non-nullable type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerParserRE.cs(384,68,384,79): warning CS8604: Possible null reference argument for parameter 'item' in 'void List<ChecklistenEintragArtGruppenLink>.Add(ChecklistenEintragArtGruppenLink item)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerParserRE.cs(491,55,491,59): warning CS8600: Converting null literal or possible null value to non-nullable type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerParserRE.cs(238,34,238,64): warning CS0219: The variable 'aufgabeListByBuchungsIdDeleted' is assigned but its value is never used
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerParserRE.cs(671,34,671,100): warning CS8600: Converting null literal or possible null value to non-nullable type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerParserRE.cs(689,84,689,105): warning CS8604: Possible null reference argument for parameter 'aufgabeBuchungsId' in 'List<ArtikelBuchung> ArtikelbuchungRepository.GetArtikelbuchungenFromAufgabe(string aufgabeBuchungsId, bool? istUnterschrieben = null, Anlage filterAnlage = null)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerParserRE.cs(695,36,695,42): warning CS8600: Converting null literal or possible null value to non-nullable type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerParserRE.cs(721,101,721,122): warning CS8604: Possible null reference argument for parameter 'aufgabeBuchungsId' in 'List<Zeitbuchung> ZeitbuchungRepository.GibAlleNichtGesperrtenAufgabenBuchungenVonAufgabe(string aufgabeBuchungsId)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerParserRE.cs(724,32,724,38): warning CS8600: Converting null literal or possible null value to non-nullable type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerParserRE.cs(784,69,784,79): warning CS8604: Possible null reference argument for parameter 'dokumentationseintragid' in 'void DokumentationsbildRepository.DeleteByDokumentationseintragId(string dokumentationseintragid)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerParserRE.cs(793,39,793,43): warning CS8600: Converting null literal or possible null value to non-nullable type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerParserRE.cs(794,48,794,72): warning CS8604: Possible null reference argument for parameter 'businessobjectId' in 'bool EventNotificationRepository.HasAufgabeNotif(string businessobjectId)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerParserRE.cs(826,32,826,55): warning CS8600: Converting null literal or possible null value to non-nullable type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerParserRE.cs(835,52,835,75): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerParserRE.cs(838,45,838,68): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerParserRE.cs(841,55,841,78): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerParserRE.cs(844,50,844,73): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerParserRE.cs(847,79,847,102): warning CS8604: Possible null reference argument for parameter 's' in 'decimal decimal.Parse(string s)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerParserRE.cs(850,78,850,101): warning CS8604: Possible null reference argument for parameter 's' in 'decimal decimal.Parse(string s)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerParserRE.cs(853,57,853,80): warning CS8604: Possible null reference argument for parameter 's' in 'int int.Parse(string s)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerParserRE.cs(856,87,856,110): warning CS8604: Possible null reference argument for parameter 's' in 'decimal decimal.Parse(string s)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerParserRE.cs(859,86,859,109): warning CS8604: Possible null reference argument for parameter 's' in 'decimal decimal.Parse(string s)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerParserRE.cs(862,47,862,70): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerParserRE.cs(880,32,880,55): warning CS8600: Converting null literal or possible null value to non-nullable type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerParserRE.cs(886,43,886,66): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerParserRE.cs(895,45,895,68): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerParserRE.cs(898,43,898,66): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerParserRE.cs(901,41,901,64): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerParserRE.cs(904,46,904,69): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerParserRE.cs(907,54,907,77): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerParserRE.cs(910,54,910,77): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerParserRE.cs(913,54,913,77): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerParserRE.cs(916,56,916,79): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerParserRE.cs(919,56,919,79): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerParserRE.cs(922,61,922,84): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerParserRE.cs(925,57,925,80): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerParserRE.cs(928,54,928,77): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerParserRE.cs(931,70,931,93): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerParserRE.cs(934,80,934,103): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerParserRE.cs(937,66,937,89): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerParserRE.cs(940,66,940,89): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerParserRE.cs(943,49,943,72): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerParserRE.cs(946,42,946,65): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerParserRE.cs(949,40,949,63): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerParserRE.cs(952,44,952,67): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerParserRE.cs(955,54,955,77): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerParserRE.cs(958,54,958,77): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerParserRE.cs(961,54,961,77): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerParserRE.cs(964,56,964,79): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerParserRE.cs(967,56,967,79): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerParserRE.cs(970,61,970,84): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerParserRE.cs(973,57,973,80): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerParserRE.cs(976,54,976,77): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerParserRE.cs(979,70,979,93): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerParserRE.cs(982,80,982,103): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerParserRE.cs(985,66,985,89): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerParserRE.cs(988,66,988,89): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerParserRE.cs(991,44,991,67): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerParserRE.cs(994,44,994,67): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerParserRE.cs(997,54,997,77): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerParserRE.cs(1000,50,1000,73): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerParserRE.cs(1003,73,1003,96): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerParserRE.cs(1006,59,1006,82): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerParserRE.cs(1009,59,1009,82): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerParserRE.cs(1012,63,1012,86): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerParserRE.cs(1015,47,1015,70): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerParserRE.cs(1018,47,1018,70): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerParserRE.cs(1021,48,1021,71): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerParserRE.cs(1024,60,1024,83): warning CS8604: Possible null reference argument for parameter 's' in 'decimal decimal.Parse(string s)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerParserRE.cs(1027,54,1027,77): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerParserRE.cs(1030,47,1030,70): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerParserRE.cs(1033,47,1033,70): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerParserRE.cs(1036,47,1036,70): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerParserRE.cs(1039,41,1039,64): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerParserRE.cs(1042,50,1042,73): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerParserRE.cs(1045,55,1045,78): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerParserRE.cs(1048,43,1048,66): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerParserRE.cs(1056,66,1056,89): warning CS8604: Possible null reference argument for parameter 's' in 'decimal decimal.Parse(string s)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerParserRE.cs(1059,61,1059,84): warning CS8604: Possible null reference argument for parameter 's' in 'decimal decimal.Parse(string s)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerParserRE.cs(1098,32,1098,55): warning CS8600: Converting null literal or possible null value to non-nullable type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerParserRE.cs(1104,47,1104,70): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerParserRE.cs(1107,47,1107,70): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerParserRE.cs(1110,47,1110,70): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerParserRE.cs(1113,43,1113,66): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerParserRE.cs(1136,34,1136,42): warning CS8602: Dereference of a possibly null reference.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerParserRE.cs(1156,50,1156,73): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerParserRE.cs(1159,45,1159,68): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerParserRE.cs(1162,43,1162,66): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerParserRE.cs(1165,41,1165,64): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerParserRE.cs(1168,46,1168,69): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerParserRE.cs(1171,54,1171,77): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerParserRE.cs(1174,54,1174,77): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerParserRE.cs(1177,54,1177,77): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerParserRE.cs(1180,56,1180,79): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerParserRE.cs(1183,56,1183,79): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerParserRE.cs(1186,61,1186,84): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerParserRE.cs(1189,57,1189,80): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerParserRE.cs(1192,54,1192,77): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerParserRE.cs(1195,70,1195,93): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerParserRE.cs(1198,80,1198,103): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerParserRE.cs(1201,66,1201,89): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerParserRE.cs(1204,66,1204,89): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerParserRE.cs(1207,42,1207,65): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerParserRE.cs(1210,40,1210,63): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerParserRE.cs(1213,49,1213,72): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerParserRE.cs(1216,44,1216,67): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerParserRE.cs(1219,47,1219,70): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerParserRE.cs(1222,48,1222,71): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerParserRE.cs(1225,60,1225,83): warning CS8604: Possible null reference argument for parameter 's' in 'decimal decimal.Parse(string s)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerParserRE.cs(1228,54,1228,77): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerParserRE.cs(1231,54,1231,77): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerParserRE.cs(1234,54,1234,77): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerParserRE.cs(1237,54,1237,77): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerParserRE.cs(1240,56,1240,79): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerParserRE.cs(1243,56,1243,79): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerParserRE.cs(1246,61,1246,84): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerParserRE.cs(1249,57,1249,80): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerParserRE.cs(1252,54,1252,77): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerParserRE.cs(1255,70,1255,93): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerParserRE.cs(1258,80,1258,103): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerParserRE.cs(1261,66,1261,89): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerParserRE.cs(1264,66,1264,89): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerParserRE.cs(1267,44,1267,67): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerParserRE.cs(1270,44,1270,67): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerParserRE.cs(1273,54,1273,77): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerParserRE.cs(1276,50,1276,73): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerParserRE.cs(1279,73,1279,96): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerParserRE.cs(1282,59,1282,82): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerParserRE.cs(1285,59,1285,82): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerParserRE.cs(1288,63,1288,86): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerParserRE.cs(1291,47,1291,70): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerParserRE.cs(1307,43,1307,66): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerParserRE.cs(1310,66,1310,89): warning CS8604: Possible null reference argument for parameter 's' in 'decimal decimal.Parse(string s)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerParserRE.cs(1313,61,1313,84): warning CS8604: Possible null reference argument for parameter 's' in 'decimal decimal.Parse(string s)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerParserRE.cs(1336,41,1336,64): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerParserRE.cs(1339,50,1339,73): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerParserRE.cs(1342,55,1342,78): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerParserRE.cs(1345,51,1345,74): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerParserRE.cs(1123,33,1123,56): warning CS8073: The result of the expression is always 'true' since a value of type 'DateTime' is never equal to 'null' of type 'DateTime?'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerParserRE.cs(1128,33,1128,54): warning CS8073: The result of the expression is always 'true' since a value of type 'DateTime' is never equal to 'null' of type 'DateTime?'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerParserRE.cs(1361,43,1361,47): warning CS8600: Converting null literal or possible null value to non-nullable type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerParserRE.cs(1363,83,1363,92): warning CS8604: Possible null reference argument for parameter 'businessobjectId' in 'EventNotification EventNotificationRepository.GetAufgabeTerminEventNotifications(string businessobjectId)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerParserRE.cs(1408,65,1408,69): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerParserRE.cs(1411,46,1411,50): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerParserRE.cs(1413,49,1413,53): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerParserRE.cs(1424,45,1424,51): warning CS8604: Possible null reference argument for parameter 'businessObject' in 'void GlobalRepository<DeviceStatus>.Update(DeviceStatus businessObject)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerParserRE.cs(1426,52,1426,56): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerParserRE.cs(1433,55,1433,59): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerParserRE.cs(1434,47,1434,51): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerParserRE.cs(1439,54,1439,58): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerParserRE.cs(1441,50,1441,54): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerParserRE.cs(1444,49,1444,53): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerParserRE.cs(1446,50,1446,54): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerParserRE.cs(1448,46,1448,50): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerParserRE.cs(68,43,68,59): warning CS8618: Non-nullable event 'SetGeraeteStatus' must contain a non-null value when exiting constructor. Consider declaring the event as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerParserRE.cs(69,43,69,66): warning CS8618: Non-nullable event 'RebootBackgroundService' must contain a non-null value when exiting constructor. Consider declaring the event as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerParserRE.cs(70,43,70,58): warning CS8618: Non-nullable event 'PersonalChanged' must contain a non-null value when exiting constructor. Consider declaring the event as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerParserRE.cs(71,43,71,60): warning CS8618: Non-nullable event 'TaetigkeitChanged' must contain a non-null value when exiting constructor. Consider declaring the event as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerParserRE.cs(72,43,72,57): warning CS8618: Non-nullable event 'AufgabeChanged' must contain a non-null value when exiting constructor. Consider declaring the event as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerParserRE.cs(73,43,73,57): warning CS8618: Non-nullable event 'ZeitArtChanged' must contain a non-null value when exiting constructor. Consider declaring the event as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerParserRE.cs(74,43,74,65): warning CS8618: Non-nullable event 'AufgabePersonalChanged' must contain a non-null value when exiting constructor. Consider declaring the event as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerParserRE.cs(75,43,75,60): warning CS8618: Non-nullable event 'AufgabeArtChanged' must contain a non-null value when exiting constructor. Consider declaring the event as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerParserRE.cs(76,43,76,61): warning CS8618: Non-nullable event 'ZeitbuchungChanged' must contain a non-null value when exiting constructor. Consider declaring the event as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerParserRE.cs(77,43,77,76): warning CS8618: Non-nullable event 'DokumentationsTextBausteinChanged' must contain a non-null value when exiting constructor. Consider declaring the event as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerParserRE.cs(79,43,79,63): warning CS8618: Non-nullable event 'ZeitbuchungenDeleted' must contain a non-null value when exiting constructor. Consider declaring the event as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerParserRE.cs(81,54,81,72): warning CS8618: Non-nullable field 'lastAufgabenUpdate' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerData\StammData\StammDataParserBO.cs(242,29,242,33): warning CS0219: The variable 'todo' is assigned but its value is never used
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\HandauftragserfassungViewModelRD.cs(90,49,90,81): warning CS8622: Nullability of reference types in type of parameter 'sender' of 'void HandauftragserfassungViewModelRD.Connectivity_ConnectivityChanged(object sender, ConnectivityChangedEventArgs e)' doesn't match the target delegate 'EventHandler<ConnectivityChangedEventArgs>' (possibly because of nullability attributes).
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\HandauftragserfassungViewModelRD.cs(79,16,79,48): warning CS8618: Non-nullable field 'kundennummer' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\HandauftragserfassungViewModelRD.cs(79,16,79,48): warning CS8618: Non-nullable field 'kundenname' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\HandauftragserfassungViewModelRD.cs(79,16,79,48): warning CS8618: Non-nullable field 'kundenadresse' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\HandauftragserfassungViewModelRD.cs(79,16,79,48): warning CS8618: Non-nullable field 'plz' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\HandauftragserfassungViewModelRD.cs(79,16,79,48): warning CS8618: Non-nullable field 'ort' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\HandauftragserfassungViewModelRD.cs(79,16,79,48): warning CS8618: Non-nullable field 'telNummer' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\HandauftragserfassungViewModelRD.cs(79,16,79,48): warning CS8618: Non-nullable field 'lieferadresseName' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\HandauftragserfassungViewModelRD.cs(79,16,79,48): warning CS8618: Non-nullable field 'lieferadresse' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\HandauftragserfassungViewModelRD.cs(79,16,79,48): warning CS8618: Non-nullable field 'lieferadressePLZ' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\HandauftragserfassungViewModelRD.cs(79,16,79,48): warning CS8618: Non-nullable field 'lieferadresseOrt' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\HandauftragserfassungViewModelRD.cs(79,16,79,48): warning CS8618: Non-nullable field 'bemerkung' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\HandauftragserfassungViewModelRD.cs(149,32,149,56): warning CS8622: Nullability of reference types in type of parameter 'sender' of 'void HandauftragserfassungViewModelRD.KundenInfoRequestAuszeit(object sender, EventArgs e)' doesn't match the target delegate 'EventHandler' (possibly because of nullability attributes).
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\HandauftragserfassungViewModelRD.cs(151,32,151,56): warning CS8622: Nullability of reference types in type of parameter 'sender' of 'void HandauftragserfassungViewModelRD.KundenInfoRequestAuszeit(object sender, EventArgs e)' doesn't match the target delegate 'EventHandler' (possibly because of nullability attributes).
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\HandauftragserfassungViewModelRD.cs(177,13,177,19): warning CS0612: 'Device' is obsolete
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\HandauftragserfassungViewModelRD.cs(177,13,179,19): warning CS0618: 'Device.BeginInvokeOnMainThread(Action)' is obsolete: 'Use BindableObject.Dispatcher.Dispatch() instead.'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\HandauftragserfassungViewModelRD.cs(207,27,207,33): warning CS0612: 'Device' is obsolete
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\HandauftragserfassungViewModelRD.cs(207,27,207,147): warning CS0618: 'Device.InvokeOnMainThreadAsync(Func<Task>)' is obsolete: 'Use BindableObject.Dispatcher.DispatchAsync() instead.'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\HandauftragserfassungViewModelRD.cs(187,23,187,48): warning CS8602: Dereference of a possibly null reference.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\HandauftragserfassungViewModelRD.cs(199,155,199,159): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\HandauftragserfassungViewModelRD.cs(211,53,211,57): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\HandauftragserfassungViewModelRD.cs(224,13,224,19): warning CS0612: 'Device' is obsolete
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\HandauftragserfassungViewModelRD.cs(224,13,224,126): warning CS0618: 'Device.BeginInvokeOnMainThread(Action)' is obsolete: 'Use BindableObject.Dispatcher.Dispatch() instead.'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\HandauftragserfassungViewModelRD.cs(221,77,221,102): warning CS8604: Possible null reference argument for parameter 'aufgabeId' in 'void IAnalyticsManager.TrackOrderAufgabeAdded(string aufgabeId)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\HandauftragserfassungViewModelRD.cs(248,26,248,34): warning CS8604: Possible null reference argument for parameter 'source' in 'IEnumerable<Adresse> Enumerable.Where<Adresse>(IEnumerable<Adresse> source, Func<Adresse, bool> predicate)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\HandauftragserfassungViewModelRD.cs(317,51,317,55): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\HandauftragserfassungViewModelRD.cs(318,44,318,95): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\HandauftragserfassungViewModelRD.cs(319,56,319,106): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\HandauftragserfassungViewModelRD.cs(320,56,320,106): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\HandauftragserfassungViewModelRD.cs(321,60,321,107): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\HandauftragserfassungViewModelRD.cs(324,38,324,54): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerData\StammData\StammDataParserBO.cs(452,38,452,80): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerData\StammData\StammDataParserBO.cs(453,37,453,72): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerData\StammData\StammDataParserBO.cs(454,40,454,78): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerData\StammData\StammDataParserBO.cs(455,40,455,91): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerData\StammData\StammDataParserBO.cs(456,36,456,83): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerData\StammData\StammDataParserBO.cs(457,36,457,83): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerData\StammData\StammDataParserBO.cs(460,38,460,80): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerData\StammData\StammDataParserBO.cs(462,41,462,99): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerData\StammData\StammDataParserBO.cs(463,37,463,91): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerData\StammData\StammDataParserBO.cs(464,37,464,91): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\HandauftragserfassungViewModelRD.cs(353,63,353,101): warning CS8604: Possible null reference argument for parameter 'location' in 'Task<IEnumerable<Placemark>> IGeolocationService.GetAdresses(Location location)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\HandauftragserfassungViewModelRD.cs(365,70,365,97): warning CS8602: Dereference of a possibly null reference.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\HandauftragserfassungViewModelRD.cs(367,58,367,85): warning CS8604: Possible null reference argument for parameter 'placemark' in 'Adresse HandauftragserfassungViewModelRD.GetAdressFromPlacemark(Placemark placemark)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerData\StammData\StammDataParserBO.cs(565,35,565,96): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerData\StammData\StammDataParserBO.cs(566,28,566,75): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerData\StammData\StammDataParserBO.cs(567,35,567,97): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerData\StammData\StammDataParserBO.cs(568,35,568,62): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerData\StammData\StammDataParserBO.cs(569,35,569,76): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerData\StammData\StammDataParserBO.cs(570,33,570,73): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerData\StammData\StammDataParserBO.cs(571,34,571,60): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerData\StammData\StammDataParserBO.cs(572,32,572,70): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerData\StammData\StammDataParserBO.cs(573,40,573,86): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerData\StammData\StammDataParserBO.cs(574,38,574,83): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerData\StammData\StammDataParserBO.cs(575,38,575,81): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerData\StammData\StammDataParserBO.cs(576,36,576,78): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerData\StammData\StammDataParserBO.cs(577,29,577,64): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerData\StammData\StammDataParserBO.cs(578,29,578,64): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerData\StammData\StammDataParserBO.cs(579,29,579,64): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerData\StammData\StammDataParserBO.cs(580,31,580,68): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerData\StammData\StammDataParserBO.cs(581,31,581,68): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerData\StammData\StammDataParserBO.cs(582,33,582,84): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerData\StammData\StammDataParserBO.cs(583,40,583,106): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerData\StammData\StammDataParserBO.cs(584,39,584,90): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerData\StammData\StammDataParserBO.cs(585,34,585,81): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerData\StammData\StammDataParserBO.cs(586,36,586,90): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerData\StammData\StammDataParserBO.cs(587,34,587,74): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerData\StammData\StammDataParserBO.cs(602,33,602,67): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerData\StammData\StammDataParserBO.cs(603,38,603,75): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerData\StammData\StammDataParserBO.cs(604,37,604,67): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerData\StammData\StammDataParserBO.cs(605,40,605,73): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerData\StammData\StammDataParserBO.cs(606,38,606,68): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerData\StammData\StammDataParserBO.cs(607,40,607,86): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerData\StammData\StammDataParserBO.cs(608,43,608,92): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerData\StammData\StammDataParserBO.cs(609,36,609,78): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerData\StammData\StammDataParserBO.cs(610,36,610,78): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerData\StammData\StammDataParserBO.cs(611,36,611,64): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerData\StammData\StammDataParserBO.cs(612,33,612,66): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\TouchRoutingEffect.cs(15,46,15,57): warning CS8618: Non-nullable event 'TouchAction' must contain a non-null value when exiting constructor. Consider declaring the event as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\GuiExtensions.cs(26,17,26,28): warning CS8602: Dereference of a possibly null reference.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\GuiExtensions.cs(43,24,43,28): warning CS8603: Possible null reference return.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Res\StrRes\StrResZeitbuchung.cs(12,55,12,98): warning CS8603: Possible null reference return.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Res\StrRes\StrResZeiterfassung.cs(16,41,16,64): warning CS8602: Dereference of a possibly null reference.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\BindingConverters\FallbackValueConverter.cs(15,16,15,38): warning CS8618: Non-nullable property 'FallbackValue' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\BindingConverters\FallbackValueConverter.cs(15,16,15,38): warning CS8618: Non-nullable property 'BindingContext' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\BindingConverters\FallbackValueConverter.cs(15,16,15,38): warning CS8618: Non-nullable property 'BindingPath' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\BindingConverters\FallbackValueConverter.cs(16,16,16,38): warning CS8618: Non-nullable property 'BindingContext' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\BindingConverters\FallbackValueConverter.cs(16,16,16,38): warning CS8618: Non-nullable property 'BindingPath' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerData\StammData\StammDataParserBO.cs(33,62,33,69): warning CS8714: The type 'string?' cannot be used as type parameter 'TKey' in the generic type or method 'Dictionary<TKey, TValue>'. Nullability of type argument 'string?' doesn't match 'notnull' constraint.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerData\StammData\StammDataParserBO.cs(141,53,141,127): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerData\StammData\StammDataParserBO.cs(154,25,154,29): warning CS0219: The variable 'todo' is assigned but its value is never used
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\BindingConverters\FallbackValueConverter.cs(34,45,34,94): warning CS8600: Converting null literal or possible null value to non-nullable type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\BindingConverters\FallbackValueConverter.cs(37,32,37,65): warning CS8603: Possible null reference return.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\BindingConverters\FallbackValueConverter.cs(40,24,40,37): warning CS8603: Possible null reference return.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerData\StammData\StammDataBO.cs(769,23,769,31): warning CS8618: Non-nullable property 'Id' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerData\StammData\StammDataBO.cs(769,23,769,31): warning CS8618: Non-nullable property 'AufgabeBuchungsId' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerData\StammData\StammDataBO.cs(769,23,769,31): warning CS8618: Non-nullable property 'Adresse_Name1' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerData\StammData\StammDataBO.cs(769,23,769,31): warning CS8618: Non-nullable property 'Adresse_Name2' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerData\StammData\StammDataBO.cs(769,23,769,31): warning CS8618: Non-nullable property 'Adresse_Name3' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerData\StammData\StammDataBO.cs(769,23,769,31): warning CS8618: Non-nullable property 'Adresse_Emailadresse' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerData\StammData\StammDataBO.cs(769,23,769,31): warning CS8618: Non-nullable property 'Adresse_Hausanschrift_Plz' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerData\StammData\StammDataBO.cs(769,23,769,31): warning CS8618: Non-nullable property 'Adresse_Hausanschrift_Ort' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerData\StammData\StammDataBO.cs(769,23,769,31): warning CS8618: Non-nullable property 'Adresse_Hausanschrift_Strasse' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerData\StammData\StammDataBO.cs(769,23,769,31): warning CS8618: Non-nullable property 'Adresse_Hausanschrift_Hausnummer' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerData\StammData\StammDataBO.cs(769,23,769,31): warning CS8618: Non-nullable property 'Adresse_Hausanschrift_Anschriftenzusatz' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerData\StammData\StammDataBO.cs(769,23,769,31): warning CS8618: Non-nullable property 'Adresse_Fax' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerData\StammData\StammDataBO.cs(769,23,769,31): warning CS8618: Non-nullable property 'Adresse_Festnetz' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerData\StammData\StammDataBO.cs(769,23,769,31): warning CS8618: Non-nullable property 'Adresse_Mobil' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerData\StammData\StammDataBO.cs(769,23,769,31): warning CS8618: Non-nullable property 'Termin_Id' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerData\StammData\StammDataBO.cs(769,23,769,31): warning CS8618: Non-nullable property 'Termin_Bemerkung' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerData\StammData\StammDataBO.cs(769,23,769,31): warning CS8618: Non-nullable property 'Termin_Status' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerData\StammData\StammDataBO.cs(769,23,769,31): warning CS8618: Non-nullable property 'Termin_Farbe' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerData\StammData\StammDataBO.cs(776,28,776,32): warning CS8603: Possible null reference return.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerData\StammData\StammDataBO.cs(695,23,695,30): warning CS8618: Non-nullable property 'Id' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerData\StammData\StammDataBO.cs(695,23,695,30): warning CS8618: Non-nullable property 'FirmNumber' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerData\StammData\StammDataBO.cs(695,23,695,30): warning CS8618: Non-nullable property 'Bezeichnung' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerData\StammData\StammDataBO.cs(695,23,695,30): warning CS8618: Non-nullable property 'Geschaeftlich_Voipnummer' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerData\StammData\StammDataBO.cs(695,23,695,30): warning CS8618: Non-nullable property 'Geschaeftlich_Homepage' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerData\StammData\StammDataBO.cs(695,23,695,30): warning CS8618: Non-nullable property 'Geschaeftlich_Name1' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerData\StammData\StammDataBO.cs(695,23,695,30): warning CS8618: Non-nullable property 'Geschaeftlich_Name2' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerData\StammData\StammDataBO.cs(695,23,695,30): warning CS8618: Non-nullable property 'Geschaeftlich_Name3' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerData\StammData\StammDataBO.cs(695,23,695,30): warning CS8618: Non-nullable property 'Geschaeftlich_Nummer1' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerData\StammData\StammDataBO.cs(695,23,695,30): warning CS8618: Non-nullable property 'Geschaeftlich_Nummer2' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerData\StammData\StammDataBO.cs(695,23,695,30): warning CS8618: Non-nullable property 'Geschaeftlich_Hausanschrift_Hausnummer' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerData\StammData\StammDataBO.cs(695,23,695,30): warning CS8618: Non-nullable property 'Geschaeftlich_Hausanschrift_Anschriftenzusatz' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerData\StammData\StammDataBO.cs(695,23,695,30): warning CS8618: Non-nullable property 'Geschaeftlich_Hausanschrift_Plz' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerData\StammData\StammDataBO.cs(695,23,695,30): warning CS8618: Non-nullable property 'Geschaeftlich_Hausanschrift_Ort' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerData\StammData\StammDataBO.cs(695,23,695,30): warning CS8618: Non-nullable property 'Geschaeftlich_Hausanschrift_Laenderkennzeichen' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerData\StammData\StammDataBO.cs(695,23,695,30): warning CS8618: Non-nullable property 'Geschaeftlich_Postfachanschrift_Plz' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerData\StammData\StammDataBO.cs(695,23,695,30): warning CS8618: Non-nullable property 'Geschaeftlich_Postfachanschrift_Ort' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerData\StammData\StammDataBO.cs(695,23,695,30): warning CS8618: Non-nullable property 'Geschaeftlich_Postfachanschrift_Laenderkennzeichen' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerData\StammData\StammDataBO.cs(695,23,695,30): warning CS8618: Non-nullable property 'Geschaeftlich_Festnetz_Vorwahl' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerData\StammData\StammDataBO.cs(695,23,695,30): warning CS8618: Non-nullable property 'Geschaeftlich_Festnetz_Nummer' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerData\StammData\StammDataBO.cs(695,23,695,30): warning CS8618: Non-nullable property 'Geschaeftlich_Mobil_Vorwahl' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerData\StammData\StammDataBO.cs(695,23,695,30): warning CS8618: Non-nullable property 'Geschaeftlich_Mobil_Nummer' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerData\StammData\StammDataBO.cs(695,23,695,30): warning CS8618: Non-nullable property 'Geschaeftlich_Fax_Vorwahl' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerData\StammData\StammDataBO.cs(695,23,695,30): warning CS8618: Non-nullable property 'Geschaeftlich_Fax_Nummer' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\GuiExtensions.cs(51,29,51,38): warning CS8600: Converting null literal or possible null value to non-nullable type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\GuiExtensions.cs(52,21,52,25): warning CS8602: Dereference of a possibly null reference.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\GuiExtensions.cs(69,24,69,28): warning CS8603: Possible null reference return.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\GuiExtensions.cs(77,24,77,25): warning CS8603: Possible null reference return.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\DrawingCanvasController.xaml.cs(25,50,25,75): warning CS8622: Nullability of reference types in type of parameter 'sender' of 'void DrawingCanvasController.Canvas_InteractingChanged(object sender, bool isInteracting)' doesn't match the target delegate 'EventHandler<bool>' (possibly because of nullability attributes).
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\DrawingCanvasController.xaml.cs(26,46,26,67): warning CS8622: Nullability of reference types in type of parameter 'sender' of 'void DrawingCanvasController.Canvas_CanUndoChanged(object sender, bool canUndo)' doesn't match the target delegate 'EventHandler<bool>' (possibly because of nullability attributes).
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\DrawingCanvasController.xaml.cs(27,46,27,67): warning CS8622: Nullability of reference types in type of parameter 'sender' of 'void DrawingCanvasController.Canvas_CanRedoChanged(object sender, bool canRedo)' doesn't match the target delegate 'EventHandler<bool>' (possibly because of nullability attributes).
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\DrawingCanvasController.xaml.cs(32,50,32,75): warning CS8622: Nullability of reference types in type of parameter 'sender' of 'void DrawingCanvasController.Canvas_InteractingChanged(object sender, bool isInteracting)' doesn't match the target delegate 'EventHandler<bool>' (possibly because of nullability attributes).
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\DrawingCanvasController.xaml.cs(33,46,33,67): warning CS8622: Nullability of reference types in type of parameter 'sender' of 'void DrawingCanvasController.Canvas_CanUndoChanged(object sender, bool canUndo)' doesn't match the target delegate 'EventHandler<bool>' (possibly because of nullability attributes).
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\DrawingCanvasController.xaml.cs(34,46,34,67): warning CS8622: Nullability of reference types in type of parameter 'sender' of 'void DrawingCanvasController.Canvas_CanRedoChanged(object sender, bool canRedo)' doesn't match the target delegate 'EventHandler<bool>' (possibly because of nullability attributes).
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\DrawingCanvasController.xaml.cs(71,13,71,19): warning CS0612: 'Device' is obsolete
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\DrawingCanvasController.xaml.cs(71,13,82,15): warning CS0618: 'Device.BeginInvokeOnMainThread(Action)' is obsolete: 'Use BindableObject.Dispatcher.Dispatch() instead.'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\DrawingCanvasController.xaml.cs(87,16,87,39): warning CS8618: Non-nullable field 'canvas' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\DrawingCanvas.xaml.cs(558,24,558,29): warning CS8618: Non-nullable property 'Paint' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\DrawingCanvas.xaml.cs(52,45,52,49): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\DrawingCanvas.xaml.cs(68,34,68,53): warning CS8622: Nullability of reference types in type of parameter 'sender' of 'void DrawingCanvas.canvas_PaintSurface(object sender, SKPaintSurfaceEventArgs e)' doesn't match the target delegate 'EventHandler<SKPaintSurfaceEventArgs>' (possibly because of nullability attributes).
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\DrawingCanvas.xaml.cs(61,16,61,29): warning CS8618: Non-nullable field 'bgImage' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\DrawingCanvas.xaml.cs(61,16,61,29): warning CS8618: Non-nullable field 'canvasSnap' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\DrawingCanvas.xaml.cs(61,16,61,29): warning CS8618: Non-nullable event 'InteractingChanged' must contain a non-null value when exiting constructor. Consider declaring the event as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\DrawingCanvas.xaml.cs(61,16,61,29): warning CS8618: Non-nullable event 'CanUndoChanged' must contain a non-null value when exiting constructor. Consider declaring the event as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\DrawingCanvas.xaml.cs(61,16,61,29): warning CS8618: Non-nullable event 'CanRedoChanged' must contain a non-null value when exiting constructor. Consider declaring the event as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\DrawingCanvas.xaml.cs(128,17,128,23): warning CS0612: 'Device' is obsolete
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\DrawingCanvas.xaml.cs(128,17,128,79): warning CS0618: 'Device.BeginInvokeOnMainThread(Action)' is obsolete: 'Use BindableObject.Dispatcher.Dispatch() instead.'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\DrawingCanvas.xaml.cs(138,17,138,23): warning CS0612: 'Device' is obsolete
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\DrawingCanvas.xaml.cs(138,17,138,79): warning CS0618: 'Device.BeginInvokeOnMainThread(Action)' is obsolete: 'Use BindableObject.Dispatcher.Dispatch() instead.'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\DrawingCanvas.xaml.cs(125,30,125,34): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\DrawingCanvas.xaml.cs(139,24,139,34): warning CS8603: Possible null reference return.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\DrawingCanvas.xaml.cs(143,24,143,28): warning CS8603: Possible null reference return.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\DrawingCanvas.xaml.cs(141,30,141,33): warning CS0168: The variable 'exc' is declared but never used
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerData\StammData\StammDataBO.cs(703,28,703,32): warning CS8603: Possible null reference return.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerData\StammData\StammDataBO.cs(373,23,373,36): warning CS8618: Non-nullable property 'Id' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerData\StammData\StammDataBO.cs(373,23,373,36): warning CS8618: Non-nullable property 'AufgabeArt' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerData\StammData\StammDataBO.cs(373,23,373,36): warning CS8618: Non-nullable property 'RootId' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerData\StammData\StammDataBO.cs(373,23,373,36): warning CS8618: Non-nullable property 'ParentId' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerData\StammData\StammDataBO.cs(373,23,373,36): warning CS8618: Non-nullable property 'Parentelementid' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerData\StammData\StammDataBO.cs(373,23,373,36): warning CS8618: Non-nullable property 'AufgabeBuchungsId' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerData\StammData\StammDataBO.cs(373,23,373,36): warning CS8618: Non-nullable property 'Nummer1' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerData\StammData\StammDataBO.cs(373,23,373,36): warning CS8618: Non-nullable property 'Bezeichnung' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerData\StammData\StammDataBO.cs(373,23,373,36): warning CS8618: Non-nullable property 'Notiz' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerData\StammData\StammDataBO.cs(373,23,373,36): warning CS8618: Non-nullable property 'Abteilung1' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerData\StammData\StammDataBO.cs(373,23,373,36): warning CS8618: Non-nullable property 'Abteilung2' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerData\StammData\StammDataBO.cs(373,23,373,36): warning CS8618: Non-nullable property 'Bemerkung' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerData\StammData\StammDataBO.cs(373,23,373,36): warning CS8618: Non-nullable property 'ArtikelMengeneinheit' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerData\StammData\StammDataBO.cs(373,23,373,36): warning CS8618: Non-nullable property 'Artikelnummer' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerData\StammData\StammDataBO.cs(373,23,373,36): warning CS8618: Non-nullable property 'Artikelkatalog' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerData\StammData\StammDataBO.cs(373,23,373,36): warning CS8618: Non-nullable property 'Adresse_Name1' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerData\StammData\StammDataBO.cs(373,23,373,36): warning CS8618: Non-nullable property 'Adresse_Name2' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerData\StammData\StammDataBO.cs(373,23,373,36): warning CS8618: Non-nullable property 'Adresse_Name3' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerData\StammData\StammDataBO.cs(373,23,373,36): warning CS8618: Non-nullable property 'Adresse_Emailadresse' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerData\StammData\StammDataBO.cs(373,23,373,36): warning CS8618: Non-nullable property 'Adresse_Hausanschrift_Plz' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerData\StammData\StammDataBO.cs(373,23,373,36): warning CS8618: Non-nullable property 'Adresse_Hausanschrift_Ort' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerData\StammData\StammDataBO.cs(373,23,373,36): warning CS8618: Non-nullable property 'Adresse_Hausanschrift_Strasse' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerData\StammData\StammDataBO.cs(373,23,373,36): warning CS8618: Non-nullable property 'Adresse_Hausanschrift_Hausnummer' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerData\StammData\StammDataBO.cs(373,23,373,36): warning CS8618: Non-nullable property 'Adresse_Hausanschrift_Anschriftenzusatz' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerData\StammData\StammDataBO.cs(373,23,373,36): warning CS8618: Non-nullable property 'Adresse_Fax' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerData\StammData\StammDataBO.cs(373,23,373,36): warning CS8618: Non-nullable property 'Adresse_Festnetz' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerData\StammData\StammDataBO.cs(373,23,373,36): warning CS8618: Non-nullable property 'Adresse_Mobil' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerData\StammData\StammDataBO.cs(373,23,373,36): warning CS8618: Non-nullable property 'Kommunikation1_Name1' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerData\StammData\StammDataBO.cs(373,23,373,36): warning CS8618: Non-nullable property 'Kommunikation1_Name2' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerData\StammData\StammDataBO.cs(373,23,373,36): warning CS8618: Non-nullable property 'Kommunikation1_Name3' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerData\StammData\StammDataBO.cs(373,23,373,36): warning CS8618: Non-nullable property 'Kommunikation1_Hausanschrift_Hausnummer' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerData\StammData\StammDataBO.cs(373,23,373,36): warning CS8618: Non-nullable property 'Kommunikation1_Hausanschrift_Anschriftenzusatz' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerData\StammData\StammDataBO.cs(373,23,373,36): warning CS8618: Non-nullable property 'Kommunikation1_Nummer1' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerData\StammData\StammDataBO.cs(373,23,373,36): warning CS8618: Non-nullable property 'Kommunikation1_Nummer2' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerData\StammData\StammDataBO.cs(373,23,373,36): warning CS8618: Non-nullable property 'Kommunikation1_Fax' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerData\StammData\StammDataBO.cs(373,23,373,36): warning CS8618: Non-nullable property 'Kommunikation1_Mobil' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerData\StammData\StammDataBO.cs(373,23,373,36): warning CS8618: Non-nullable property 'Kommunikation1_Hausanschrift_Plz' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerData\StammData\StammDataBO.cs(373,23,373,36): warning CS8618: Non-nullable property 'Kommunikation1_Hausanschrift_Ort' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerData\StammData\StammDataBO.cs(373,23,373,36): warning CS8618: Non-nullable property 'Kommunikation1_Hausanschrift_Strasse' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerData\StammData\StammDataBO.cs(373,23,373,36): warning CS8618: Non-nullable property 'Kommunikation1_Festnetz' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerData\StammData\StammDataBO.cs(373,23,373,36): warning CS8618: Non-nullable property 'Kommunikation1_Emailadresse' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerData\StammData\StammDataBO.cs(373,23,373,36): warning CS8618: Non-nullable property 'Kommunikation2_Name1' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerData\StammData\StammDataBO.cs(373,23,373,36): warning CS8618: Non-nullable property 'Kommunikation2_Name2' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerData\StammData\StammDataBO.cs(373,23,373,36): warning CS8618: Non-nullable property 'Kommunikation2_Name3' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerData\StammData\StammDataBO.cs(373,23,373,36): warning CS8618: Non-nullable property 'Kommunikation2_Hausanschrift_Hausnummer' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerData\StammData\StammDataBO.cs(373,23,373,36): warning CS8618: Non-nullable property 'Kommunikation2_Hausanschrift_Anschriftenzusatz' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerData\StammData\StammDataBO.cs(373,23,373,36): warning CS8618: Non-nullable property 'Kommunikation2_Nummer1' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerData\StammData\StammDataBO.cs(373,23,373,36): warning CS8618: Non-nullable property 'Kommunikation2_Nummer2' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerData\StammData\StammDataBO.cs(373,23,373,36): warning CS8618: Non-nullable property 'Kommunikation2_Fax' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerData\StammData\StammDataBO.cs(373,23,373,36): warning CS8618: Non-nullable property 'Kommunikation2_Mobil' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerData\StammData\StammDataBO.cs(373,23,373,36): warning CS8618: Non-nullable property 'Kommunikation2_Hausanschrift_Plz' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerData\StammData\StammDataBO.cs(373,23,373,36): warning CS8618: Non-nullable property 'Kommunikation2_Hausanschrift_Ort' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerData\StammData\StammDataBO.cs(373,23,373,36): warning CS8618: Non-nullable property 'Kommunikation2_Hausanschrift_Strasse' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerData\StammData\StammDataBO.cs(373,23,373,36): warning CS8618: Non-nullable property 'Kommunikation2_Festnetz' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerData\StammData\StammDataBO.cs(373,23,373,36): warning CS8618: Non-nullable property 'Kommunikation2_Emailadresse' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerData\StammData\StammDataBO.cs(373,23,373,36): warning CS8618: Non-nullable property 'Termin_Farbe' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerData\StammData\StammDataBO.cs(373,23,373,36): warning CS8618: Non-nullable property 'Dokumente' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerData\StammData\StammDataBO.cs(380,28,380,32): warning CS8603: Possible null reference return.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerData\StammData\StammDataBO.cs(159,21,159,39): warning CS8618: Non-nullable property 'BerichtNichtAusgewieseneTaetigkeiten' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerData\StammData\StammDataBO.cs(159,21,159,39): warning CS8618: Non-nullable property 'BerichtNichtAusgewieseneZeitarten' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerData\StammData\StammDataBO.cs(159,21,159,39): warning CS8618: Non-nullable property 'PausenBerechnungJSON' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerData\StammData\StammDataBO.cs(159,21,159,39): warning CS8618: Non-nullable property 'VorgangsBerechnungJSON' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Database\Database.cs(174,30,174,31): warning CS0168: The variable 'e' is declared but never used
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ImageDownloadManager\ImageDownloadManager.cs(23,20,23,42): warning CS8603: Possible null reference return.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ImageDownloadManager\ImageDownloadManager.cs(57,40,57,50): warning CS8604: Possible null reference argument for parameter 'obj' in 'void Action<byte[]>.Invoke(byte[] obj)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerData\ServerDataParserBO.cs(159,29,159,31): warning CS8618: Non-nullable property 'Id' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerData\ServerDataParserBO.cs(160,29,160,37): warning CS8618: Non-nullable property 'TypeName' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerData\ServerDataParserBO.cs(162,29,162,39): warning CS8618: Non-nullable property 'JobjString' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerData\ServerDataParserBO.cs(152,29,152,36): warning CS8618: Non-nullable property 'ErrorId' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerData\ServerDataParserBO.cs(154,29,154,38): warning CS8618: Non-nullable property 'ErrorText' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerData\ServerDataParserBO.cs(145,46,145,67): warning CS8618: Non-nullable property 'ListMobileChangeError' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerData\ServerDataParserBO.cs(146,35,146,55): warning CS8618: Non-nullable property 'ListTableNameToClear' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerData\ServerDataParserBO.cs(147,41,147,57): warning CS8618: Non-nullable property 'ListMobileObject' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerData\ServerDataParserBO.cs(138,32,138,41): warning CS8618: Non-nullable property 'StammData' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerData\ServerDataParserBO.cs(16,24,16,28): warning CS8603: Possible null reference return.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerData\ServerDataParserBO.cs(22,24,22,28): warning CS8603: Possible null reference return.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerData\ServerDataParserBO.cs(26,24,26,28): warning CS8603: Possible null reference return.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerData\ServerDataParserBO.cs(49,20,49,24): warning CS8603: Possible null reference return.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\CustomHyperlinkLabel.cs(30,16,30,36): warning CS8618: Non-nullable property 'FormattedStringValue' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\ExtendedFunctions\ThirdPartyViewModel.cs(16,16,16,35): warning CS8618: Non-nullable field 'thirdPartyInfoText' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Home\AHomePage.cs(11,95,11,99): warning CS8603: Possible null reference return.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\CustomHyperlinkLabel.cs(141,33,141,206): warning CS4014: Because this call is not awaited, execution of the current method continues before the call is completed. Consider applying the 'await' operator to the result of the call.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\CustomHyperlinkLabel.cs(163,33,163,133): warning CS4014: Because this call is not awaited, execution of the current method continues before the call is completed. Consider applying the 'await' operator to the result of the call.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\CustomHyperlinkLabel.cs(193,33,193,223): warning CS4014: Because this call is not awaited, execution of the current method continues before the call is completed. Consider applying the 'await' operator to the result of the call.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\CheckBox.cs(31,27,31,47): warning CS8600: Converting null literal or possible null value to non-nullable type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\CheckBox.cs(32,13,32,15): warning CS8602: Dereference of a possibly null reference.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\CheckBox.cs(47,27,47,47): warning CS8600: Converting null literal or possible null value to non-nullable type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\CheckBox.cs(48,13,48,15): warning CS8602: Dereference of a possibly null reference.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\CheckBox.cs(67,21,67,27): warning CS0612: 'Device' is obsolete
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\CheckBox.cs(67,21,81,23): warning CS0618: 'Device.BeginInvokeOnMainThread(Action)' is obsolete: 'Use BindableObject.Dispatcher.Dispatch() instead.'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\CheckBox.cs(150,27,150,47): warning CS8600: Converting null literal or possible null value to non-nullable type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\CheckBox.cs(151,13,151,15): warning CS8602: Dereference of a possibly null reference.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerData\ServerDataParserBO.cs(56,24,56,31): warning CS8603: Possible null reference return.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerData\ServerDataParserBO.cs(57,20,57,40): warning CS8603: Possible null reference return.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerData\ServerDataParserBO.cs(65,24,65,28): warning CS8603: Possible null reference return.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerData\ServerDataParserBO.cs(71,24,71,28): warning CS8603: Possible null reference return.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerData\ServerDataParserBO.cs(87,33,87,42): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Home\Easy\HomeEasyGroupPageRootView.cs(32,120,32,187): warning CS8619: Nullability of reference types in value of type 'List<string?>' doesn't match target type 'List<string>'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerData\ServerDataParserBO.cs(98,24,98,28): warning CS8603: Possible null reference return.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerData\ServerDataParserBO.cs(104,24,104,28): warning CS8603: Possible null reference return.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Home\Easy\HomeEasySoloContentView.xaml.cs(36,114,36,120): warning CS0612: 'Device' is obsolete
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Home\Easy\HomeEasySoloContentView.xaml.cs(36,114,36,188): warning CS0618: 'Device.InvokeOnMainThreadAsync(Func<Task>)' is obsolete: 'Use BindableObject.Dispatcher.DispatchAsync() instead.'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Home\Easy\HomeEasySoloContentView.xaml.cs(36,114,36,188): warning CS4014: Because this call is not awaited, execution of the current method continues before the call is completed. Consider applying the 'await' operator to the result of the call.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Home\Easy\HomeEasySoloContentView.xaml.cs(36,202,36,208): warning CS0612: 'Device' is obsolete
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Home\Easy\HomeEasySoloContentView.xaml.cs(36,202,36,275): warning CS0618: 'Device.InvokeOnMainThreadAsync(Func<Task>)' is obsolete: 'Use BindableObject.Dispatcher.DispatchAsync() instead.'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Home\Easy\HomeEasySoloContentView.xaml.cs(36,202,36,275): warning CS4014: Because this call is not awaited, execution of the current method continues before the call is completed. Consider applying the 'await' operator to the result of the call.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Home\Easy\HomeEasySoloContentView.xaml.cs(36,111,36,113): warning CS1998: This async method lacks 'await' operators and will run synchronously. Consider using the 'await' operator to await non-blocking API calls, or 'await Task.Run(...)' to do CPU-bound work on a background thread.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Home\Easy\HomeEasySoloContentView.xaml.cs(36,199,36,201): warning CS1998: This async method lacks 'await' operators and will run synchronously. Consider using the 'await' operator to await non-blocking API calls, or 'await Task.Run(...)' to do CPU-bound work on a background thread.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Home\Easy\HomeEasySoloContentView.xaml.cs(83,50,83,87): warning CS8603: Possible null reference return.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Home\AHomePage.cs(18,19,18,78): warning CS8602: Dereference of a possibly null reference.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\DataSyncManager.cs(88,37,88,41): warning CS8600: Converting null literal or possible null value to non-nullable type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\DataSyncManager.cs(93,86,93,90): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Home\Easy\HomeEasySoloPageRootView.cs(37,40,37,67): warning CS0618: 'LayoutOptions.FillAndExpand' is obsolete: 'The StackLayout expansion options are deprecated; please use a Grid instead.'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Home\Easy\HomeEasySoloPageRootView.cs(19,29,19,52): warning CS8602: Dereference of a possibly null reference.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Home\Easy\HomeEasySoloPageRootView.cs(37,17,37,21): warning CS8602: Dereference of a possibly null reference.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Home\Easy\HomeEasySoloPageRootView.cs(17,18,17,42): warning CS8618: Non-nullable field 'homeEasySoloContentView' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Home\Easy\HomeEasySoloPageRootView.cs(17,18,17,42): warning CS8618: Non-nullable field 'nacherfassungsListe' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\CardDeck.cs(141,64,141,83): warning CS8602: Dereference of a possibly null reference.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\SecureStorageManager.cs(29,24,29,28): warning CS8603: Possible null reference return.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\SecureStorageManager.cs(30,66,30,85): warning CS8604: Possible null reference argument for parameter 'username' in 'Task<KissAuthData> KissAuthDataHelper.GetKissAuthDataAsync(string username, string accountId, int? firmId)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\SecureStorageManager.cs(30,87,30,107): warning CS8604: Possible null reference argument for parameter 'accountId' in 'Task<KissAuthData> KissAuthDataHelper.GetKissAuthDataAsync(string username, string accountId, int? firmId)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\CardDeck.cs(169,37,169,64): warning CS0618: 'LayoutOptions.FillAndExpand' is obsolete: 'The StackLayout expansion options are deprecated; please use a Grid instead.'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\CardDeck.cs(117,93,117,112): warning CS8602: Dereference of a possibly null reference.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\CardDeck.cs(120,37,120,57): warning CS8600: Converting null literal or possible null value to non-nullable type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\CardDeck.cs(47,16,47,20): warning CS8618: Non-nullable event 'Refreshed' must contain a non-null value when exiting constructor. Consider declaring the event as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\CardDeck.cs(63,16,63,20): warning CS8618: Non-nullable event 'Refreshed' must contain a non-null value when exiting constructor. Consider declaring the event as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\CardDeck.cs(86,13,86,19): warning CS0612: 'Device' is obsolete
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\CardDeck.cs(91,41,91,70): warning CS0618: 'LayoutOptions.CenterAndExpand' is obsolete: 'The StackLayout expansion options are deprecated; please use a Grid instead.'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\CardDeck.cs(86,13,100,15): warning CS0618: 'Device.BeginInvokeOnMainThread(Action)' is obsolete: 'Use BindableObject.Dispatcher.Dispatch() instead.'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\SecureStorageManager.cs(96,28,96,32): warning CS8603: Possible null reference return.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\SecureStorageManager.cs(100,28,100,32): warning CS8603: Possible null reference return.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\SecureStorageManager.cs(102,73,102,77): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\SecureStorageManager.cs(104,28,104,32): warning CS8603: Possible null reference return.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\SecureStorageManager.cs(107,24,107,36): warning CS8603: Possible null reference return.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\SecureStorageManager.cs(57,69,57,73): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\SecureStorageManager.cs(58,82,58,86): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\SecureStorageManager.cs(59,72,59,76): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\SecureStorageManager.cs(61,68,61,72): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\PrefManager.cs(49,39,49,64): warning CS8604: Possible null reference argument for parameter 'username' in 'string PrefManager.CreatePrefKey(string key, string username, string konto, int? firma)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\PrefManager.cs(49,66,49,88): warning CS8604: Possible null reference argument for parameter 'konto' in 'string PrefManager.CreatePrefKey(string key, string username, string konto, int? firma)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\PrefManager.cs(14,36,14,51): warning CS8618: Non-nullable property 'PrefKeyDataUser' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\PrefManager.cs(452,54,452,58): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\PrefManager.cs(392,92,392,96): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\PrefManager.cs(396,24,396,80): warning CS8603: Possible null reference return.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\PrefManager.cs(360,89,360,93): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\PrefManager.cs(364,24,364,80): warning CS8603: Possible null reference return.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Home\Easy\HomeEasySoloContentView.xaml.cs(151,32,151,46): warning CS8602: Dereference of a possibly null reference.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Home\Easy\HomeEasySoloContentView.xaml.cs(160,169,160,192): warning CS8602: Dereference of a possibly null reference.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Home\Easy\HomeEasySoloContentView.xaml.cs(160,169,160,208): warning CS8604: Possible null reference argument for parameter 'item' in 'void List<string>.Add(string item)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Home\Easy\HomeEasySoloContentView.xaml.cs(165,119,165,142): warning CS8602: Dereference of a possibly null reference.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Home\Easy\HomeEasySoloContentView.xaml.cs(165,119,165,158): warning CS8604: Possible null reference argument for parameter 'personalId' in 'Task Helper.EndAufgabeOrArbeitCmd(string personalId, Func<Task> onBookedFunc)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Home\Easy\HomeEasySoloContentView.xaml.cs(166,103,166,126): warning CS8602: Dereference of a possibly null reference.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Home\Easy\HomeEasySoloContentView.xaml.cs(166,103,166,142): warning CS8604: Possible null reference argument for parameter 'personalId' in 'Task Helper.BookFeierabend(string personalId, Func<Task> onBookedFunc)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Home\Easy\HomeEasySoloContentView.xaml.cs(176,114,176,124): warning CS8604: Possible null reference argument for parameter 'aufgabeParentId' in 'Task<List<ArbeitspaketOverviewData>> DbArbeitspaketOverviewData.GetListAllOrderByBezeichnungAscAsync(string aufgabeParentId)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Home\Easy\HomeEasySoloContentView.xaml.cs(180,67,180,71): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Home\Easy\HomeEasySoloContentView.xaml.cs(183,52,183,56): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Home\Easy\HomeEasySoloContentView.xaml.cs(185,61,185,65): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Home\Easy\HomeEasySoloContentView.xaml.cs(189,199,189,203): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Home\Easy\HomeEasySoloContentView.xaml.cs(193,90,193,113): warning CS8602: Dereference of a possibly null reference.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Home\Easy\HomeEasySoloContentView.xaml.cs(198,138,198,162): warning CS8604: Possible null reference argument for parameter 'arbeitspaketOverviewSelected' in 'Task selectArbeitspaketAsync(Page pageParent, ArbeitspaketOverviewData arbeitspaketOverviewSelected)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Home\Easy\HomeEasySoloContentView.xaml.cs(241,134,241,156): warning CS8604: Possible null reference argument for parameter 'taetigkeitOverviewDataSelected' in 'Task selectTaetigkeitAsync(Page pageParent, TaetigkeitOverviewData taetigkeitOverviewDataSelected)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Home\Easy\HomeEasySoloContentView.xaml.cs(294,112,294,126): warning CS8602: Dereference of a possibly null reference.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Home\Easy\HomeEasySoloContentView.xaml.cs(202,20,202,36): warning CS8602: Dereference of a possibly null reference.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Home\Easy\HomeEasySoloContentView.xaml.cs(232,51,232,92): warning CS8603: Possible null reference return.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Home\Easy\HomeEasySoloContentView.xaml.cs(236,48,236,61): warning CS8604: Possible null reference argument for parameter 'arbeitspaketOverviewData' in 'void HomeEasySoloViewModel.UpdateArbeitspaketOverviewData(ArbeitspaketOverviewData arbeitspaketOverviewData)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Home\Easy\HomeEasySoloContentView.xaml.cs(237,57,237,61): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Home\Easy\HomeEasySoloContentView.xaml.cs(272,46,272,62): warning CS8604: Possible null reference argument for parameter 'taetigkeitOverviewData' in 'void HomeEasySoloViewModel.UpdateTaetigkeitOverviewData(TaetigkeitOverviewData taetigkeitOverviewData)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Home\Easy\HomeEasySoloContentView.xaml.cs(277,117,277,136): warning CS8602: Dereference of a possibly null reference.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Home\Easy\HomeEasySoloContentView.xaml.cs(279,183,279,187): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Home\Easy\HomeEasySoloContentView.xaml.cs(281,84,281,101): warning CS8604: Possible null reference argument for parameter 'aufgabeBuchungsId' in 'Task AufgabenEchtzeit.BookBeginSingle(string aufgabeBuchungsId, TaetigkeitOverviewData taetigkeitOverviewData, string bemerkung)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Home\Easy\HomeEasySoloContentView.xaml.cs(281,121,281,125): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Home\Easy\HomeEasySoloContentView.xaml.cs(279,121,279,125): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Home\Easy\HomeEasySoloContentView.xaml.cs(146,16,146,37): warning CS8618: Non-nullable field 'userDisplayText' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Home\Easy\HomeEasySoloContentView.xaml.cs(146,16,146,37): warning CS8618: Non-nullable field 'userStatusText' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Home\Easy\HomeEasySoloContentView.xaml.cs(146,16,146,37): warning CS8618: Non-nullable field 'userStateColor' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Home\Easy\HomeEasySoloContentView.xaml.cs(146,16,146,37): warning CS8618: Non-nullable field 'userStateBackgroundColor' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Home\Easy\HomeEasySoloContentView.xaml.cs(146,16,146,37): warning CS8618: Non-nullable field 'userStateImg' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Home\Easy\HomeEasySoloContentView.xaml.cs(146,16,146,37): warning CS8618: Non-nullable field 'errorDisplayText' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Home\Easy\HomeEasySoloContentView.xaml.cs(146,16,146,37): warning CS8618: Non-nullable field 'entryTextNote' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Home\Easy\HomeEasySoloContentView.xaml.cs(146,16,146,37): warning CS8618: Non-nullable field 'allArbeitspakete' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Home\Easy\HomeEasySoloContentView.xaml.cs(146,16,146,37): warning CS8618: Non-nullable property 'AufgabeOverviewData' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Home\Easy\HomeEasySoloContentView.xaml.cs(146,16,146,37): warning CS8618: Non-nullable property 'ArbeitspaketOverviewData' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Home\Easy\HomeEasySoloContentView.xaml.cs(146,16,146,37): warning CS8618: Non-nullable property 'TaetigkeitOverviewData' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Home\Easy\HomeEasySoloContentView.xaml.cs(306,102,306,125): warning CS8604: Possible null reference argument for parameter 'aufgabeParentId' in 'Task<List<ArbeitspaketOverviewData>> DbArbeitspaketOverviewData.GetListAllOrderByPrefManagerAscAsync(string aufgabeParentId)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\PrefManager.cs(260,54,260,58): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Home\Easy\HomeEasySoloContentView.xaml.cs(311,108,311,131): warning CS8602: Dereference of a possibly null reference.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Home\Easy\HomeEasySoloContentView.xaml.cs(390,46,390,69): warning CS8602: Dereference of a possibly null reference.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Home\Easy\HomeEasySoloContentView.xaml.cs(398,53,398,90): warning CS8602: Dereference of a possibly null reference.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Home\Easy\HomeEasySoloContentView.xaml.cs(399,58,399,100): warning CS8602: Dereference of a possibly null reference.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Home\Easy\HomeEasySoloContentView.xaml.cs(400,56,400,96): warning CS8602: Dereference of a possibly null reference.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Home\Easy\HomeEasySoloContentView.xaml.cs(417,52,417,76): warning CS8604: Possible null reference argument for parameter 'arbeitspaketOverviewData' in 'void HomeEasySoloViewModel.UpdateArbeitspaketOverviewData(ArbeitspaketOverviewData arbeitspaketOverviewData)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Home\Easy\HomeEasySoloContentView.xaml.cs(420,37,420,59): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Home\Easy\HomeEasySoloContentView.xaml.cs(440,43,440,47): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Home\Easy\HomeEasySoloContentView.xaml.cs(441,48,441,52): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Home\Easy\HomeEasySoloContentView.xaml.cs(442,46,442,50): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Home\Easy\HomeEasySoloContentView.xaml.cs(444,33,444,37): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\BoolToTwoValuesConverter.cs(12,16,12,40): warning CS8618: Non-nullable property 'ValueTrue' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\BoolToTwoValuesConverter.cs(12,16,12,40): warning CS8618: Non-nullable property 'ValueFalse' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\BoolToTwoValuesConverter.cs(23,24,23,50): warning CS8603: Possible null reference return.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Home\HomeServicePage.cs(30,40,30,54): warning CS8602: Dereference of a possibly null reference.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Home\HomeServicePage.cs(27,22,27,34): warning CS8618: Non-nullable field 'berichteOpenBadge' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Home\HomeServicePage.cs(27,22,27,34): warning CS8618: Non-nullable field 'titleBarItems' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\BoolNotConverter.cs(14,25,14,28): warning CS8629: Nullable value type may be null.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\BoolNotConverter.cs(24,25,24,28): warning CS8629: Nullable value type may be null.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\ForceLocationPopupPage.xaml.cs(47,17,47,23): warning CS0612: 'Device' is obsolete
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\ForceLocationPopupPage.xaml.cs(47,17,49,44): warning CS0618: 'Device.BeginInvokeOnMainThread(Action)' is obsolete: 'Use BindableObject.Dispatcher.Dispatch() instead.'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\ForceLocationPopupPage.xaml.cs(44,21,44,51): warning CS8602: Dereference of a possibly null reference.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\ForceLocationPopupPage.xaml.cs(44,62,44,66): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\ForceLocationPopupPage.xaml.cs(50,25,50,55): warning CS8602: Dereference of a possibly null reference.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\ForceLocationPopupPage.xaml.cs(53,41,53,65): warning CS8622: Nullability of reference types in type of parameter 'sender' of 'void ForceLocationPopupPage.EntBemerkung_TextChanged(object sender, TextChangedEventArgs e)' doesn't match the target delegate 'EventHandler<TextChangedEventArgs>' (possibly because of nullability attributes).
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\ForceLocationPopupPage.xaml.cs(91,21,91,27): warning CS0612: 'Device' is obsolete
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\ForceLocationPopupPage.xaml.cs(91,21,97,23): warning CS0618: 'Device.BeginInvokeOnMainThread(Action)' is obsolete: 'Use BindableObject.Dispatcher.Dispatch() instead.'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\ForceLocationPopupPage.xaml.cs(191,54,191,58): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\StundenzettelViewRD.xaml.cs(18,29,18,35): warning CS0612: 'Device' is obsolete
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\StundenzettelViewRD.xaml.cs(18,29,18,92): warning CS0618: 'Device.InvokeOnMainThreadAsync(Func<Task>)' is obsolete: 'Use BindableObject.Dispatcher.DispatchAsync() instead.'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\StundenzettelViewRD.xaml.cs(18,29,18,92): warning CS4014: Because this call is not awaited, execution of the current method continues before the call is completed. Consider applying the 'await' operator to the result of the call.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\StundenzettelViewRD.xaml.cs(19,29,19,35): warning CS0612: 'Device' is obsolete
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\StundenzettelViewRD.xaml.cs(19,29,19,91): warning CS0618: 'Device.InvokeOnMainThreadAsync(Func<Task>)' is obsolete: 'Use BindableObject.Dispatcher.DispatchAsync() instead.'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\StundenzettelViewRD.xaml.cs(19,29,19,91): warning CS4014: Because this call is not awaited, execution of the current method continues before the call is completed. Consider applying the 'await' operator to the result of the call.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\StundenzettelViewRD.xaml.cs(18,26,18,28): warning CS1998: This async method lacks 'await' operators and will run synchronously. Consider using the 'await' operator to await non-blocking API calls, or 'await Task.Run(...)' to do CPU-bound work on a background thread.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\StundenzettelViewRD.xaml.cs(19,26,19,28): warning CS1998: This async method lacks 'await' operators and will run synchronously. Consider using the 'await' operator to await non-blocking API calls, or 'await Task.Run(...)' to do CPU-bound work on a background thread.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\Android\Tasky\TaskRunnerService.cs(18,31,18,44): warning CS8618: Non-nullable field '_localization' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\Android\Tasky\TaskRunnerService.cs(20,24,20,31): warning CS8618: Non-nullable field 'message' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\Android\Tasky\TaskRunnerService.cs(21,24,21,29): warning CS8618: Non-nullable field 'title' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\PrefManager.cs(199,28,199,32): warning CS8603: Possible null reference return.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\PrefManager.cs(201,28,201,32): warning CS8603: Possible null reference return.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\PrefManager.cs(203,28,203,32): warning CS8603: Possible null reference return.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\PrefManager.cs(231,28,231,32): warning CS8603: Possible null reference return.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\PrefManager.cs(233,28,233,32): warning CS8603: Possible null reference return.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\PrefManager.cs(235,28,235,32): warning CS8603: Possible null reference return.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\PrefManager.cs(191,64,191,68): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\PrefManager.cs(194,67,194,71): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\PrefManager.cs(143,21,143,39): warning CS8073: The result of the expression is always 'false' since a value of type 'DateTime' is never equal to 'null' of type 'DateTime?'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\PrefManager.cs(128,69,128,73): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Home\HomeTilePage.cs(52,35,52,62): warning CS0618: 'LayoutOptions.FillAndExpand' is obsolete: 'The StackLayout expansion options are deprecated; please use a Grid instead.'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Home\HomeTilePage.cs(58,39,58,66): warning CS0618: 'LayoutOptions.FillAndExpand' is obsolete: 'The StackLayout expansion options are deprecated; please use a Grid instead.'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Home\HomeTilePage.cs(67,39,67,66): warning CS0618: 'LayoutOptions.FillAndExpand' is obsolete: 'The StackLayout expansion options are deprecated; please use a Grid instead.'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Home\HomeTilePage.cs(71,39,71,66): warning CS0618: 'LayoutOptions.FillAndExpand' is obsolete: 'The StackLayout expansion options are deprecated; please use a Grid instead.'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Home\HomeTilePage.cs(155,118,155,124): warning CS0612: 'Device' is obsolete
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Home\HomeTilePage.cs(155,118,155,192): warning CS0618: 'Device.InvokeOnMainThreadAsync(Func<Task>)' is obsolete: 'Use BindableObject.Dispatcher.DispatchAsync() instead.'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Home\HomeTilePage.cs(155,118,155,192): warning CS4014: Because this call is not awaited, execution of the current method continues before the call is completed. Consider applying the 'await' operator to the result of the call.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Home\HomeTilePage.cs(155,206,155,212): warning CS0612: 'Device' is obsolete
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Home\HomeTilePage.cs(155,206,155,279): warning CS0618: 'Device.InvokeOnMainThreadAsync(Func<Task>)' is obsolete: 'Use BindableObject.Dispatcher.DispatchAsync() instead.'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Home\HomeTilePage.cs(155,206,155,279): warning CS4014: Because this call is not awaited, execution of the current method continues before the call is completed. Consider applying the 'await' operator to the result of the call.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Home\HomeTilePage.cs(90,60,90,64): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Home\HomeTilePage.cs(92,71,92,86): warning CS8604: Possible null reference argument for parameter 'id' in 'Task<AufgabeData?> DbAufgabeData.GetById(string id)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Home\HomeTilePage.cs(93,83,93,90): warning CS8604: Possible null reference argument for parameter 'aufgabe' in 'AufgabeDetailPage.AufgabeDetailPage(AufgabeData aufgabe, TerminData termin)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Home\HomeTilePage.cs(93,92,93,96): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Home\HomeTilePage.cs(99,101,99,105): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Home\HomeTilePage.cs(101,111,101,121): warning CS8604: Possible null reference argument for parameter 'id' in 'Task<AufgabeData?> DbAufgabeData.GetById(string id)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Home\HomeTilePage.cs(101,83,101,122): warning CS8604: Possible null reference argument for parameter 'aufgabe' in 'AufgabeDetailPage.AufgabeDetailPage(AufgabeData aufgabe, TerminData termin)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Home\HomeTilePage.cs(108,21,108,44): warning CS8602: Dereference of a possibly null reference.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Home\HomeTilePage.cs(139,91,139,95): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Home\HomeTilePage.cs(146,93,146,97): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Home\HomeTilePage.cs(163,132,163,136): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Home\HomeTilePage.cs(155,115,155,117): warning CS1998: This async method lacks 'await' operators and will run synchronously. Consider using the 'await' operator to await non-blocking API calls, or 'await Task.Run(...)' to do CPU-bound work on a background thread.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Home\HomeTilePage.cs(155,203,155,205): warning CS1998: This async method lacks 'await' operators and will run synchronously. Consider using the 'await' operator to await non-blocking API calls, or 'await Task.Run(...)' to do CPU-bound work on a background thread.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\PrefManager.cs(91,85,91,89): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\PrefManager.cs(78,29,78,37): warning CS8618: Non-nullable property 'Username' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\PrefManager.cs(79,29,79,34): warning CS8618: Non-nullable property 'Konto' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\PersonalManager\PersonalManager.cs(26,29,26,36): warning CS8602: Dereference of a possibly null reference.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\PersonalManager\PersonalManager.cs(26,29,26,39): warning CS8600: Converting null literal or possible null value to non-nullable type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\PersonalManager\PersonalManager.cs(37,122,37,141): warning CS8604: Possible null reference argument for parameter 'gruppenbuchungId' in 'BuchungData.BuchungData(string personalDataId, BuchungType type, string gruppenbuchungId)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\PersonalManager\PersonalManager.cs(40,37,40,46): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\PersonalManager\PersonalManager.cs(80,29,80,36): warning CS8602: Dereference of a possibly null reference.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\PersonalManager\PersonalManager.cs(80,29,80,39): warning CS8600: Converting null literal or possible null value to non-nullable type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\PersonalManager\PersonalManager.cs(91,122,91,141): warning CS8604: Possible null reference argument for parameter 'gruppenbuchungId' in 'BuchungData.BuchungData(string personalDataId, BuchungType type, string gruppenbuchungId)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\PersonalManager\PersonalManager.cs(94,37,94,46): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Home\HomeServicePage.cs(99,111,99,126): warning CS8604: Possible null reference argument for parameter 'id' in 'Task<AufgabeData?> DbAufgabeData.GetById(string id)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Home\HomeServicePage.cs(99,83,99,127): warning CS8604: Possible null reference argument for parameter 'selectedAufgabeData' in 'VorgangsPage.VorgangsPage(AufgabeData selectedAufgabeData, TerminData termin, bool zeitenShortcut = false)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Home\HomeServicePage.cs(99,129,99,133): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\PersonalManager\PersonalManager.cs(175,34,175,69): warning CS1998: This async method lacks 'await' operators and will run synchronously. Consider using the 'await' operator to await non-blocking API calls, or 'await Task.Run(...)' to do CPU-bound work on a background thread.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Login\LoginConfigPage\LoginConfigPage.cs(32,35,32,62): warning CS0618: 'LayoutOptions.FillAndExpand' is obsolete: 'The StackLayout expansion options are deprecated; please use a Grid instead.'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Login\LoginConfigPage\LoginConfigPage.cs(36,39,36,66): warning CS0618: 'LayoutOptions.FillAndExpand' is obsolete: 'The StackLayout expansion options are deprecated; please use a Grid instead.'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Login\LoginConfigPage\LoginConfigPage.cs(44,39,44,66): warning CS0618: 'LayoutOptions.FillAndExpand' is obsolete: 'The StackLayout expansion options are deprecated; please use a Grid instead.'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Login\LoginConfigPage\LoginConfigPage.cs(89,39,89,66): warning CS0618: 'LayoutOptions.FillAndExpand' is obsolete: 'The StackLayout expansion options are deprecated; please use a Grid instead.'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\PageManager.cs(40,17,40,28): warning CS8618: Non-nullable property 'SideMenuPage' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\StundenzettelViewModelRD.cs(39,19,39,39): warning CS8602: Dereference of a possibly null reference.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\StundenzettelViewModelRD.cs(40,31,40,35): warning CS8600: Converting null literal or possible null value to non-nullable type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\StundenzettelViewModelRD.cs(43,105,43,135): warning CS8604: Possible null reference argument for parameter 'personalId' in 'Task<PDFResponse> MonteurberichtsService.HoleStundenzettel(DateTime von, DateTime bis, bool kompakt, string personalId)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\StundenzettelViewModelRD.cs(60,19,60,41): warning CS8602: Dereference of a possibly null reference.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\AttachmentDependency.cs(77,70,77,91): warning CS8629: Nullable value type may be null.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\AttachmentDependency.cs(132,13,132,28): warning SYSLIB0014: 'WebClient.WebClient()' is obsolete: 'WebRequest, HttpWebRequest, ServicePoint, and WebClient are obsolete. Use HttpClient instead.' (https://aka.ms/dotnet-warnings/SYSLIB0014)
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\AttachmentDependency.cs(130,82,130,103): warning CS8629: Nullable value type may be null.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\PageManager.cs(218,17,218,23): warning CS0612: 'Device' is obsolete
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\PageManager.cs(218,17,218,122): warning CS0618: 'Device.BeginInvokeOnMainThread(Action)' is obsolete: 'Use BindableObject.Dispatcher.Dispatch() instead.'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\PageManager.cs(158,21,158,44): warning CS8602: Dereference of a possibly null reference.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\PageManager.cs(166,49,166,116): warning CS8604: Possible null reference argument for parameter 'personallist' in 'Gruppenmitglied.Gruppenmitglied(PersonalList personallist)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\PageManager.cs(150,57,150,68): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\AttachmentDependency.cs(156,90,156,137): warning CS8602: Dereference of a possibly null reference.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\AttachmentDependency.cs(172,90,172,137): warning CS8602: Dereference of a possibly null reference.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\AttachmentDependency.cs(214,90,214,137): warning CS8602: Dereference of a possibly null reference.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\AttachmentDependency.cs(251,41,251,45): warning CS8600: Converting null literal or possible null value to non-nullable type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\AttachmentDependency.cs(252,36,252,40): warning CS8600: Converting null literal or possible null value to non-nullable type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\AttachmentDependency.cs(280,90,280,137): warning CS8602: Dereference of a possibly null reference.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Login\LoginPage\LoginPage.cs(50,35,50,62): warning CS0618: 'LayoutOptions.FillAndExpand' is obsolete: 'The StackLayout expansion options are deprecated; please use a Grid instead.'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Login\LoginPage\LoginPage.cs(54,39,54,66): warning CS0618: 'LayoutOptions.FillAndExpand' is obsolete: 'The StackLayout expansion options are deprecated; please use a Grid instead.'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Login\LoginPage\LoginPage.cs(60,39,60,66): warning CS0618: 'LayoutOptions.FillAndExpand' is obsolete: 'The StackLayout expansion options are deprecated; please use a Grid instead.'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Login\LoginPage\LoginPage.cs(70,39,70,66): warning CS0618: 'LayoutOptions.FillAndExpand' is obsolete: 'The StackLayout expansion options are deprecated; please use a Grid instead.'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Login\LoginPage\LoginPage.cs(113,41,113,68): warning CS0618: 'LayoutOptions.FillAndExpand' is obsolete: 'The StackLayout expansion options are deprecated; please use a Grid instead.'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Login\LoginPage\LoginPage.cs(119,72,119,78): warning CS0612: 'Device' is obsolete
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Login\LoginPage\LoginPage.cs(119,72,119,175): warning CS0618: 'Device.BeginInvokeOnMainThread(Action)' is obsolete: 'Use BindableObject.Dispatcher.Dispatch() instead.'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Login\LoginPage\LoginPage.cs(66,21,66,63): warning CS8604: Possible null reference argument for parameter 'imgSourceSvg' in 'MatImgViewSvg.MatImgViewSvg(Stream imgSourceSvg, ScaleTo scaleTo = ScaleTo.FitSize, float scaleFactor = 1)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Login\LoginPage\LoginPage.cs(187,46,187,50): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Login\LoginPage\LoginPage.cs(180,46,180,50): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Login\LoginPage\LoginPage.cs(181,83,181,91): warning CS8604: Possible null reference argument for parameter 'anchorView' in 'Task SnackbarManager.ShowE(string text, int offsetBottom = 0, View anchorView = null, bool isAnchorAbove = true, Func<Task<bool>> onTap = null)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Login\LoginPage\LoginPage.cs(291,144,291,153): warning CS8604: Possible null reference argument for parameter 'loginData' in 'LoginConfigPage.LoginConfigPage(LoginData loginData, bool validateData)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Login\LoginPage\LoginPage.cs(48,22,48,37): warning CS8618: Non-nullable field 'loginData' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\AttachmentDependency.cs(286,41,286,45): warning CS8600: Converting null literal or possible null value to non-nullable type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\AttachmentDependency.cs(287,36,287,40): warning CS8600: Converting null literal or possible null value to non-nullable type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\AttachmentDependency.cs(310,90,310,137): warning CS8602: Dereference of a possibly null reference.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Login\LoginPage\LoginPage.cs(26,28,26,32): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\AttachmentDependency.cs(357,47,357,51): warning CS8600: Converting null literal or possible null value to non-nullable type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\AttachmentDependency.cs(358,42,358,46): warning CS8600: Converting null literal or possible null value to non-nullable type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\AttachmentDependency.cs(400,50,400,59): warning CS8602: Dereference of a possibly null reference.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\AttachmentDependency.cs(402,83,402,108): warning CS8604: Possible null reference argument for parameter 'item2' in 'Tuple<Dokument, string>.Tuple(Dokument item1, string item2)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\AttachmentDependency.cs(433,90,433,137): warning CS8602: Dereference of a possibly null reference.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\AttachmentDependency.cs(434,24,434,28): warning CS8603: Possible null reference return.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\Android\Tasky\TaskRunner.cs(301,49,301,73): warning CS8604: Possible null reference argument for parameter 'packageContext' in 'Intent.Intent(Context packageContext, Type type)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\Android\Tasky\TaskRunner.cs(333,30,333,54): warning CS8602: Dereference of a possibly null reference.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\Android\Tasky\TaskRunner.cs(346,17,346,41): warning CS8602: Dereference of a possibly null reference.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\Android\Tasky\TaskRunner.cs(349,37,349,77): warning CS8602: Dereference of a possibly null reference.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\Android\Tasky\TaskRunner.cs(351,21,351,36): warning CS8602: Dereference of a possibly null reference.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\Android\SyncManagerA.cs(37,28,37,90): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\Android\SyncManagerA.cs(40,29,40,187): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\Android\SyncManagerA.cs(32,18,32,30): warning CS8618: Non-nullable field 'alarmManager' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\Android\SyncManagerA.cs(32,18,32,30): warning CS8618: Non-nullable field 'pendingIntent' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\Android\SyncManagerA.cs(666,26,666,36): warning CS8618: Non-nullable field 'listPropertyChangeSet' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\Android\SyncManagerA.cs(666,26,666,36): warning CS8618: Non-nullable field 'listMobileObjectChanges' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\Android\SyncManagerA.cs(666,26,666,36): warning CS8618: Non-nullable field 'backgroundWriteConnection' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\Android\SyncManagerA.cs(666,26,666,36): warning CS8618: Non-nullable field 'backgroundReadConnection' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\Android\SyncManagerA.cs(666,26,666,36): warning CS8618: Non-nullable field 'listChangeContext' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\Android\SyncManagerA.cs(666,26,666,36): warning CS8618: Non-nullable field 'lastContext' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Home\HomeTilePage.cs(484,53,484,80): warning CS0618: 'LayoutOptions.FillAndExpand' is obsolete: 'The StackLayout expansion options are deprecated; please use a Grid instead.'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Home\HomeTilePage.cs(431,54,431,74): warning CS8602: Dereference of a possibly null reference.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Home\HomeTilePage.cs(449,49,449,54): warning CS8602: Dereference of a possibly null reference.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Home\HomeTilePage.cs(449,85,449,90): warning CS8602: Dereference of a possibly null reference.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Home\HomeTilePage.cs(491,74,491,109): warning CS8604: Possible null reference argument for parameter 'text' in 'Label createLeftLabel(string text)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Home\HomeTilePage.cs(492,74,492,129): warning CS8604: Possible null reference argument for parameter 'text' in 'Label createLeftLabel(string text)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Home\HomeTilePage.cs(545,136,545,158): warning CS8629: Nullable value type may be null.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Home\HomeTilePage.cs(196,41,196,68): warning CS0618: 'LayoutOptions.FillAndExpand' is obsolete: 'The StackLayout expansion options are deprecated; please use a Grid instead.'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Home\HomeTilePage.cs(201,45,201,72): warning CS0618: 'LayoutOptions.FillAndExpand' is obsolete: 'The StackLayout expansion options are deprecated; please use a Grid instead.'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Home\HomeTilePage.cs(194,26,194,38): warning CS8618: Non-nullable field 'listItemData' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\PageManager.cs(23,36,23,44): warning CS8618: Non-nullable field 'instance' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Login\LoginPage\LoginPageHelper.cs(17,26,17,30): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Login\LoginPage\LoginPageHelper.cs(17,32,17,36): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Login\LoginPage\LoginPageHelper.cs(17,38,17,42): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Login\LoginPage\LoginPageHelper.cs(34,24,34,28): warning CS8603: Possible null reference return.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Home\HomeTilePage.cs(273,66,273,74): warning CS8604: Possible null reference argument for parameter 'itemData' in 'TileGridItemView.TileGridItemView(TileGridItemData itemData)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Home\HomeTilePage.cs(341,49,341,76): warning CS0618: 'LayoutOptions.FillAndExpand' is obsolete: 'The StackLayout expansion options are deprecated; please use a Grid instead.'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Home\HomeTilePage.cs(349,47,349,74): warning CS0618: 'LayoutOptions.FillAndExpand' is obsolete: 'The StackLayout expansion options are deprecated; please use a Grid instead.'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\Android\AppSrc\Src\Manager\NotificationDependencyA.cs(28,90,28,94): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\Android\AppSrc\Src\Manager\NotificationDependencyA.cs(34,112,34,116): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Home\HomeTilePage.cs(285,45,285,72): warning CS0618: 'LayoutOptions.FillAndExpand' is obsolete: 'The StackLayout expansion options are deprecated; please use a Grid instead.'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Home\HomeTilePage.cs(291,49,291,76): warning CS0618: 'LayoutOptions.FillAndExpand' is obsolete: 'The StackLayout expansion options are deprecated; please use a Grid instead.'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\Android\DependencyImplementation\BackgroundService_Android.cs(87,45,87,69): warning CS8604: Possible null reference argument for parameter 'packageContext' in 'Intent.Intent(Context packageContext, Type type)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\Android\DependencyImplementation\BackgroundService_Android.cs(88,40,89,103): warning CS8600: Converting null literal or possible null value to non-nullable type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\Android\DependencyImplementation\BackgroundService_Android.cs(90,45,90,122): warning CS8600: Converting null literal or possible null value to non-nullable type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\Android\DependencyImplementation\BackgroundService_Android.cs(91,13,91,29): warning CS8602: Dereference of a possibly null reference.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\Android\DependencyImplementation\BackgroundService_Android.cs(93,54,93,145): warning CS8600: Converting null literal or possible null value to non-nullable type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\Android\DependencyImplementation\BackgroundService_Android.cs(94,13,94,31): warning CS8602: Dereference of a possibly null reference.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Module\Attachments\GenericAttachmentView.xaml.cs(15,17,15,23): warning CS0612: 'Device' is obsolete
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Module\Attachments\GenericAttachmentView.xaml.cs(15,17,30,19): warning CS0618: 'Device.InvokeOnMainThreadAsync(Func<Task>)' is obsolete: 'Use BindableObject.Dispatcher.DispatchAsync() instead.'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\Android\DependencyImplementation\BackgroundService_Android.cs(100,45,100,69): warning CS8604: Possible null reference argument for parameter 'packageContext' in 'Intent.Intent(Context packageContext, Type type)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\Android\DependencyImplementation\BackgroundService_Android.cs(101,40,102,103): warning CS8600: Converting null literal or possible null value to non-nullable type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\Android\DependencyImplementation\BackgroundService_Android.cs(103,45,103,122): warning CS8600: Converting null literal or possible null value to non-nullable type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\Android\DependencyImplementation\BackgroundService_Android.cs(104,13,104,29): warning CS8602: Dereference of a possibly null reference.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\Android\DependencyImplementation\BackgroundService_Android.cs(119,13,119,28): warning CS0618: 'MessagingCenter' is obsolete: 'We recommend migrating to `CommunityToolkit.MVVM.WeakReferenceMessenger`: https://www.nuget.org/packages/CommunityToolkit.Mvvm'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\Android\DependencyImplementation\BackgroundService_Android.cs(124,13,124,28): warning CS0618: 'MessagingCenter' is obsolete: 'We recommend migrating to `CommunityToolkit.MVVM.WeakReferenceMessenger`: https://www.nuget.org/packages/CommunityToolkit.Mvvm'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\Android\DependencyImplementation\BackgroundService_Android.cs(149,13,149,28): warning CS0618: 'MessagingCenter' is obsolete: 'We recommend migrating to `CommunityToolkit.MVVM.WeakReferenceMessenger`: https://www.nuget.org/packages/CommunityToolkit.Mvvm'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\Android\DependencyImplementation\BackgroundService_Android.cs(149,110,149,114): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\Android\DependencyImplementation\BackgroundService_Android.cs(154,13,154,28): warning CS0618: 'MessagingCenter' is obsolete: 'We recommend migrating to `CommunityToolkit.MVVM.WeakReferenceMessenger`: https://www.nuget.org/packages/CommunityToolkit.Mvvm'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\Android\DependencyImplementation\BackgroundService_Android.cs(159,13,159,28): warning CS0618: 'MessagingCenter' is obsolete: 'We recommend migrating to `CommunityToolkit.MVVM.WeakReferenceMessenger`: https://www.nuget.org/packages/CommunityToolkit.Mvvm'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\Android\DependencyImplementation\BackgroundService_Android.cs(159,99,159,103): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\Android\DependencyImplementation\BackgroundService_Android.cs(164,13,164,28): warning CS0618: 'MessagingCenter' is obsolete: 'We recommend migrating to `CommunityToolkit.MVVM.WeakReferenceMessenger`: https://www.nuget.org/packages/CommunityToolkit.Mvvm'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\Android\AppSrc\Src\Manager\NotificationDependencyA.cs(126,20,126,39): warning CS8603: Possible null reference return.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\Android\DependencyImplementation\BackgroundService_Android.cs(237,37,237,52): warning SYSLIB0014: 'WebClient.WebClient()' is obsolete: 'WebRequest, HttpWebRequest, ServicePoint, and WebClient are obsolete. Use HttpClient instead.' (https://aka.ms/dotnet-warnings/SYSLIB0014)
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\Android\AppSrc\Src\Manager\NotificationDependencyA.cs(140,55,140,79): warning CS8604: Possible null reference argument for parameter 'activity' in 'void ActivityCompat.RequestPermissions(Activity activity, string[] permissions, int requestCode)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\Android\AppSrc\Src\Manager\NotificationDependencyA.cs(143,37,143,39): warning CS0168: The variable 'ex' is declared but never used
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\Android\DependencyImplementation\BackgroundService_Android.cs(277,35,277,65): warning CS8600: Converting null literal or possible null value to non-nullable type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\Android\DependencyImplementation\BackgroundService_Android.cs(284,17,284,41): warning CS8602: Dereference of a possibly null reference.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\Android\AppSrc\Src\Manager\SnackbarDependencyA.cs(50,13,50,23): warning CS8602: Dereference of a possibly null reference.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\Android\DependencyImplementation\Audio_Android.cs(11,22,11,46): warning CS8602: Dereference of a possibly null reference.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\Android\DependencyImplementation\Audio_Android.cs(11,22,11,53): warning CS8602: Dereference of a possibly null reference.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Module\AufgabeDetail\AufgabeDetailPage.cs(24,72,24,86): warning CS8604: Possible null reference argument for parameter 'subtitle' in 'TitleBar.TitleBar(string title, string subtitle = null, bool centerTitle = false, bool hasIndicator = false, bool enableIcon = true)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Module\DiagnosticData\DiagnosticDataPage.cs(33,50,33,68): warning CS8604: Possible null reference argument for parameter 'diagnosticFileData' in 'Task DiagnosticDataManager.SendFile(DiagnosticFileData diagnosticFileData, bool enableDelete = false)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Module\AufgabeOverview\AufgabeOverviewPage.cs(24,59,24,71): warning CS8604: Possible null reference argument for parameter 'arg2' in 'Task Func<APage, AufgabeOverviewData, Task>.Invoke(APage arg1, AufgabeOverviewData arg2)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Module\DiagnosticData\DiagnosticDataPage.cs(75,35,75,62): warning CS0618: 'LayoutOptions.FillAndExpand' is obsolete: 'The StackLayout expansion options are deprecated; please use a Grid instead.'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Module\DiagnosticData\DiagnosticDataPage.cs(79,39,79,66): warning CS0618: 'LayoutOptions.FillAndExpand' is obsolete: 'The StackLayout expansion options are deprecated; please use a Grid instead.'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Module\DiagnosticData\DiagnosticDataPage.cs(85,39,85,66): warning CS0618: 'LayoutOptions.FillAndExpand' is obsolete: 'The StackLayout expansion options are deprecated; please use a Grid instead.'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Module\AufgabeOverview\AufgabeOverviewPage.cs(51,48,51,77): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Module\AufgabeOverview\AufgabeOverviewPage.cs(59,48,59,60): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\Android\DependencyImplementation\BackgroundAlarmManager.cs(26,43,26,177): warning CS8600: Converting null literal or possible null value to non-nullable type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\Android\DependencyImplementation\BackgroundAlarmManager.cs(27,41,27,113): warning CS8600: Converting null literal or possible null value to non-nullable type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\Android\DependencyImplementation\BackgroundAlarmManager.cs(40,13,40,25): warning CS8602: Dereference of a possibly null reference.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\Android\SyncManagerA.cs(771,69,771,75): warning CS8604: Possible null reference argument for parameter 'collection' in 'void List<string>.AddRange(IEnumerable<string> collection)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\Android\SyncManagerA.cs(813,78,813,102): warning CS8604: Possible null reference argument for parameter 'item' in 'bool List<string>.Contains(string item)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\Android\SyncManagerA.cs(826,78,826,102): warning CS8604: Possible null reference argument for parameter 'item' in 'bool List<string>.Contains(string item)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\Android\SyncManagerA.cs(848,55,848,59): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\Android\DependencyImplementation\BackgroundAlarmManager.cs(55,41,55,101): warning CS8600: Converting null literal or possible null value to non-nullable type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\Android\DependencyImplementation\BackgroundAlarmManager.cs(56,28,56,40): warning CS8602: Dereference of a possibly null reference.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\Android\DependencyImplementation\BackgroundAlarmManager.cs(56,28,57,37): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\Android\DependencyImplementation\BackgroundAlarmManager.cs(60,22,60,34): warning CS8602: Dereference of a possibly null reference.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\Android\DependencyImplementation\BackgroundAlarmManager.cs(16,45,16,57): warning CS8618: Non-nullable field 'SyncWakeLock' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Module\PersonalOverview\GroupSelectionPage.cs(23,16,23,34): warning CS8618: Non-nullable property 'SelectionCompletionSource' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Module\PersonalOverview\GroupSelectionPage.cs(42,53,42,57): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\LogoutManager.cs(26,48,26,52): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Module\PersonalOverview\GroupSelectionPage.cs(64,92,64,98): warning CS0612: 'Device' is obsolete
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Module\PersonalOverview\GroupSelectionPage.cs(64,92,64,162): warning CS0618: 'Device.BeginInvokeOnMainThread(Action)' is obsolete: 'Use BindableObject.Dispatcher.Dispatch() instead.'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\LogManager.cs(36,18,36,22): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\LogManager.cs(42,24,42,28): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\LogManager.cs(60,18,60,22): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\LogManager.cs(60,24,60,28): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\LogManager.cs(67,31,67,38): warning CS8604: Possible null reference argument for parameter 'message' in 'void LogManager.LogE(Type classCaller, string message = null, Exception exception = null, string methodName = null, int lineNumber = -1)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\LogManager.cs(67,40,67,49): warning CS8604: Possible null reference argument for parameter 'exception' in 'void LogManager.LogE(Type classCaller, string message = null, Exception exception = null, string methodName = null, int lineNumber = -1)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\LogManager.cs(73,18,73,22): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\LogManager.cs(73,24,73,28): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\LogManager.cs(79,24,79,28): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\LogManager.cs(79,30,79,34): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\Android\SyncManagerA.cs(884,86,884,90): warning CS8600: Converting null literal or possible null value to non-nullable type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\Android\SyncManagerA.cs(889,56,889,69): warning CS8602: Dereference of a possibly null reference.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\Android\SyncManagerA.cs(904,68,904,72): warning CS8600: Converting null literal or possible null value to non-nullable type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\Android\SyncManagerA.cs(948,64,948,78): warning CS8604: Possible null reference argument for parameter 'g' in 'Guid.Guid(string g)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\LoginManager\LoginManager.cs(50,100,50,104): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\AttachmentDependency.cs(517,48,517,81): warning CS8602: Dereference of a possibly null reference.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\AttachmentDependency.cs(531,94,531,141): warning CS8602: Dereference of a possibly null reference.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\LoginManager\LoginManager.cs(80,20,94,15): warning CS8603: Possible null reference return.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\Android\SyncManagerA.cs(983,85,983,89): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\Android\SyncManagerA.cs(991,83,991,99): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\Android\SyncManagerA.cs(1022,81,1022,104): warning CS8602: Dereference of a possibly null reference.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\Android\SyncManagerA.cs(1025,80,1025,83): warning CS8604: Possible null reference argument for parameter 'businessObject' in 'void PropertyChangeSetRepository.Delete(PropertyChangeSet businessObject)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\Android\SyncManagerA.cs(1047,83,1047,99): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\Android\SyncManagerA.cs(1054,79,1054,95): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\Android\SyncManagerA.cs(1061,75,1061,91): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\Android\SyncManagerA.cs(997,37,997,69): warning CS8073: The result of the expression is always 'true' since a value of type 'DateTime' is never equal to 'null' of type 'DateTime?'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\Android\SyncManagerA.cs(1057,38,1057,39): warning CS0168: The variable 'e' is declared but never used
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\AttachmentDependency.cs(562,48,562,73): warning CS8604: Possible null reference argument for parameter 'item' in 'void List<string>.Add(string item)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\Android\SyncManagerA.cs(1101,107,1101,128): warning CS8604: Possible null reference argument for parameter 'businessObjectId' in 'List<EventNotification> EventNotificationRepository.GetByBusinessObjectId(string businessObjectId, DateTime? datumsfilter = null)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\Android\SyncManagerA.cs(1122,21,1122,36): warning CS0618: 'MessagingCenter' is obsolete: 'We recommend migrating to `CommunityToolkit.MVVM.WeakReferenceMessenger`: https://www.nuget.org/packages/CommunityToolkit.Mvvm'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\Android\SyncManagerA.cs(1122,98,1122,102): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\Android\SyncManagerA.cs(1128,21,1128,36): warning CS0618: 'MessagingCenter' is obsolete: 'We recommend migrating to `CommunityToolkit.MVVM.WeakReferenceMessenger`: https://www.nuget.org/packages/CommunityToolkit.Mvvm'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\Android\SyncManagerA.cs(1135,21,1135,36): warning CS0618: 'MessagingCenter' is obsolete: 'We recommend migrating to `CommunityToolkit.MVVM.WeakReferenceMessenger`: https://www.nuget.org/packages/CommunityToolkit.Mvvm'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\Android\SyncManagerA.cs(1142,21,1142,36): warning CS0618: 'MessagingCenter' is obsolete: 'We recommend migrating to `CommunityToolkit.MVVM.WeakReferenceMessenger`: https://www.nuget.org/packages/CommunityToolkit.Mvvm'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\AttachmentDependency.cs(577,48,577,73): warning CS8604: Possible null reference argument for parameter 'item' in 'void List<string>.Add(string item)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\Android\SyncManagerA.cs(1154,21,1154,36): warning CS0618: 'MessagingCenter' is obsolete: 'We recommend migrating to `CommunityToolkit.MVVM.WeakReferenceMessenger`: https://www.nuget.org/packages/CommunityToolkit.Mvvm'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\Android\SyncManagerA.cs(1154,109,1154,113): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\Android\SyncManagerA.cs(1160,21,1160,36): warning CS0618: 'MessagingCenter' is obsolete: 'We recommend migrating to `CommunityToolkit.MVVM.WeakReferenceMessenger`: https://www.nuget.org/packages/CommunityToolkit.Mvvm'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\AttachmentDependency.cs(595,94,595,141): warning CS8602: Dereference of a possibly null reference.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\AttachmentDependency.cs(612,94,612,141): warning CS8602: Dereference of a possibly null reference.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\LoginManager\LoginManager.cs(168,27,168,35): warning CS8618: Non-nullable property 'Protocol' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\LoginManager\LoginManager.cs(145,25,145,39): warning CS8602: Dereference of a possibly null reference.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\LoginManager\LoginManager.cs(146,77,146,112): warning CS8604: Possible null reference argument for parameter 'message' in 'Task LogManager.LogEAsync(Type classCaller, string message = null, Exception exception = null, string methodName = null, int lineNumber = -1)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\LoginManager\LoginManager.cs(148,77,148,111): warning CS8604: Possible null reference argument for parameter 'message' in 'Task LogManager.LogEAsync(Type classCaller, string message = null, Exception exception = null, string methodName = null, int lineNumber = -1)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\LoginManager\LoginManager.cs(151,87,151,91): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\LoginManager\LoginManager.cs(153,64,153,68): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\Android\SyncManagerA.cs(150,43,150,120): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\Android\SyncManagerA.cs(153,71,153,78): warning CS8604: Possible null reference argument for parameter 'context' in 'Builder.Builder(Context context, string channelId)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\Android\SyncManagerA.cs(148,26,148,43): warning CS8618: Non-nullable field 'notificationManager' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\Android\SyncManagerA.cs(148,26,148,43): warning CS8618: Non-nullable field 'notification' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\Android\SyncManagerA.cs(148,26,148,43): warning CS8618: Non-nullable field 'PropertyChangeSetList' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\Android\SyncManagerA.cs(148,26,148,43): warning CS8618: Non-nullable field 'changes' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\Android\SyncManagerA.cs(148,26,148,43): warning CS8618: Non-nullable field 'BackgroundConnection' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\Android\SyncManagerA.cs(148,26,148,43): warning CS8618: Non-nullable field 'BackgroundReadConnection' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\Android\SyncManagerA.cs(148,26,148,43): warning CS8618: Non-nullable property 'ContextList' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\Android\SyncManagerA.cs(148,26,148,43): warning CS8618: Non-nullable property 'LastContext' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Module\AufgabeOverview\AufgabeOverview.cs(45,35,45,62): warning CS0618: 'LayoutOptions.FillAndExpand' is obsolete: 'The StackLayout expansion options are deprecated; please use a Grid instead.'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Module\AufgabeOverview\AufgabeOverview.cs(118,47,118,59): warning CS8603: Possible null reference return.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Module\AufgabeOverview\AufgabeOverview.cs(135,39,135,50): warning CS8604: Possible null reference argument for parameter 'listData' in 'Task AufgabeOverview.UpdateViewAsync(List<AufgabeOverviewData> listData, List<string> listFav)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Module\AufgabeOverview\AufgabeOverview.cs(124,90,124,114): warning CS8604: Possible null reference argument for parameter 'id' in 'Task<List<string>> FavAufgabeOverviewPref.SetIsFavAllAsync(string id, bool isFav)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Module\AufgabeOverview\AufgabeOverview.cs(127,96,127,120): warning CS8604: Possible null reference argument for parameter 'id' in 'Task<List<string>> FavAufgabeOverviewPref.SetIsFavAbteilungAsync(string id, bool isFav)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Module\AufgabeOverview\AufgabeOverview.cs(130,98,130,122): warning CS8604: Possible null reference argument for parameter 'id' in 'Task<List<string>> FavAufgabeOverviewPref.SetIsFavHandauftragAsync(string id, bool isFav)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Module\AufgabeOverview\AufgabeOverview.cs(132,28,132,32): warning CS8603: Possible null reference return.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Module\AufgabeOverview\AufgabeOverview.cs(40,18,40,33): warning CS8618: Non-nullable field 'chipSelected' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Module\AufgabeOverview\AufgabeOverview.cs(40,18,40,33): warning CS8618: Non-nullable field 'listDataSrc' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Module\AufgabeOverview\AufgabeOverview.cs(40,18,40,33): warning CS8618: Non-nullable field 'listItemDataContainer' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Module\AufgabeOverview\AufgabeOverview.cs(40,18,40,33): warning CS8618: Non-nullable property 'ItemSelected' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Module\AufgabeOverview\AufgabeOverview.cs(40,18,40,33): warning CS8618: Non-nullable property 'ItemDataContainerToScrollTo' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\AnlagenAuswahlViewModel.cs(24,47,24,134): warning CS8603: Possible null reference return.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\AnlagenAuswahlViewModel.cs(27,45,27,105): warning CS8603: Possible null reference return.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Module\AufgabeOverview\AufgabeOverview.cs(184,31,184,54): warning CS8602: Dereference of a possibly null reference.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\AnlagenAuswahlViewModel.cs(32,28,32,40): warning CS1998: This async method lacks 'await' operators and will run synchronously. Consider using the 'await' operator to await non-blocking API calls, or 'await Task.Run(...)' to do CPU-bound work on a background thread.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\Android\DependencyImplementation\BluetoothExample_Android.cs(23,38,23,42): warning CS8600: Converting null literal or possible null value to non-nullable type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\Android\DependencyImplementation\BluetoothExample_Android.cs(24,50,24,81): warning CS8600: Converting null literal or possible null value to non-nullable type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\Android\DependencyImplementation\BluetoothExample_Android.cs(37,62,37,93): warning CS8600: Converting null literal or possible null value to non-nullable type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\Android\DependencyImplementation\BluetoothExample_Android.cs(39,21,39,34): warning CS8602: Dereference of a possibly null reference.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\Android\DependencyImplementation\BluetoothExample_Android.cs(49,41,49,59): warning CS8600: Converting null literal or possible null value to non-nullable type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\Android\DependencyImplementation\BluetoothExample_Android.cs(56,32,56,36): warning CS8600: Converting null literal or possible null value to non-nullable type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\Android\DependencyImplementation\BluetoothExample_Android.cs(57,45,57,63): warning CS8602: Dereference of a possibly null reference.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\Android\DependencyImplementation\BluetoothExample_Android.cs(59,46,59,105): warning CS8600: Converting null literal or possible null value to non-nullable type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\Android\DependencyImplementation\BluetoothExample_Android.cs(62,25,62,32): warning CS8602: Dereference of a possibly null reference.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\Android\DependencyImplementation\BluetoothExample_Android.cs(63,33,63,52): warning CS8600: Converting null literal or possible null value to non-nullable type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\Android\DependencyImplementation\BluetoothExample_Android.cs(65,29,65,34): warning CS8602: Dereference of a possibly null reference.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Module\AufgabeOverview\AufgabeOverview.cs(238,31,238,54): warning CS8602: Dereference of a possibly null reference.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Module\AufgabeOverview\AufgabeOverview.cs(242,35,242,42): warning CS8604: Possible null reference argument for parameter 'listData' in 'Task AufgabeOverview.UpdateViewAsync(List<AufgabeOverviewData> listData, List<string> listFav)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\AnlagenAuswahlViewModel.cs(92,21,92,36): warning CS0618: 'MessagingCenter' is obsolete: 'We recommend migrating to `CommunityToolkit.MVVM.WeakReferenceMessenger`: https://www.nuget.org/packages/CommunityToolkit.Mvvm'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\AnlagenAuswahlViewModel.cs(95,25,95,40): warning CS0618: 'MessagingCenter' is obsolete: 'We recommend migrating to `CommunityToolkit.MVVM.WeakReferenceMessenger`: https://www.nuget.org/packages/CommunityToolkit.Mvvm'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\AnlagenAuswahlViewModel.cs(127,13,127,28): warning CS0618: 'MessagingCenter' is obsolete: 'We recommend migrating to `CommunityToolkit.MVVM.WeakReferenceMessenger`: https://www.nuget.org/packages/CommunityToolkit.Mvvm'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\AnlagenAuswahlViewModel.cs(86,63,86,73): warning CS8604: Possible null reference argument for parameter 'source' in 'IEnumerable<Anlage> Enumerable.Where<Anlage>(IEnumerable<Anlage> source, Func<Anlage, bool> predicate)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\AnlagenAuswahlViewModel.cs(90,56,90,79): warning CS8604: Possible null reference argument for parameter 'value' in 'bool bool.Parse(string value)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\AnlagenAuswahlViewModel.cs(92,101,92,105): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\AnlagenAuswahlViewModel.cs(77,16,77,39): warning CS8618: Non-nullable field 'anlagen' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\AnlagenAuswahlViewModel.cs(77,16,77,39): warning CS8618: Non-nullable property 'ShowInfo' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\AnlagenAuswahlViewModel.cs(77,16,77,39): warning CS8618: Non-nullable property 'SearchText' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\AnlagenAuswahlViewModel.cs(77,16,77,39): warning CS8618: Non-nullable field 'allAnlagen' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\AnlagenAuswahlViewModel.cs(77,16,77,39): warning CS8618: Non-nullable field 'selectedAnlage' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\Android\DependencyImplementation\BluetoothExample_Android.cs(14,33,14,40): warning CS8618: Non-nullable field 'bDevice' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\Android\DependencyImplementation\BluetoothExample_Android.cs(17,37,17,51): warning CS8618: Non-nullable field 'scannedArtikel' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\AnlagenAuswahlViewModel.cs(155,30,155,34): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\AnlagenAuswahlViewModel.cs(160,13,160,28): warning CS0618: 'MessagingCenter' is obsolete: 'We recommend migrating to `CommunityToolkit.MVVM.WeakReferenceMessenger`: https://www.nuget.org/packages/CommunityToolkit.Mvvm'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\AnlagenAuswahlViewModel.cs(170,17,170,32): warning CS0618: 'MessagingCenter' is obsolete: 'We recommend migrating to `CommunityToolkit.MVVM.WeakReferenceMessenger`: https://www.nuget.org/packages/CommunityToolkit.Mvvm'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\AnlagenAuswahlViewModel.cs(179,17,179,32): warning CS0618: 'MessagingCenter' is obsolete: 'We recommend migrating to `CommunityToolkit.MVVM.WeakReferenceMessenger`: https://www.nuget.org/packages/CommunityToolkit.Mvvm'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\Android\Legacy\Effects\TouchEffect_Droid.cs(33,17,34,65): warning CS8600: Converting null literal or possible null value to non-nullable type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\Android\Legacy\Effects\TouchEffect_Droid.cs(48,31,48,38): warning CS8622: Nullability of reference types in type of parameter 'sender' of 'void TouchPlatformEffect.OnTouch(object sender, TouchEventArgs args)' doesn't match the target delegate 'EventHandler<View.TouchEventArgs>' (possibly because of nullability attributes).
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\Android\Legacy\Effects\TouchEffect_Droid.cs(57,31,57,38): warning CS8622: Nullability of reference types in type of parameter 'sender' of 'void TouchPlatformEffect.OnTouch(object sender, TouchEventArgs args)' doesn't match the target delegate 'EventHandler<View.TouchEventArgs>' (possibly because of nullability attributes).
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\ModeSettings.cs(35,37,35,43): warning CS0162: Unreachable code detected
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\ModeSettings.cs(44,37,44,43): warning CS0162: Unreachable code detected
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\ModeSettings.cs(53,34,53,40): warning CS0162: Unreachable code detected
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\ModeSettings.cs(54,35,54,41): warning CS0162: Unreachable code detected
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\ModeSettings.cs(69,21,69,24): warning CS0162: Unreachable code detected
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\ModeSettings.cs(82,34,82,40): warning CS0162: Unreachable code detected
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\ModeSettings.cs(83,35,83,41): warning CS0162: Unreachable code detected
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\ModeSettings.cs(98,21,98,27): warning CS0162: Unreachable code detected
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\ModeSettings.cs(109,21,109,23): warning CS0162: Unreachable code detected
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\ModeSettings.cs(113,21,113,23): warning CS0162: Unreachable code detected
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\ModeSettings.cs(134,35,134,41): warning CS0162: Unreachable code detected
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\ModeSettings.cs(146,28,146,32): warning CS8603: Possible null reference return.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\ModeSettings.cs(144,21,144,27): warning CS0162: Unreachable code detected
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\ModeSettings.cs(155,21,155,23): warning CS0162: Unreachable code detected
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\Android\Legacy\Effects\TouchEffect_Droid.cs(64,31,64,45): warning CS8600: Converting null literal or possible null value to non-nullable type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\Android\Legacy\Effects\TouchEffect_Droid.cs(65,39,65,49): warning CS8600: Converting null literal or possible null value to non-nullable type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\Android\Legacy\Effects\TouchEffect_Droid.cs(68,32,68,43): warning CS8602: Dereference of a possibly null reference.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\Android\Legacy\Effects\TouchEffect_Droid.cs(74,13,74,23): warning CS8602: Dereference of a possibly null reference.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\Android\Legacy\Effects\TouchEffect_Droid.cs(80,21,80,31): warning CS8602: Dereference of a possibly null reference.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\ArticleBookingEditContentView.xaml.cs(21,16,21,45): warning CS8618: Non-nullable field 'viewModel' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\Android\Legacy\Effects\TouchEffect_Droid.cs(154,50,154,54): warning CS8600: Converting null literal or possible null value to non-nullable type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\Android\Legacy\Effects\TouchEffect_Droid.cs(185,44,185,58): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\Android\Legacy\Effects\TouchEffect_Droid.cs(13,14,13,18): warning CS8618: Non-nullable field 'view' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\Android\Legacy\Effects\TouchEffect_Droid.cs(14,17,14,29): warning CS8618: Non-nullable field 'formsElement' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\Android\Legacy\Effects\TouchEffect_Droid.cs(15,28,15,42): warning CS8618: Non-nullable field 'libTouchEffect' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\Android\Legacy\Effects\TouchEffect_Droid.cs(17,30,17,40): warning CS8618: Non-nullable field 'fromPixels' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\Android\MainActivity.cs(36,31,36,35): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\Android\MainActivity.cs(42,123,42,129): warning CS8602: Dereference of a possibly null reference.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\Android\MainActivity.cs(42,123,42,140): warning CS8604: Possible null reference argument for parameter 'message' in 'Task LogManager.LogEAsync(Type classCaller, string message = null, Exception exception = null, string methodName = null, int lineNumber = -1)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\Android\MainActivity.cs(66,55,66,113): warning CS8600: Converting null literal or possible null value to non-nullable type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\Android\MainActivity.cs(67,13,67,32): warning CS8602: Dereference of a possibly null reference.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\Android\MainActivity.cs(24,41,24,56): warning CS8618: Non-nullable field '_resultCallback' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\Android\Legacy\CustomRenderers\ImprovedTextCellRenderer.cs(19,34,19,50): warning CS8600: Converting null literal or possible null value to non-nullable type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\Android\Legacy\CustomRenderers\ImprovedTextCellRenderer.cs(20,21,20,25): warning CS8602: Dereference of a possibly null reference.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\Android\Legacy\CustomRenderers\ImprovedTextCellRenderer.cs(25,25,25,29): warning CS8602: Dereference of a possibly null reference.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\Android\Legacy\CustomRenderers\ImprovedTextCellRenderer.cs(37,29,37,33): warning CS8602: Dereference of a possibly null reference.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\Android\Legacy\CustomRenderers\ImprovedTextCellRenderer.cs(39,57,39,89): warning CS8600: Converting null literal or possible null value to non-nullable type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\Android\Legacy\CustomRenderers\ImprovedTextCellRenderer.cs(40,61,40,73): warning CS8602: Dereference of a possibly null reference.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\Android\Legacy\CustomRenderers\ImprovedTextCellRenderer.cs(40,51,40,87): warning CS8600: Converting null literal or possible null value to non-nullable type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\Android\Legacy\CustomRenderers\ImprovedTextCellRenderer.cs(41,29,41,39): warning CS8602: Dereference of a possibly null reference.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\Android\Legacy\CustomRenderers\ImprovedTextCellRenderer.cs(50,24,50,28): warning CS8603: Possible null reference return.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\Android\Legacy\CustomRenderers\CustomWebViewRenderer.cs(84,89,84,103): warning CS8600: Converting null literal or possible null value to non-nullable type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\Android\Legacy\CustomRenderers\CustomWebViewRenderer.cs(21,48,21,67): warning CS8602: Dereference of a possibly null reference.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\Android\Legacy\CustomRenderers\AttachmentPdfWebView_Droid.cs(28,45,28,52): warning CS8602: Dereference of a possibly null reference.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\Android\Legacy\CustomRenderers\AttachmentPdfWebView_Droid.cs(28,45,28,67): warning CS8602: Dereference of a possibly null reference.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Module\PersonalOverview\GroupSelectionPage.cs(73,96,73,137): warning CS8619: Nullability of reference types in value of type 'List<string?>' doesn't match target type 'List<string>'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Module\PersonalOverview\GroupSelectionPage.cs(80,73,80,108): warning CS8604: Possible null reference argument for parameter 'personallist' in 'Gruppenmitglied.Gruppenmitglied(PersonalList personallist)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\Android\Legacy\CustomRenderers\CustomImageRenderer.cs(46,13,46,19): warning CS0612: 'Device' is obsolete
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\Android\Legacy\CustomRenderers\CustomImageRenderer.cs(46,13,86,15): warning CS0618: 'Device.BeginInvokeOnMainThread(Action)' is obsolete: 'Use BindableObject.Dispatcher.Dispatch() instead.'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Module\PersonalOverview\GroupSelectionViewModel.cs(29,16,29,39): warning CS8618: Non-nullable field 'personal' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Module\PersonalOverview\GroupSelectionViewModel.cs(29,16,29,39): warning CS8618: Non-nullable property 'AllPersonal' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Module\PersonalOverview\GroupSelectionViewModel.cs(47,46,47,59): warning CS8604: Possible null reference argument for parameter 'item' in 'void List<string>.Add(string item)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Module\PersonalOverview\GroupSelectionViewModel.cs(58,49,58,62): warning CS8604: Possible null reference argument for parameter 'item' in 'bool List<string>.Remove(string item)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Module\PersonalOverview\GroupSelectionViewModel.cs(71,47,71,58): warning CS8604: Possible null reference argument for parameter 'item' in 'bool List<string>.Contains(string item)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\Android\Legacy\CustomRenderers\ColoredProgressBarRenderer.cs(40,41,40,48): warning CS8602: Dereference of a possibly null reference.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\Android\Legacy\CustomRenderers\ColoredProgressBarRenderer.cs(49,13,49,110): warning CS0618: 'Drawable.SetColorFilter(Color, PorterDuff.Mode)' is obsolete: 'deprecated'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\Android\Legacy\CustomRenderers\ColoredProgressBarRenderer.cs(50,13,50,105): warning CS0618: 'Drawable.SetColorFilter(Color, PorterDuff.Mode)' is obsolete: 'deprecated'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\Android\Legacy\CustomRenderers\ColoredProgressBarRenderer.cs(48,13,48,42): warning CS8602: Dereference of a possibly null reference.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\Android\Legacy\CustomRenderers\ColoredProgressBarRenderer.cs(49,58,49,65): warning CS8602: Dereference of a possibly null reference.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\Android\Legacy\CustomRenderers\ColoredProgressBarRenderer.cs(49,88,49,109): warning CS8604: Possible null reference argument for parameter 'mode' in 'void Drawable.SetColorFilter(Color color, Mode mode)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\Android\Legacy\CustomRenderers\ColoredProgressBarRenderer.cs(50,13,50,37): warning CS8602: Dereference of a possibly null reference.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Module\PersonalOverview\GroupSelectionViewModel.cs(102,61,102,77): warning CS8604: Possible null reference argument for parameter 'item' in 'bool List<string>.Contains(string item)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Module\PersonalOverview\GroupSelectionViewModel.cs(106,66,106,82): warning CS8604: Possible null reference argument for parameter 'item' in 'bool List<string>.Contains(string item)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Module\PersonalOverview\PersonalSelectionPage.cs(20,16,20,37): warning CS8618: Non-nullable property 'SelectionCompletionSource' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Module\PersonalOverview\PersonalSelectionPage.cs(43,53,43,57): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\KisManager.cs(13,24,13,28): warning CS8603: Possible null reference return.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\KisManager.cs(16,24,16,28): warning CS8603: Possible null reference return.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\KisManager.cs(20,24,20,28): warning CS8603: Possible null reference return.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\KisManager.cs(21,35,21,55): warning CS8604: Possible null reference argument for parameter 'username' in 'WebService.WebService(string username, string password, Guid instanceId, int firma)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\KisManager.cs(21,57,21,77): warning CS8604: Possible null reference argument for parameter 'password' in 'WebService.WebService(string username, string password, Guid instanceId, int firma)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\HashManager.cs(11,24,11,28): warning CS8603: Possible null reference return.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\EntryDataManager\MaterialanforderungDataManager.cs(32,22,32,36): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\EntryDataManager\FotoDocuDataManager.cs(63,22,63,32): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\EntryDataManager\FotoDocuDataManager.cs(80,22,80,29): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\EntryDataManager\ChecklistDataManager\ChecklistDataManager.cs(69,22,69,39): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\EntryDataManager\ChecklistDataManager\ChecklistDataManager.cs(82,22,82,34): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Module\AufgabeOverview\AufgabeOverview.cs(263,43,263,47): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Module\AufgabeOverview\AufgabeOverview.cs(296,32,296,36): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Module\AufgabeOverview\AufgabeOverview.cs(273,73,273,84): warning CS8604: Possible null reference argument for parameter 'item' in 'bool List<string>.Contains(string item)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\EntryDataManager\ChecklistDataManager\ChecklistDataManager.cs(104,22,104,39): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\EntryDataManager\ChecklistDataManager\ChecklistDataManager.cs(161,20,161,63): warning CS8603: Possible null reference return.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\DiagnosticDataManager\DiagnosticFileData.cs(5,23,5,38): warning CS8618: Non-nullable property 'AsyncDbFilePath' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\DiagnosticDataManager\DiagnosticFileData.cs(6,23,6,31): warning CS8618: Non-nullable property 'Username' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\DiagnosticDataManager\DiagnosticFileData.cs(7,23,7,28): warning CS8618: Non-nullable property 'Konto' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\DiagnosticDataManager\DiagnosticFileData.cs(8,23,8,28): warning CS8618: Non-nullable property 'Firma' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\DiagnosticDataManager\DiagnosticFileData.cs(9,23,9,34): warning CS8618: Non-nullable property 'DisplayName' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\DiagnosticDataManager\DiagnosticFileData.cs(10,23,10,34): warning CS8618: Non-nullable property 'DateChanged' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\DiagnosticDataManager\DiagnosticFileData.cs(11,23,11,27): warning CS8618: Non-nullable property 'Size' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\DiagnosticDataManager\DiagnosticFileData.cs(12,23,12,37): warning CS8618: Non-nullable property 'SyncDbFilePath' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\DiagnosticDataManager\DiagnosticFileData.cs(13,23,13,43): warning CS8618: Non-nullable property 'GlobalDataDbFilePath' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\DiagnosticDataManager\DiagnosticFileData.cs(14,23,14,37): warning CS8618: Non-nullable property 'InfoDbFilePath' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\ServerParserManagerM.cs(88,16,88,36): warning CS8618: Non-nullable property 'DbInfoConnection' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\ServerParserManagerM.cs(88,16,88,36): warning CS8618: Non-nullable field 'writeConnection' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\ServerParserManagerM.cs(88,16,88,36): warning CS8618: Non-nullable field 'readConnection' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\ServerParserManagerM.cs(91,16,91,36): warning CS8618: Non-nullable property 'DbInfoConnection' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\DiagnosticDataManager\DiagnosticDataManager.cs(86,19,86,25): warning CS0612: 'Device' is obsolete
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\DiagnosticDataManager\DiagnosticDataManager.cs(86,19,117,15): warning CS0618: 'Device.InvokeOnMainThreadAsync(Func<Task>)' is obsolete: 'Use BindableObject.Dispatcher.DispatchAsync() instead.'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\Android\DependencyImplementation\DataAccessHelperAndroid.cs(156,17,156,34): warning CS8602: Dereference of a possibly null reference.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\Android\DependencyImplementation\DataAccessHelperAndroid.cs(181,17,181,41): warning CS8602: Dereference of a possibly null reference.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\DiagnosticDataManager\DiagnosticDataManager.cs(166,145,166,151): warning CS0612: 'Device' is obsolete
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\DiagnosticDataManager\DiagnosticDataManager.cs(166,145,166,167): warning CS0618: 'Device.RuntimePlatform' is obsolete: 'Use Microsoft.Maui.Devices.DeviceInfo.Platform instead.'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\DiagnosticDataManager\DiagnosticDataManager.cs(178,13,178,30): warning CS8602: Dereference of a possibly null reference.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\DiagnosticDataManager\DiagnosticDataManager.cs(185,23,185,237): warning CS8602: Dereference of a possibly null reference.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\Android\DependencyImplementation\DataAccessHelperAndroid.cs(302,17,302,41): warning CS8602: Dereference of a possibly null reference.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\Android\DependencyImplementation\DataAccessHelperAndroid.cs(284,27,284,40): warning CS1998: This async method lacks 'await' operators and will run synchronously. Consider using the 'await' operator to await non-blocking API calls, or 'await Task.Run(...)' to do CPU-bound work on a background thread.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Module\PersonalOverview\PersonalSelectionPage.cs(63,101,63,107): warning CS0612: 'Device' is obsolete
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Module\PersonalOverview\PersonalSelectionPage.cs(65,21,65,55): warning CS4014: Because this call is not awaited, execution of the current method continues before the call is completed. Consider applying the 'await' operator to the result of the call.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Module\PersonalOverview\PersonalSelectionPage.cs(63,101,66,19): warning CS0618: 'Device.BeginInvokeOnMainThread(Action)' is obsolete: 'Use BindableObject.Dispatcher.Dispatch() instead.'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Module\PersonalOverview\PersonalSelectionPage.cs(63,141,63,143): warning CS1998: This async method lacks 'await' operators and will run synchronously. Consider using the 'await' operator to await non-blocking API calls, or 'await Task.Run(...)' to do CPU-bound work on a background thread.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\Android\DependencyImplementation\DataAccessHelperAndroid.cs(322,28,322,32): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\Android\DependencyImplementation\DataAccessHelperAndroid.cs(325,46,325,93): warning CS8600: Converting null literal or possible null value to non-nullable type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\Android\DependencyImplementation\DataAccessHelperAndroid.cs(327,82,327,127): warning CS8604: Possible null reference argument for parameter 'intent' in 'void MainActivity.StartActivity(Intent intent, Action<int, Result, Intent> resultCallback)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\Android\DependencyImplementation\DataAccessHelperAndroid.cs(332,74,332,82): warning CS8602: Dereference of a possibly null reference.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\Android\DependencyImplementation\DataAccessHelperAndroid.cs(332,74,332,95): warning CS8604: Possible null reference argument for parameter 'source' in 'string Enumerable.Last<string>(IEnumerable<string> source)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\Android\DependencyImplementation\DataAccessHelperAndroid.cs(333,30,333,54): warning CS8602: Dereference of a possibly null reference.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\Android\DependencyImplementation\DataAccessHelperAndroid.cs(333,30,333,70): warning CS8602: Dereference of a possibly null reference.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\Android\DependencyImplementation\DataAccessHelperAndroid.cs(334,38,334,44): warning CS8604: Possible null reference argument for parameter 'input' in 'byte[] DataAccessHelperAndroid.ReadFully(Stream input)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\Android\DependencyImplementation\DataAccessHelperAndroid.cs(343,20,343,24): warning CS8603: Possible null reference return.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\Android\DependencyImplementation\Firebase_Android.cs(93,28,93,32): warning CS8600: Converting null literal or possible null value to non-nullable type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\Android\DependencyImplementation\Firebase_Android.cs(102,20,102,25): warning CS8603: Possible null reference return.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\Android\DependencyImplementation\DataAccessHelperAndroid.cs(360,32,360,41): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\ArticleBookingEditViewModel.cs(163,16,163,43): warning CS8618: Non-nullable event 'PropertyChanged' must contain a non-null value when exiting constructor. Consider declaring the event as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\ArticleBookingEditViewModel.cs(163,16,163,43): warning CS8618: Non-nullable property 'DeleteArticleCommand' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\ArticleBookingEditViewModel.cs(163,16,163,43): warning CS8618: Non-nullable property 'OpenUnitPickerPageCommand' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\ArticleBookingEditViewModel.cs(163,16,163,43): warning CS8618: Non-nullable property 'SaveArticleChangesCommand' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\ArticleBookingEditViewModel.cs(163,16,163,43): warning CS8618: Non-nullable property 'OpenQuantityCalculatorCommand' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\ArticleBookingEditViewModel.cs(163,16,163,43): warning CS8618: Non-nullable field 'selectedArticle' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\ArticleBookingEditViewModel.cs(163,16,163,43): warning CS8618: Non-nullable field 'refreshArticleOverviewPageAction' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\ArticleBookingEditViewModel.cs(163,16,163,43): warning CS8618: Non-nullable field 'selectedAufgabe' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\ArticleBookingEditViewModel.cs(163,16,163,43): warning CS8618: Non-nullable field 'selectedArtikelMaterialAnforderung' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\ArticleBookingEditViewModel.cs(206,44,206,77): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\Android\DependencyImplementation\Firebase_Android.cs(83,24,83,37): warning CS8618: Non-nullable field 'firebaseToken' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\Android\DependencyImplementation\Firebase_Android.cs(84,46,84,55): warning CS8618: Non-nullable field '_tokenTcs' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\Android\DependencyImplementation\Firebase_Android.cs(86,43,86,57): warning CS8618: Non-nullable event 'OnTokenRefresh' must contain a non-null value when exiting constructor. Consider declaring the event as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\Android\DependencyImplementation\Firebase_Android.cs(87,48,87,65): warning CS8618: Non-nullable event 'OnMessageReceived' must contain a non-null value when exiting constructor. Consider declaring the event as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\Android\DependencyImplementation\Firebase_Android.cs(71,43,71,51): warning CS8618: Non-nullable field 'instance' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Module\Picker\EqualObjectsConverter.cs(27,28,27,38): warning CS8603: Possible null reference return.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Module\Picker\EqualObjectsConverter.cs(29,20,29,29): warning CS8603: Possible null reference return.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\ArticleBookingEditViewModel.cs(264,57,264,59): warning CS1998: This async method lacks 'await' operators and will run synchronously. Consider using the 'await' operator to await non-blocking API calls, or 'await Task.Run(...)' to do CPU-bound work on a background thread.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\Android\DependencyImplementation\DataAccessHelperAndroid.cs(453,46,453,50): warning CS8600: Converting null literal or possible null value to non-nullable type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\Android\DependencyImplementation\DataAccessHelperAndroid.cs(462,38,462,102): warning CS8600: Converting null literal or possible null value to non-nullable type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\ArticleBookingEditViewModel.cs(282,24,282,28): warning CS8603: Possible null reference return.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\ArticleBookingEditViewModel.cs(284,45,284,49): warning CS8600: Converting null literal or possible null value to non-nullable type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Module\AufgabeOverview\AufgabeOverview.cs(359,25,359,42): warning CS8602: Dereference of a possibly null reference.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Module\AufgabeOverview\AufgabeOverview.cs(372,28,372,32): warning CS8603: Possible null reference return.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\ArticleBookingEditViewModel.cs(317,23,317,29): warning CS0612: 'Device' is obsolete
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\ArticleBookingEditViewModel.cs(317,23,317,112): warning CS0618: 'Device.InvokeOnMainThreadAsync(Func<Task>)' is obsolete: 'Use BindableObject.Dispatcher.DispatchAsync() instead.'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\ArticleBookingEditViewModel.cs(317,106,317,110): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\Android\DependencyImplementation\Service\Home\Attachment\AttachmentDependency_Droid.cs(14,20,14,40): warning CS8602: Dereference of a possibly null reference.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\Android\DependencyImplementation\Service\Home\Attachment\AttachmentDependency_Droid.cs(22,13,22,26): warning CS8602: Dereference of a possibly null reference.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\Android\DependencyImplementation\Service\Home\Attachment\AttachmentDependency_Droid.cs(23,13,23,37): warning CS8602: Dereference of a possibly null reference.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\Android\DependencyImplementation\DataAccessHelperAndroid.cs(544,17,544,41): warning CS8602: Dereference of a possibly null reference.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\Android\DependencyImplementation\DataAccessHelperAndroid.cs(311,25,311,33): warning CS8618: Non-nullable field 'fdResult' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Module\AufgabeOverview\AufgabeOverview.cs(393,121,393,125): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Module\AufgabeOverview\AufgabeOverview.cs(394,111,394,115): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Module\AufgabeOverview\AufgabeOverview.cs(395,21,395,38): warning CS8618: Non-nullable property 'OnTapFunc' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\ArticleBookingEditViewModel.cs(399,19,399,25): warning CS0612: 'Device' is obsolete
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\ArticleBookingEditViewModel.cs(399,19,399,152): warning CS0618: 'Device.InvokeOnMainThreadAsync(Func<Task>)' is obsolete: 'Use BindableObject.Dispatcher.DispatchAsync() instead.'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\Android\DependencyImplementation\Service\Home\Attachment\AttachmentDependency_Droid.cs(45,37,45,58): warning CS8602: Dereference of a possibly null reference.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\Android\DependencyImplementation\Service\Home\Attachment\AttachmentDependency_Droid.cs(69,43,69,67): warning CS8602: Dereference of a possibly null reference.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\Android\DependencyImplementation\Service\Home\Attachment\AttachmentDependency_Droid.cs(69,43,69,82): warning CS8604: Possible null reference argument for parameter 'pm' in 'ComponentName? Intent.ResolveActivity(PackageManager pm)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\ArticleBookingEditViewModel.cs(434,19,434,25): warning CS0612: 'Device' is obsolete
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\ArticleBookingEditViewModel.cs(434,19,434,108): warning CS0618: 'Device.InvokeOnMainThreadAsync(Func<Task>)' is obsolete: 'Use BindableObject.Dispatcher.DispatchAsync() instead.'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\ArticleBookingEditViewModel.cs(410,87,410,91): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\ArticleBookingEditViewModel.cs(434,102,434,106): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\ArticleBookingEditViewModel.cs(453,19,453,25): warning CS0612: 'Device' is obsolete
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\ArticleBookingEditViewModel.cs(453,19,454,60): warning CS0618: 'Device.InvokeOnMainThreadAsync(Func<Task>)' is obsolete: 'Use BindableObject.Dispatcher.DispatchAsync() instead.'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\Android\DependencyImplementation\IUtility_Android.cs(22,55,22,79): warning CS8602: Dereference of a possibly null reference.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\Android\DependencyImplementation\IUtility_Android.cs(22,26,22,124): warning CS8600: Converting null literal or possible null value to non-nullable type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\Android\DependencyImplementation\IUtility_Android.cs(23,38,23,41): warning CS8604: Possible null reference argument for parameter 'bitmap' in 'byte[] IUtility_Android.ExportBitmapAsPNG(Bitmap bitmap, bool thumbNail)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\Android\DependencyImplementation\Print_Android.cs(66,44,66,64): warning CS8600: Converting null literal or possible null value to non-nullable type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\Android\DependencyImplementation\Print_Android.cs(67,45,67,55): warning CS8602: Dereference of a possibly null reference.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\Android\DependencyImplementation\Print_Android.cs(74,60,74,78): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\ArticleBookingEditViewModel.cs(502,27,502,39): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\Android\DependencyImplementation\IUtility_Android.cs(59,21,59,45): warning CS8602: Dereference of a possibly null reference.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\Android\DependencyImplementation\IUtility_Android.cs(62,21,62,45): warning CS8602: Dereference of a possibly null reference.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\Android\DependencyImplementation\IUtility_Android.cs(65,21,65,45): warning CS8602: Dereference of a possibly null reference.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\ArticleBookingOverviewContentView.xaml.cs(14,58,14,87): warning CS8603: Possible null reference return.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\Android\DependencyImplementation\Print_Android.cs(97,33,97,37): warning CS8600: Converting null literal or possible null value to non-nullable type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\Android\DependencyImplementation\Print_Android.cs(105,52,105,72): warning CS8600: Converting null literal or possible null value to non-nullable type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\Android\DependencyImplementation\Print_Android.cs(106,53,106,63): warning CS8602: Dereference of a possibly null reference.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\Android\DependencyImplementation\MobileStatusHelper_Android.cs(22,49,22,73): warning CS8602: Dereference of a possibly null reference.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\Android\DependencyImplementation\MobileStatusHelper_Android.cs(22,32,22,115): warning CS8600: Converting null literal or possible null value to non-nullable type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\Android\DependencyImplementation\MobileStatusHelper_Android.cs(22,32,22,115): warning CS8602: Dereference of a possibly null reference.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\Android\DependencyImplementation\Print_Android.cs(22,63,22,87): warning CS8602: Dereference of a possibly null reference.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\Android\DependencyImplementation\Print_Android.cs(22,49,22,126): warning CS8600: Converting null literal or possible null value to non-nullable type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\Android\DependencyImplementation\Print_Android.cs(24,21,24,33): warning CS8602: Dereference of a possibly null reference.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\Android\DependencyImplementation\Print_Android.cs(27,37,27,61): warning CS8604: Possible null reference argument for parameter 'context' in 'PrintHelper.PrintHelper(Context context)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\Android\DependencyImplementation\Print_Android.cs(27,85,27,119): warning CS8604: Possible null reference argument for parameter 'bitmap' in 'void PrintHelper.PrintBitmap(string jobName, Bitmap bitmap)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Module\AufgabeOverview\AufgabeOverview.cs(424,41,424,68): warning CS0618: 'LayoutOptions.FillAndExpand' is obsolete: 'The StackLayout expansion options are deprecated; please use a Grid instead.'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Module\AufgabeOverview\AufgabeOverview.cs(410,22,410,44): warning CS8618: Non-nullable property 'ItemData' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\ServerParserManagerM.cs(266,41,266,56): warning CS0618: 'MessagingCenter' is obsolete: 'We recommend migrating to `CommunityToolkit.MVVM.WeakReferenceMessenger`: https://www.nuget.org/packages/CommunityToolkit.Mvvm'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\ServerParserManagerM.cs(644,17,644,32): warning CS0618: 'MessagingCenter' is obsolete: 'We recommend migrating to `CommunityToolkit.MVVM.WeakReferenceMessenger`: https://www.nuget.org/packages/CommunityToolkit.Mvvm'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\ServerParserManagerM.cs(656,21,656,36): warning CS0618: 'MessagingCenter' is obsolete: 'We recommend migrating to `CommunityToolkit.MVVM.WeakReferenceMessenger`: https://www.nuget.org/packages/CommunityToolkit.Mvvm'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\ServerParserManagerM.cs(665,17,665,32): warning CS0618: 'MessagingCenter' is obsolete: 'We recommend migrating to `CommunityToolkit.MVVM.WeakReferenceMessenger`: https://www.nuget.org/packages/CommunityToolkit.Mvvm'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\ServerParserManagerM.cs(175,72,175,76): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\ServerParserManagerM.cs(215,62,215,66): warning CS8600: Converting null literal or possible null value to non-nullable type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\ServerParserManagerM.cs(227,45,227,127): warning CS8600: Converting null literal or possible null value to non-nullable type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\ServerParserManagerM.cs(228,76,228,77): warning CS8604: Possible null reference argument for parameter 'item' in 'void List<DokumentationsTextbaustein>.Add(DokumentationsTextbaustein item)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\ServerParserManagerM.cs(233,48,233,120): warning CS8600: Converting null literal or possible null value to non-nullable type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\ServerParserManagerM.cs(234,66,234,70): warning CS8604: Possible null reference argument for parameter 'item' in 'void List<Abwesenheitszeit>.Add(Abwesenheitszeit item)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\ServerParserManagerM.cs(239,47,239,118): warning CS8600: Converting null literal or possible null value to non-nullable type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\ServerParserManagerM.cs(240,65,240,68): warning CS8604: Possible null reference argument for parameter 'item' in 'void List<Abwesenheitsart>.Add(Abwesenheitsart item)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\ServerParserManagerM.cs(245,46,245,111): warning CS8600: Converting null literal or possible null value to non-nullable type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\ServerParserManagerM.cs(246,60,246,62): warning CS8604: Possible null reference argument for parameter 'item' in 'void List<Spesenart>.Add(Spesenart item)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\ServerParserManagerM.cs(264,45,264,109): warning CS8600: Converting null literal or possible null value to non-nullable type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\ServerParserManagerM.cs(265,59,265,60): warning CS8604: Possible null reference argument for parameter 'item' in 'void List<Personal>.Add(Personal item)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\ServerParserManagerM.cs(271,45,271,108): warning CS8600: Converting null literal or possible null value to non-nullable type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\ServerParserManagerM.cs(272,58,272,59): warning CS8604: Possible null reference argument for parameter 'item' in 'void List<Zeitart>.Add(Zeitart item)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\ServerParserManagerM.cs(277,45,277,111): warning CS8600: Converting null literal or possible null value to non-nullable type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\ServerParserManagerM.cs(278,61,278,62): warning CS8604: Possible null reference argument for parameter 'item' in 'void List<Taetigkeit>.Add(Taetigkeit item)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\ServerParserManagerM.cs(290,46,290,117): warning CS8600: Converting null literal or possible null value to non-nullable type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\ServerParserManagerM.cs(291,66,291,68): warning CS8604: Possible null reference argument for parameter 'item' in 'void List<AufgabePersonal>.Add(AufgabePersonal item)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\ServerParserManagerM.cs(296,46,296,112): warning CS8600: Converting null literal or possible null value to non-nullable type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\ServerParserManagerM.cs(297,61,297,63): warning CS8604: Possible null reference argument for parameter 'item' in 'void List<AufgabeArt>.Add(AufgabeArt item)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\ServerParserManagerM.cs(302,49,302,116): warning CS8600: Converting null literal or possible null value to non-nullable type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\ServerParserManagerM.cs(303,63,303,68): warning CS8604: Possible null reference argument for parameter 'item' in 'void List<Zeitbuchung>.Add(Zeitbuchung item)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\ServerParserManagerM.cs(308,52,308,122): warning CS8600: Converting null literal or possible null value to non-nullable type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\ServerParserManagerM.cs(309,41,309,49): warning CS8602: Dereference of a possibly null reference.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\ServerParserManagerM.cs(315,52,315,122): warning CS8600: Converting null literal or possible null value to non-nullable type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\ServerParserManagerM.cs(316,41,316,49): warning CS8602: Dereference of a possibly null reference.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\ServerParserManagerM.cs(322,52,322,122): warning CS8600: Converting null literal or possible null value to non-nullable type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\ServerParserManagerM.cs(323,41,323,49): warning CS8602: Dereference of a possibly null reference.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\ServerParserManagerM.cs(329,54,329,130): warning CS8600: Converting null literal or possible null value to non-nullable type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\ServerParserManagerM.cs(330,70,330,80): warning CS8604: Possible null reference argument for parameter 'item' in 'void List<ChecklistenGruppeArt>.Add(ChecklistenGruppeArt item)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\ServerParserManagerM.cs(335,54,335,126): warning CS8600: Converting null literal or possible null value to non-nullable type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\ServerParserManagerM.cs(336,41,336,51): warning CS8602: Dereference of a possibly null reference.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\ServerParserManagerM.cs(340,70,340,74): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\ServerParserManagerM.cs(346,54,346,131): warning CS8600: Converting null literal or possible null value to non-nullable type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\ServerParserManagerM.cs(348,45,348,55): warning CS8602: Dereference of a possibly null reference.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\ServerParserManagerM.cs(361,55,361,143): warning CS8600: Converting null literal or possible null value to non-nullable type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\ServerParserManagerM.cs(362,72,362,83): warning CS8604: Possible null reference argument for parameter 'item' in 'void List<ChecklistenEintragArtGruppenLink>.Add(ChecklistenEintragArtGruppenLink item)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\ServerParserManagerM.cs(470,55,470,59): warning CS8600: Converting null literal or possible null value to non-nullable type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\ServerParserManagerM.cs(490,33,490,61): warning CS8073: The result of the expression is always 'true' since a value of type 'DateTime' is never equal to 'null' of type 'DateTime?'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\ServerParserManagerM.cs(495,33,495,61): warning CS8073: The result of the expression is always 'true' since a value of type 'DateTime' is never equal to 'null' of type 'DateTime?'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\ServerParserManagerM.cs(97,27,97,38): warning CS1998: This async method lacks 'await' operators and will run synchronously. Consider using the 'await' operator to await non-blocking API calls, or 'await Task.Run(...)' to do CPU-bound work on a background thread.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\Android\DependencyImplementation\RemotePDFViewer_Android.cs(15,13,15,37): warning CS8602: Dereference of a possibly null reference.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Module\Picker\PickerViewModel.cs(26,16,26,31): warning CS8618: Non-nullable field 'searchPhrase' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Module\Picker\PickerViewModel.cs(26,16,26,31): warning CS8618: Non-nullable field 'triggerSearchTimer' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Module\Picker\PickerViewModel.cs(47,43,47,69): warning CS8622: Nullability of reference types in type of parameter 'sender' of 'void PickerViewModel.TriggerSearchTimer_Elapsed(object sender, ElapsedEventArgs e)' doesn't match the target delegate 'ElapsedEventHandler' (possibly because of nullability attributes).
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Module\Spesenart\SpesenartPage.cs(22,18,22,31): warning CS8618: Non-nullable property 'SpesenartCompletionSource' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Module\Spesenart\SpesenartPage.cs(45,53,45,57): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Module\Spesenart\SpesenartPage.cs(51,49,51,53): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Module\Spesenart\SpesenartPage.cs(51,55,51,59): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\Android\SyncManagerA.cs(84,17,84,33): warning CS0618: 'JobIntentService' is obsolete: 'This class is obsoleted in this android platform'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Module\Termine\TermineVorgangComboView.xaml.cs(48,17,48,23): warning CS0612: 'Device' is obsolete
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Module\Termine\TermineVorgangComboView.xaml.cs(48,17,48,87): warning CS0618: 'Device.BeginInvokeOnMainThread(Action)' is obsolete: 'Use BindableObject.Dispatcher.Dispatch() instead.'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Module\Termine\TermineVorgangComboView.xaml.cs(44,34,44,57): warning CS8602: Dereference of a possibly null reference.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Module\Termine\TermineVorgangComboView.xaml.cs(47,86,47,90): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Module\Termine\TermineVorgangComboView.xaml.cs(25,16,25,39): warning CS8618: Non-nullable property 'OnItemSelectedFunc' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Module\Termine\TermineVorgangComboView.xaml.cs(25,16,25,39): warning CS8618: Non-nullable property 'GetItemSelectedFunc' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Module\Termine\TermineVorgangComboView.xaml.cs(25,16,25,39): warning CS8618: Non-nullable property 'ContainingPage' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Module\Termine\TermineVorgangComboView.xaml.cs(60,20,60,79): warning CS8603: Possible null reference return.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Module\Termine\TerminListViewModel.cs(33,16,33,35): warning CS8618: Non-nullable field 'terminGroups' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Module\Termine\TerminListViewModel.cs(33,16,33,35): warning CS8618: Non-nullable field 'searchPhrase' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Module\Termine\TerminListViewModel.cs(33,16,33,35): warning CS8618: Non-nullable field 'allTermine' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Module\Termine\TerminListViewModel.cs(33,16,33,35): warning CS8618: Non-nullable property 'OnItemSelectedFunc' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Module\Termine\TerminListViewModel.cs(33,16,33,35): warning CS8618: Non-nullable property 'GetItemSelectedFunc' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Module\Spesenart\SpesenartPage.cs(126,39,126,66): warning CS0618: 'LayoutOptions.FillAndExpand' is obsolete: 'The StackLayout expansion options are deprecated; please use a Grid instead.'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Module\Spesenart\SpesenartPage.cs(191,51,191,63): warning CS8603: Possible null reference return.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Module\Spesenart\SpesenartPage.cs(193,84,193,108): warning CS8604: Possible null reference argument for parameter 'id' in 'Task<List<string>> FavSpesenartPref.SetIsFavAsync(string id, bool isFav)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Module\Spesenart\SpesenartPage.cs(194,43,194,54): warning CS8604: Possible null reference argument for parameter 'listData' in 'Task PageContentView.UpdateViewAsync(List<SpesenartData> listData, List<string> listFav)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Module\Spesenart\SpesenartPage.cs(121,22,121,37): warning CS8618: Non-nullable field 'listDataSrc' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Module\Spesenart\SpesenartPage.cs(121,22,121,37): warning CS8618: Non-nullable field 'listItemDataContainer' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Module\Spesenart\SpesenartPage.cs(121,22,121,37): warning CS8618: Non-nullable property 'ItemSelected' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Module\Spesenart\SpesenartPage.cs(121,22,121,37): warning CS8618: Non-nullable property 'ItemDataContainerToScrollTo' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Module\ZeitbuchungBemerkung\ZeitbuchungBemerkungContentView.xaml.cs(48,25,48,47): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Module\ZeitbuchungBemerkung\ZeitbuchungBemerkungContentView.xaml.cs(55,43,55,54): warning CS8602: Dereference of a possibly null reference.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Module\ZeitbuchungBemerkung\ZeitbuchungBemerkungContentView.xaml.cs(60,49,60,58): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Module\ZeitbuchungBemerkung\ZeitbuchungBemerkungContentView.xaml.cs(66,45,66,54): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Module\ZeitbuchungBemerkung\ZeitbuchungBemerkungContentView.xaml.cs(46,18,46,47): warning CS8618: Non-nullable event 'PropertyChanged' must contain a non-null value when exiting constructor. Consider declaring the event as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Module\ZeitbuchungBemerkung\ZeitbuchungBemerkungContentView.xaml.cs(46,18,46,47): warning CS8618: Non-nullable field 'bemerkung' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Module\ZeitbuchungBemerkung\ZeitbuchungBemerkungContentView.xaml.cs(46,18,46,47): warning CS8618: Non-nullable field 'charCountDisplay' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Module\ZeitbuchungBemerkung\ZeitbuchungBemerkungContentView.xaml.cs(46,18,46,47): warning CS8618: Non-nullable property 'CommandTextChanged' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Module\Spesenart\SpesenartPage.cs(204,47,204,51): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Module\Spesenart\SpesenartPage.cs(212,73,212,84): warning CS8604: Possible null reference argument for parameter 'item' in 'bool List<string>.Contains(string item)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Module\Spesenart\SpesenartPage.cs(83,48,83,77): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Module\Spesenart\SpesenartPage.cs(90,48,90,60): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Module\Termine\TerminListViewModel.cs(46,107,46,114): warning CS8629: Nullable value type may be null.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Module\Termine\TerminListViewModel.cs(63,42,63,54): warning CS8629: Nullable value type may be null.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Module\Termine\TerminListViewModel.cs(63,91,63,101): warning CS8629: Nullable value type may be null.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Module\Termine\TerminListViewModel.cs(69,62,69,64): warning CS1998: This async method lacks 'await' operators and will run synchronously. Consider using the 'await' operator to await non-blocking API calls, or 'await Task.Run(...)' to do CPU-bound work on a background thread.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\Android\Services\AlertedBackgroundService.cs(212,61,212,67): warning CS8604: Possible null reference argument for parameter 'collection' in 'void List<string>.AddRange(IEnumerable<string> collection)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\Android\Services\AlertedBackgroundService.cs(259,70,259,79): warning CS8604: Possible null reference argument for parameter 'item' in 'bool List<string>.Contains(string item)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\Android\Services\AlertedBackgroundService.cs(274,70,274,79): warning CS8604: Possible null reference argument for parameter 'item' in 'bool List<string>.Contains(string item)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\Android\Services\AlertedBackgroundService.cs(286,51,286,55): warning CS8600: Converting null literal or possible null value to non-nullable type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\Android\Services\AlertedBackgroundService.cs(299,41,299,45): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\Android\Services\AlertedBackgroundService.cs(316,32,316,44): warning CS8604: Possible null reference argument for parameter 'msg' in 'int Log.Error(string? tag, string msg)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Module\Spesenart\SpesenartPage.cs(320,125,320,129): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Module\Spesenart\SpesenartPage.cs(321,115,321,119): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Module\Spesenart\SpesenartPage.cs(322,25,322,42): warning CS8618: Non-nullable property 'OnTapFunc' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\ArticleBookingSelectionCatalogDataTemplateSelector.cs(5,29,5,44): warning CS8618: Non-nullable property 'CatalogTemplate' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\ArticleBookingSelectionCatalogDataTemplateSelector.cs(6,29,6,51): warning CS8618: Non-nullable property 'ManageCatalogsTemplate' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Module\Spesenart\SpesenartPage.cs(286,29,286,46): warning CS8602: Dereference of a possibly null reference.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Module\ZeitbuchungBemerkung\ZeitbuchungBemerkungPage.cs(25,34,25,55): warning CS8604: Possible null reference argument for parameter 'item' in 'void List<string>.Add(string item)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Module\Spesenart\SpesenartPage.cs(299,32,299,36): warning CS8603: Possible null reference return.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\Android\Services\AlertedBackgroundService.cs(383,39,383,109): warning CS8600: Converting null literal or possible null value to non-nullable type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\Android\Services\AlertedBackgroundService.cs(386,47,386,53): warning CS8602: Dereference of a possibly null reference.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\Android\Services\AlertedBackgroundService.cs(388,55,388,102): warning CS8600: Converting null literal or possible null value to non-nullable type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\Android\Services\AlertedBackgroundService.cs(399,61,399,65): warning CS8600: Converting null literal or possible null value to non-nullable type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\Android\Services\AlertedBackgroundService.cs(433,56,433,70): warning CS8604: Possible null reference argument for parameter 'g' in 'Guid.Guid(string g)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Module\Spesenart\SpesenartPage.cs(457,25,457,31): warning CS0612: 'Device' is obsolete
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Module\Spesenart\SpesenartPage.cs(457,25,457,86): warning CS0618: 'Device.InvokeOnMainThreadAsync<T>(Func<T>)' is obsolete: 'Use BindableObject.Dispatcher.DispatchAsync() instead.'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Module\Spesenart\SpesenartPage.cs(457,25,457,86): warning CS4014: Because this call is not awaited, execution of the current method continues before the call is completed. Consider applying the 'await' operator to the result of the call.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Module\Spesenart\SpesenartPage.cs(468,45,468,72): warning CS0618: 'LayoutOptions.FillAndExpand' is obsolete: 'The StackLayout expansion options are deprecated; please use a Grid instead.'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Module\Spesenart\SpesenartPage.cs(477,45,477,72): warning CS0618: 'LayoutOptions.FillAndExpand' is obsolete: 'The StackLayout expansion options are deprecated; please use a Grid instead.'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Module\Spesenart\SpesenartPage.cs(486,45,486,72): warning CS0618: 'LayoutOptions.FillAndExpand' is obsolete: 'The StackLayout expansion options are deprecated; please use a Grid instead.'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Module\Spesenart\SpesenartPage.cs(394,26,394,42): warning CS8618: Non-nullable field 'listItemData' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Module\ZeitbuchungStart\ZeitbuchungStartCache.cs(16,39,16,43): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Module\ZeitbuchungStart\ZeitbuchungStartCache.cs(17,44,17,48): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Module\ZeitbuchungStart\ZeitbuchungStartCache.cs(18,42,18,46): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Module\ZeitbuchungStart\ZeitbuchungStartCache.cs(9,53,9,76): warning CS8618: Non-nullable property 'AufgabeOverviewSelected' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Module\ZeitbuchungStart\ZeitbuchungStartCache.cs(10,58,10,86): warning CS8618: Non-nullable property 'ArbeitspaketOverviewSelected' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Module\ZeitbuchungStart\ZeitbuchungStartCache.cs(11,56,11,82): warning CS8618: Non-nullable property 'TaetigkeitOverviewSelected' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\Android\SyncManagerA.cs(94,55,94,72): warning CS8618: Non-nullable property 'BackgroundService' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\Android\SyncManagerA.cs(95,37,95,44): warning CS8618: Non-nullable property 'Session' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Module\Spesenart\SpesenartPage.cs(535,46,535,50): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Module\ZeitbuchungStart\ZeitbuchungStartPage.cs(31,43,31,70): warning CS0618: 'LayoutOptions.FillAndExpand' is obsolete: 'The StackLayout expansion options are deprecated; please use a Grid instead.'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Module\ZeitbuchungStart\ZeitbuchungStartContentView.xaml.cs(54,50,54,87): warning CS8603: Possible null reference return.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\OffeneMonteurberichte\NotNullOrEmptyConverter.cs(20,20,20,24): warning CS8603: Possible null reference return.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Module\ZeitbuchungStart\ZeitbuchungStartContentView.xaml.cs(58,55,58,97): warning CS8603: Possible null reference return.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Module\Spesenart\SpesenartPage.cs(350,45,350,72): warning CS0618: 'LayoutOptions.FillAndExpand' is obsolete: 'The StackLayout expansion options are deprecated; please use a Grid instead.'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Module\Spesenart\SpesenartPage.cs(336,26,336,48): warning CS8618: Non-nullable property 'ItemData' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Module\ZeitbuchungStart\ZeitbuchungStartContentView.xaml.cs(64,53,64,93): warning CS8603: Possible null reference return.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\Android\Services\AlertedBackgroundService.cs(473,78,473,82): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\Android\Services\AlertedBackgroundService.cs(511,60,511,130): warning CS8600: Converting null literal or possible null value to non-nullable type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\Android\Services\AlertedBackgroundService.cs(513,55,513,66): warning CS8602: Dereference of a possibly null reference.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\Android\Services\AlertedBackgroundService.cs(515,61,515,106): warning CS8600: Converting null literal or possible null value to non-nullable type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\Android\Services\AlertedBackgroundService.cs(516,78,516,81): warning CS8604: Possible null reference argument for parameter 'businessObject' in 'void PropertyChangeSetRepository.Delete(PropertyChangeSet businessObject)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\Android\Services\AlertedBackgroundService.cs(535,64,535,68): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\Android\Services\AlertedBackgroundService.cs(542,60,542,64): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\Android\Services\AlertedBackgroundService.cs(482,29,482,61): warning CS8073: The result of the expression is always 'true' since a value of type 'DateTime' is never equal to 'null' of type 'DateTime?'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\Android\Services\AlertedBackgroundService.cs(584,89,584,96): warning CS8604: Possible null reference argument for parameter 'businessObjectId' in 'List<EventNotification> EventNotificationRepository.GetByBusinessObjectId(string businessObjectId, DateTime? datumsfilter = null)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\Android\Services\AlertedBackgroundService.cs(633,20,633,24): warning CS8603: Possible null reference return.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\Android\Services\AlertedBackgroundService.cs(35,31,35,42): warning CS8618: Non-nullable property 'LastContext' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\Android\Services\AlertedBackgroundService.cs(36,24,36,37): warning CS8618: Non-nullable property 'CurrentIntent' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\Android\Services\AlertedBackgroundService.cs(38,41,38,62): warning CS8618: Non-nullable field 'PropertyChangeSetList' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\Android\Services\AlertedBackgroundService.cs(39,43,39,50): warning CS8618: Non-nullable field 'changes' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\Android\Services\AlertedBackgroundService.cs(41,37,41,44): warning CS8618: Non-nullable field 'connman' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\Android\Services\AlertedBackgroundService.cs(45,40,45,60): warning CS8618: Non-nullable field 'BackgroundConnection' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\Android\Services\AlertedBackgroundService.cs(46,40,46,64): warning CS8618: Non-nullable field 'BackgroundReadConnection' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\Android\Services\AlertedBackgroundService.cs(371,37,371,48): warning CS8618: Non-nullable property 'ContextList' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Picker\PickerPage.cs(26,46,26,50): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Picker\PickerPage.cs(43,31,43,35): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\SideMenu\AbholIdent\LieferantenAuswahl\Lieferant.cs(19,16,19,25): warning CS8618: Non-nullable field 'name' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\SideMenu\AbholIdent\LieferantenAuswahl\Lieferant.cs(19,16,19,25): warning CS8618: Non-nullable field 'image' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\ArticleBookingSelectionFromCatalogContentView.xaml.cs(13,43,13,69): warning CS8622: Nullability of reference types in type of parameter 'sender' of 'void ArticleBookingSelectionFromCatalogContentView.BackButton_PropertyChanged(object sender, PropertyChangedEventArgs e)' doesn't match the target delegate 'PropertyChangedEventHandler' (possibly because of nullability attributes).
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Picker\PickerPage.cs(128,39,128,66): warning CS0618: 'LayoutOptions.FillAndExpand' is obsolete: 'The StackLayout expansion options are deprecated; please use a Grid instead.'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Picker\PickerPage.cs(142,66,142,78): warning CS8603: Possible null reference return.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Picker\PickerPage.cs(123,22,123,37): warning CS8618: Non-nullable field 'listItemDataContainer' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Picker\PickerPage.cs(123,22,123,37): warning CS8618: Non-nullable property 'ItemSelected' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Picker\PickerPage.cs(123,22,123,37): warning CS8618: Non-nullable property 'ItemDataContainerToScrollTo' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\OffeneMonteurberichte\OffeneMonteurberichteViewModel.cs(40,103,40,128): warning CS8604: Possible null reference argument for parameter 'aufgabeBuchungsId' in 'int ArtikelbuchungRepository.GetArtikelbuchungenCountFromAufgabe(string aufgabeBuchungsId, bool? istUnterschrieben = null, Anlage filterAnlage = null)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\OffeneMonteurberichte\OffeneMonteurberichteViewModel.cs(46,76,46,101): warning CS8629: Nullable value type may be null.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\OffeneMonteurberichte\OffeneMonteurberichteViewModel.cs(62,33,62,112): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\OffeneMonteurberichte\OffeneMonteurberichteViewModel.cs(64,35,64,58): warning CS8602: Dereference of a possibly null reference.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\OffeneMonteurberichte\OffeneMonteurberichteViewModel.cs(75,99,75,109): warning CS8604: Possible null reference argument for parameter 'id' in 'Task<AufgabeData?> DbAufgabeData.GetById(string id)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\OffeneMonteurberichte\OffeneMonteurberichteViewModel.cs(75,71,75,110): warning CS8604: Possible null reference argument for parameter 'selectedAufgabeData' in 'VorgangsPage.VorgangsPage(AufgabeData selectedAufgabeData, TerminData termin, bool zeitenShortcut = false)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\OffeneMonteurberichte\OffeneMonteurberichteViewModel.cs(75,112,75,116): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Picker\PickerPage.cs(148,47,148,51): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Picker\PickerPage.cs(75,48,75,77): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Module\ZeitbuchungStart\ZeitbuchungStartContentView.xaml.cs(93,42,93,65): warning CS8602: Dereference of a possibly null reference.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Module\ZeitbuchungStart\ZeitbuchungStartContentView.xaml.cs(98,119,98,173): warning CS8620: Argument of type 'IEnumerable<string?>' cannot be used for parameter 'preselectedPersonal' of type 'IEnumerable<string>' in 'GroupSelectionPage.GroupSelectionPage(string title, IEnumerable<string> preselectedPersonal, Func<List<PersonalData>, Task> onItemSelectedFunc = null)' due to differences in the nullability of reference types.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Module\ZeitbuchungStart\ZeitbuchungStartContentView.xaml.cs(113,114,113,124): warning CS8604: Possible null reference argument for parameter 'aufgabeParentId' in 'Task<List<ArbeitspaketOverviewData>> DbArbeitspaketOverviewData.GetListAllOrderByBezeichnungAscAsync(string aufgabeParentId)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Module\ZeitbuchungStart\ZeitbuchungStartContentView.xaml.cs(121,74,121,78): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Module\ZeitbuchungStart\ZeitbuchungStartContentView.xaml.cs(127,209,127,213): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Module\ZeitbuchungStart\ZeitbuchungStartContentView.xaml.cs(188,21,188,36): warning CS8604: Possible null reference argument for parameter 'items' in 'Task<object> IPickerManager.SelectItemModal(string title, IEnumerable<object> items, DataTemplate dataTemplate, object preSelection = null, SearchOptions? searchOptions = null, FavouriteOptions? favouriteOptions = null, string emptyListMessage = null)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Module\ZeitbuchungStart\ZeitbuchungStartContentView.xaml.cs(209,68,209,84): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Module\ZeitbuchungStart\ZeitbuchungStartContentView.xaml.cs(210,46,210,94): warning CS8604: Possible null reference argument for parameter 'taetigkeitOverviewData' in 'void ZeitbuchungStartViewModel.UpdateTaetigkeitOverviewData(TaetigkeitOverviewData taetigkeitOverviewData)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Module\ZeitbuchungStart\ZeitbuchungStartContentView.xaml.cs(217,171,217,175): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Module\ZeitbuchungStart\ZeitbuchungStartContentView.xaml.cs(226,121,226,138): warning CS8604: Possible null reference argument for parameter 'aufgabeBuchungsId' in 'Task AufgabenEchtzeit.BookBeginGroup(List<PersonalData> listPersonalData, string aufgabeBuchungsId, TaetigkeitOverviewData taetigkeitOverviewData, string bemerkung)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Module\ZeitbuchungStart\ZeitbuchungStartContentView.xaml.cs(228,84,228,101): warning CS8604: Possible null reference argument for parameter 'aufgabeBuchungsId' in 'Task AufgabenEchtzeit.BookBeginSingle(string aufgabeBuchungsId, TaetigkeitOverviewData taetigkeitOverviewData, string bemerkung)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Module\ZeitbuchungStart\ZeitbuchungStartContentView.xaml.cs(217,109,217,113): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Module\ZeitbuchungStart\ZeitbuchungStartContentView.xaml.cs(143,21,143,37): warning CS8602: Dereference of a possibly null reference.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Module\ZeitbuchungStart\ZeitbuchungStartContentView.xaml.cs(173,51,173,92): warning CS8603: Possible null reference return.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Module\ZeitbuchungStart\ZeitbuchungStartContentView.xaml.cs(176,70,176,83): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Module\ZeitbuchungStart\ZeitbuchungStartContentView.xaml.cs(177,48,177,61): warning CS8604: Possible null reference argument for parameter 'arbeitspaketOverviewData' in 'void ZeitbuchungStartViewModel.UpdateArbeitspaketOverviewData(ArbeitspaketOverviewData arbeitspaketOverviewData)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Module\ZeitbuchungStart\ZeitbuchungStartContentView.xaml.cs(91,16,91,41): warning CS8618: Non-nullable field 'entryTextNote' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Module\ZeitbuchungStart\ZeitbuchungStartContentView.xaml.cs(91,16,91,41): warning CS8618: Non-nullable property 'AufgabeOverviewData' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Module\ZeitbuchungStart\ZeitbuchungStartContentView.xaml.cs(91,16,91,41): warning CS8618: Non-nullable property 'ArbeitspaketOverviewData' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Module\ZeitbuchungStart\ZeitbuchungStartContentView.xaml.cs(91,16,91,41): warning CS8618: Non-nullable property 'TaetigkeitOverviewData' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Module\ZeitbuchungStart\ZeitbuchungStartContentView.xaml.cs(91,16,91,41): warning CS8618: Non-nullable property 'OnZeitbuchungStarted' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Module\ZeitbuchungStart\ZeitbuchungStartContentView.xaml.cs(91,16,91,41): warning CS8618: Non-nullable property 'Note' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Module\ZeitbuchungStart\ZeitbuchungStartContentView.xaml.cs(91,16,91,41): warning CS8618: Non-nullable field 'allArbeitspakete' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Module\ZeitbuchungStart\ZeitbuchungStartContentView.xaml.cs(91,16,91,41): warning CS8618: Non-nullable field 'allTaetigkeiten' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\SideMenu\AbholIdent\LieferantenAuswahl\LieferantenAuswahlViewModel.cs(20,16,20,43): warning CS8618: Non-nullable field 'lieferanten' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Module\ZeitbuchungStart\ZeitbuchungStartContentView.xaml.cs(243,44,243,68): warning CS8604: Possible null reference argument for parameter 'arbeitspaketOverviewData' in 'void ZeitbuchungStartViewModel.UpdateArbeitspaketOverviewData(ArbeitspaketOverviewData arbeitspaketOverviewData)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Module\ZeitbuchungStart\ZeitbuchungStartContentView.xaml.cs(274,102,274,151): warning CS8604: Possible null reference argument for parameter 'aufgabeParentId' in 'Task<List<ArbeitspaketOverviewData>> DbArbeitspaketOverviewData.GetListAllOrderByPrefManagerAscAsync(string aufgabeParentId)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Picker\PickerPage.cs(258,125,258,129): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Picker\PickerPage.cs(259,115,259,119): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Picker\PickerPage.cs(260,25,260,42): warning CS8618: Non-nullable property 'OnTapFunc' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Picker\PickerPage.cs(224,29,224,46): warning CS8602: Dereference of a possibly null reference.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\SideMenu\AbholIdent\QRAnsicht\Ident.cs(10,20,10,30): warning CS8603: Possible null reference return.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Picker\PickerPage.cs(237,32,237,36): warning CS8603: Possible null reference return.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\SideMenu\AbholIdent\QRAnsicht\Ident.cs(22,23,22,30): warning CS8618: Non-nullable property 'Version' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\SideMenu\AbholIdent\QRAnsicht\Ident.cs(23,23,23,27): warning CS8618: Non-nullable property 'Kdnr' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\SideMenu\AbholIdent\QRAnsicht\Ident.cs(24,23,24,26): warning CS8618: Non-nullable property 'GLN' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\SideMenu\AbholIdent\QRAnsicht\Ident.cs(25,23,25,27): warning CS8618: Non-nullable property 'HaNa' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\SideMenu\AbholIdent\QRAnsicht\Ident.cs(26,23,26,27): warning CS8618: Non-nullable property 'MaNa' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\SideMenu\AbholIdent\QRAnsicht\Ident.cs(27,23,27,28): warning CS8618: Non-nullable property 'BstNr' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\SideMenu\AbholIdent\QRAnsicht\Ident.cs(28,23,28,28): warning CS8618: Non-nullable property 'VrgNr' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\SideMenu\AbholIdent\QRAnsicht\Ident.cs(29,23,29,28): warning CS8618: Non-nullable property 'PrjId' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\SideMenu\AbholIdent\QRAnsicht\Ident.cs(30,23,30,28): warning CS8618: Non-nullable property 'PrjNa' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\SideMenu\AbholIdent\QRAnsicht\Ident.cs(31,23,31,29): warning CS8618: Non-nullable property 'DktArt' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\SideMenu\AbholIdent\QRAnsicht\Ident.cs(32,23,32,28): warning CS8618: Non-nullable property 'DktId' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\SideMenu\AbholIdent\QRAnsicht\Ident.cs(33,23,33,28): warning CS8618: Non-nullable property 'Datum' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\SideMenu\AbholIdent\QRAnsicht\Ident.cs(34,23,34,30): warning CS8618: Non-nullable property 'ExpDate' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\SideMenu\AbholIdent\QRAnsicht\Ident.cs(35,23,35,29): warning CS8618: Non-nullable property 'SoftNa' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\SideMenu\AbholIdent\QRAnsicht\Ident.cs(36,23,36,29): warning CS8618: Non-nullable property 'SoftVe' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Picker\PickerPage.cs(288,45,288,72): warning CS0618: 'LayoutOptions.FillAndExpand' is obsolete: 'The StackLayout expansion options are deprecated; please use a Grid instead.'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Picker\PickerPage.cs(274,26,274,48): warning CS8618: Non-nullable property 'ItemData' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\SideMenu\AbholIdent\QRAnsicht\AbholIdentViewModel.cs(53,92,53,97): warning CS8604: Possible null reference argument for parameter 'ident' in 'AbholIdentKlartext.AbholIdentKlartext(Lieferant lieferant, Ident ident)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\SideMenu\AbholIdent\QRAnsicht\AbholIdentViewModel.cs(61,52,61,56): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\SideMenu\AbholIdent\QRAnsicht\AbholIdentViewModel.cs(62,33,62,44): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\SideMenu\AbholIdent\QRAnsicht\AbholIdentViewModel.cs(63,42,63,58): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\SideMenu\AbholIdent\QRAnsicht\AbholIdentViewModel.cs(69,33,69,37): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\SideMenu\AbholIdent\QRAnsicht\AbholIdentViewModel.cs(70,42,70,46): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\SideMenu\AbholIdent\QRAnsicht\AbholIdentViewModel.cs(48,16,48,35): warning CS8618: Non-nullable field 'vorgangId' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\SideMenu\AbholIdent\QRAnsicht\AbholIdentViewModel.cs(48,16,48,35): warning CS8618: Non-nullable field 'vorgangBezeichnung' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\SideMenu\AbholIdent\QRAnsicht\AbholIdentViewModel.cs(48,16,48,35): warning CS8618: Non-nullable field 'ident' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\SideMenu\AbholIdent\QRAnsicht\AbholIdentViewModel.cs(48,16,48,35): warning CS8618: Non-nullable field 'qrCode' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\SideMenu\AbholIdent\QRAnsicht\AbholIdentViewModel.cs(48,16,48,35): warning CS8618: Non-nullable field 'openKlartextPage' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\SideMenu\BuchungOverview\BuchungOverviewModelRD.cs(33,16,33,36): warning CS8618: Non-nullable field 'mitarbeiterLists' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\SideMenu\BuchungOverview\BuchungOverviewModelRD.cs(33,16,33,36): warning CS8618: Non-nullable field 'zeitartenIdsWeighted' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\SideMenu\BuchungOverview\BuchungOverviewModelRD.cs(371,16,371,30): warning CS8618: Non-nullable property 'AufgabeDisplay' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\SideMenu\BuchungOverview\BuchungOverviewModelRD.cs(371,16,371,30): warning CS8618: Non-nullable property 'Info' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\SideMenu\BuchungOverview\BuchungOverviewModelRD.cs(371,16,371,30): warning CS8618: Non-nullable property 'OnTapped' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\SideMenu\BuchungOverview\BuchungOverviewModelRD.cs(371,16,371,30): warning CS8618: Non-nullable property 'ZeitDisplay' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\SideMenu\BuchungOverview\BuchungOverviewPage.cs(33,33,33,39): warning CS0612: 'Device' is obsolete
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\SideMenu\BuchungOverview\BuchungOverviewPage.cs(33,33,33,112): warning CS0618: 'Device.InvokeOnMainThreadAsync(Func<Task>)' is obsolete: 'Use BindableObject.Dispatcher.DispatchAsync() instead.'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\SideMenu\BuchungOverview\BuchungOverviewPage.cs(33,33,33,112): warning CS4014: Because this call is not awaited, execution of the current method continues before the call is completed. Consider applying the 'await' operator to the result of the call.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\SideMenu\BuchungOverview\BuchungOverviewPage.cs(34,33,34,39): warning CS0612: 'Device' is obsolete
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\SideMenu\BuchungOverview\BuchungOverviewPage.cs(34,33,34,111): warning CS0618: 'Device.InvokeOnMainThreadAsync(Func<Task>)' is obsolete: 'Use BindableObject.Dispatcher.DispatchAsync() instead.'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\SideMenu\BuchungOverview\BuchungOverviewPage.cs(34,33,34,111): warning CS4014: Because this call is not awaited, execution of the current method continues before the call is completed. Consider applying the 'await' operator to the result of the call.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\SideMenu\BuchungOverview\BuchungOverviewPage.cs(33,30,33,32): warning CS1998: This async method lacks 'await' operators and will run synchronously. Consider using the 'await' operator to await non-blocking API calls, or 'await Task.Run(...)' to do CPU-bound work on a background thread.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\SideMenu\BuchungOverview\BuchungOverviewPage.cs(34,30,34,32): warning CS1998: This async method lacks 'await' operators and will run synchronously. Consider using the 'await' operator to await non-blocking API calls, or 'await Task.Run(...)' to do CPU-bound work on a background thread.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\SideMenu\BuchungOverview\BuchungOverviewModelRD.cs(60,23,60,43): warning CS8602: Dereference of a possibly null reference.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\SideMenu\BuchungOverview\BuchungOverviewModelRD.cs(62,23,62,45): warning CS8602: Dereference of a possibly null reference.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\SideMenu\BuchungOverview\BuchungOverviewModelRD.cs(70,23,70,45): warning CS8602: Dereference of a possibly null reference.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\SideMenu\Settings\ChangePasswordViewModel.cs(54,18,54,41): warning CS8618: Non-nullable property 'OldPassword' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\SideMenu\Settings\ChangePasswordViewModel.cs(54,18,54,41): warning CS8618: Non-nullable property 'NewPassword' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\SideMenu\Settings\ChangePasswordViewModel.cs(54,18,54,41): warning CS8618: Non-nullable property 'ConfirmNewPassword' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\SideMenu\Settings\ChangePasswordViewModel.cs(128,29,128,52): warning CS8602: Dereference of a possibly null reference.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\SideMenu\Settings\ChangePasswordViewModel.cs(135,71,135,75): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\SideMenu\Settings\ChangePasswordViewModel.cs(188,71,188,75): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Module\AufgabeOverview\AufgabeOverview.cs(534,21,534,27): warning CS0612: 'Device' is obsolete
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Module\AufgabeOverview\AufgabeOverview.cs(534,21,534,82): warning CS0618: 'Device.InvokeOnMainThreadAsync<T>(Func<T>)' is obsolete: 'Use BindableObject.Dispatcher.DispatchAsync() instead.'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Module\AufgabeOverview\AufgabeOverview.cs(534,21,534,82): warning CS4014: Because this call is not awaited, execution of the current method continues before the call is completed. Consider applying the 'await' operator to the result of the call.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Module\AufgabeOverview\AufgabeOverview.cs(544,41,544,68): warning CS0618: 'LayoutOptions.FillAndExpand' is obsolete: 'The StackLayout expansion options are deprecated; please use a Grid instead.'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Module\AufgabeOverview\AufgabeOverview.cs(554,41,554,68): warning CS0618: 'LayoutOptions.FillAndExpand' is obsolete: 'The StackLayout expansion options are deprecated; please use a Grid instead.'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Module\AufgabeOverview\AufgabeOverview.cs(562,41,562,68): warning CS0618: 'LayoutOptions.FillAndExpand' is obsolete: 'The StackLayout expansion options are deprecated; please use a Grid instead.'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Module\AufgabeOverview\AufgabeOverview.cs(471,22,471,38): warning CS8618: Non-nullable field 'listItemData' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Module\AufgabeOverview\AufgabeOverview.cs(657,42,657,46): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Module\AufgabeOverview\AufgabeOverview.cs(644,28,644,32): warning CS8603: Possible null reference return.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Module\AufgabeOverview\AufgabeOverview.cs(632,32,632,36): warning CS8603: Possible null reference return.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\DiagnosticDataManager\DiagnosticDataManager.cs(220,86,220,94): warning CS8602: Dereference of a possibly null reference.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\DiagnosticDataManager\DiagnosticDataManager.cs(227,21,227,39): warning CS8602: Dereference of a possibly null reference.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\Android\SyncManagerA.cs(280,69,280,75): warning CS8604: Possible null reference argument for parameter 'collection' in 'void List<string>.AddRange(IEnumerable<string> collection)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\Android\SyncManagerA.cs(326,78,326,87): warning CS8604: Possible null reference argument for parameter 'item' in 'bool List<string>.Contains(string item)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\Android\SyncManagerA.cs(341,78,341,87): warning CS8604: Possible null reference argument for parameter 'item' in 'bool List<string>.Contains(string item)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\Android\SyncManagerA.cs(353,59,353,63): warning CS8600: Converting null literal or possible null value to non-nullable type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\Android\SyncManagerA.cs(366,49,366,53): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\Android\SyncManagerA.cs(383,40,383,52): warning CS8604: Possible null reference argument for parameter 'msg' in 'int Log.Error(string? tag, string msg)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\Android\SyncManagerA.cs(402,47,402,117): warning CS8600: Converting null literal or possible null value to non-nullable type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\Android\SyncManagerA.cs(405,55,405,61): warning CS8602: Dereference of a possibly null reference.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\Android\SyncManagerA.cs(407,63,407,110): warning CS8600: Converting null literal or possible null value to non-nullable type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\Android\SyncManagerA.cs(418,69,418,73): warning CS8600: Converting null literal or possible null value to non-nullable type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\Android\SyncManagerA.cs(452,64,452,78): warning CS8604: Possible null reference argument for parameter 'g' in 'Guid.Guid(string g)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\Android\SyncManagerA.cs(500,86,500,90): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\Android\SyncManagerA.cs(508,72,508,76): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\Android\SyncManagerA.cs(540,68,540,138): warning CS8600: Converting null literal or possible null value to non-nullable type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\Android\SyncManagerA.cs(542,63,542,74): warning CS8602: Dereference of a possibly null reference.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\Android\SyncManagerA.cs(544,69,544,114): warning CS8600: Converting null literal or possible null value to non-nullable type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\Android\SyncManagerA.cs(545,86,545,89): warning CS8604: Possible null reference argument for parameter 'businessObject' in 'void PropertyChangeSetRepository.Delete(PropertyChangeSet businessObject)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\Android\SyncManagerA.cs(564,72,564,76): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\Android\SyncManagerA.cs(571,68,571,72): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\Android\SyncManagerA.cs(578,64,578,68): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\Android\SyncManagerA.cs(515,37,515,69): warning CS8073: The result of the expression is always 'true' since a value of type 'DateTime' is never equal to 'null' of type 'DateTime?'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\Android\SyncManagerA.cs(574,38,574,40): warning CS0168: The variable 'ex' is declared but never used
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\Android\SyncManagerA.cs(616,97,616,104): warning CS8604: Possible null reference argument for parameter 'businessObjectId' in 'List<EventNotification> EventNotificationRepository.GetByBusinessObjectId(string businessObjectId, DateTime? datumsfilter = null)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\ArticleBookingOverviewViewModel.cs(52,16,52,47): warning CS8618: Non-nullable field 'bookedArticleCollection' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\ArticleBookingOverviewViewModel.cs(52,16,52,47): warning CS8618: Non-nullable field 'refreshTitleBar' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\ArticleBookingOverviewViewModel.cs(83,71,83,109): warning CS8604: Possible null reference argument for parameter 'aufgabeBuchungsId' in 'List<ArtikelBuchung> ArtikelbuchungRepository.GetArtikelbuchungenFromAufgabe(string aufgabeBuchungsId, bool? istUnterschrieben = null, Anlage filterAnlage = null)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\ArticleBookingOverviewViewModel.cs(140,19,140,25): warning CS0612: 'Device' is obsolete
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\ArticleBookingOverviewViewModel.cs(140,19,140,109): warning CS0618: 'Device.InvokeOnMainThreadAsync(Func<Task>)' is obsolete: 'Use BindableObject.Dispatcher.DispatchAsync() instead.'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\ArticleBookingOverviewViewModel.cs(147,19,147,25): warning CS0612: 'Device' is obsolete
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\ArticleBookingOverviewViewModel.cs(147,19,147,109): warning CS0618: 'Device.InvokeOnMainThreadAsync(Func<Task>)' is obsolete: 'Use BindableObject.Dispatcher.DispatchAsync() instead.'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Module\Picker\PickerViewDataTemplateFactory.cs(76,88,76,145): warning CS8604: Possible null reference argument for parameter 'subTitleBinding' in 'DataTemplate PickerViewDataTemplateFactory.CreateDefaultTemplate(IEnumerable<BindingBase> mainTitleBindings, BindingBase subTitleBinding = null, BindingBase iconBinding = null, ImageSource imageSource = null, bool withDeselection = false, bool withFavourites = false)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Module\Picker\PickerViewDataTemplateFactory.cs(76,147,76,196): warning CS8604: Possible null reference argument for parameter 'iconBinding' in 'DataTemplate PickerViewDataTemplateFactory.CreateDefaultTemplate(IEnumerable<BindingBase> mainTitleBindings, BindingBase subTitleBinding = null, BindingBase iconBinding = null, ImageSource imageSource = null, bool withDeselection = false, bool withFavourites = false)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\ServerParserManagerM.cs(680,84,680,105): warning CS8604: Possible null reference argument for parameter 'aufgabeBuchungsId' in 'List<ArtikelBuchung> ArtikelbuchungRepository.GetArtikelbuchungenFromAufgabe(string aufgabeBuchungsId, bool? istUnterschrieben = null, Anlage filterAnlage = null)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\ServerParserManagerM.cs(686,36,686,42): warning CS8600: Converting null literal or possible null value to non-nullable type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Module\Picker\PickerViewModel.cs(99,21,99,125): warning CS8604: Possible null reference argument for parameter 'itemKey' in 'Task IPrefManager.SetPickerFavourite(string listKey, string itemKey, bool val)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\ServerParserManagerM.cs(713,101,713,122): warning CS8604: Possible null reference argument for parameter 'aufgabeBuchungsId' in 'List<Zeitbuchung> ZeitbuchungRepository.GibAlleNichtGesperrtenAufgabenBuchungenVonAufgabe(string aufgabeBuchungsId)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\ServerParserManagerM.cs(716,32,716,38): warning CS8600: Converting null literal or possible null value to non-nullable type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Module\Picker\PickerViewModel.cs(109,21,109,125): warning CS8604: Possible null reference argument for parameter 'itemKey' in 'Task<bool> IPrefManager.GetPickerFavourite(string listKey, string itemKey)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\ServerParserManagerM.cs(767,39,767,43): warning CS8600: Converting null literal or possible null value to non-nullable type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\ServerParserManagerM.cs(768,48,768,72): warning CS8604: Possible null reference argument for parameter 'businessobjectId' in 'bool EventNotificationRepository.HasAufgabeNotif(string businessobjectId)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\ArticleBookingOverviewViewModel.cs(210,23,210,29): warning CS0612: 'Device' is obsolete
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\ArticleBookingOverviewViewModel.cs(219,35,219,41): warning CS0612: 'Device' is obsolete
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\ArticleBookingOverviewViewModel.cs(219,35,220,80): warning CS0618: 'Device.InvokeOnMainThreadAsync(Func<Task>)' is obsolete: 'Use BindableObject.Dispatcher.DispatchAsync() instead.'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\ArticleBookingOverviewViewModel.cs(210,23,223,19): warning CS0618: 'Device.InvokeOnMainThreadAsync(Func<Task>)' is obsolete: 'Use BindableObject.Dispatcher.DispatchAsync() instead.'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\ArticleBookingOverviewViewModel.cs(233,23,233,29): warning CS0612: 'Device' is obsolete
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\ArticleBookingOverviewViewModel.cs(233,23,234,68): warning CS0618: 'Device.InvokeOnMainThreadAsync(Func<Task>)' is obsolete: 'Use BindableObject.Dispatcher.DispatchAsync() instead.'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\ArticleBookingOverviewViewModel.cs(261,31,261,37): warning CS0612: 'Device' is obsolete
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\ArticleBookingOverviewViewModel.cs(261,31,262,82): warning CS0618: 'Device.InvokeOnMainThreadAsync(Func<Task>)' is obsolete: 'Use BindableObject.Dispatcher.DispatchAsync() instead.'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\ArticleBookingOverviewViewModel.cs(236,81,236,115): warning CS8604: Possible null reference argument for parameter 'aufgabeId' in 'void IAnalyticsManager.TrackOrderArticleAdded(string aufgabeId, ArticleSourceType artikelSourceType, ArticleCatalogType? artikelKatalogType = null)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\ArticleBookingOverviewViewModel.cs(222,69,222,71): warning CS1998: This async method lacks 'await' operators and will run synchronously. Consider using the 'await' operator to await non-blocking API calls, or 'await Task.Run(...)' to do CPU-bound work on a background thread.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\ArticleBookingOverviewViewModel.cs(264,65,264,67): warning CS1998: This async method lacks 'await' operators and will run synchronously. Consider using the 'await' operator to await non-blocking API calls, or 'await Task.Run(...)' to do CPU-bound work on a background thread.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Picker\PickerPage.cs(83,48,83,60): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\ServerParserManagerM.cs(805,36,805,59): warning CS8600: Converting null literal or possible null value to non-nullable type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\ServerParserManagerM.cs(815,56,815,79): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\ServerParserManagerM.cs(818,49,818,72): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\ServerParserManagerM.cs(821,59,821,82): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\ServerParserManagerM.cs(824,54,824,77): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\ServerParserManagerM.cs(827,83,827,106): warning CS8604: Possible null reference argument for parameter 's' in 'decimal decimal.Parse(string s)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\ServerParserManagerM.cs(830,82,830,105): warning CS8604: Possible null reference argument for parameter 's' in 'decimal decimal.Parse(string s)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\ServerParserManagerM.cs(833,61,833,84): warning CS8604: Possible null reference argument for parameter 's' in 'int int.Parse(string s)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\ServerParserManagerM.cs(836,91,836,114): warning CS8604: Possible null reference argument for parameter 's' in 'decimal decimal.Parse(string s)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\ServerParserManagerM.cs(839,90,839,113): warning CS8604: Possible null reference argument for parameter 's' in 'decimal decimal.Parse(string s)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\ServerParserManagerM.cs(842,51,842,74): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\OffeneMonteurberichte\OffeneMonteurberichteViewModel.cs(98,36,98,40): warning CS8603: Possible null reference return.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\OffeneMonteurberichte\OffeneMonteurberichteViewModel.cs(80,29,80,37): warning CS8618: Non-nullable property 'OnTapped' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\OffeneMonteurberichte\OffeneMonteurberichteViewModel.cs(81,27,81,33): warning CS8618: Non-nullable property 'Nummer' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\OffeneMonteurberichte\OffeneMonteurberichteViewModel.cs(82,27,82,38): warning CS8618: Non-nullable property 'Bezeichnung' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\OffeneMonteurberichte\OffeneMonteurberichteViewModel.cs(102,27,102,34): warning CS8618: Non-nullable property 'Adresse' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\OffeneMonteurberichte\OffeneMonteurberichteViewModel.cs(103,27,103,36): warning CS8618: Non-nullable property 'Bemerkung' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\OffeneMonteurberichte\OffeneMonteurberichteViewModel.cs(105,27,105,38): warning CS8618: Non-nullable property 'Mitarbeiter' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Picker\PickerPage.cs(336,45,336,72): warning CS0618: 'LayoutOptions.FillAndExpand' is obsolete: 'The StackLayout expansion options are deprecated; please use a Grid instead.'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Picker\PickerPage.cs(345,45,345,72): warning CS0618: 'LayoutOptions.FillAndExpand' is obsolete: 'The StackLayout expansion options are deprecated; please use a Grid instead.'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Picker\PickerPage.cs(354,45,354,72): warning CS0618: 'LayoutOptions.FillAndExpand' is obsolete: 'The StackLayout expansion options are deprecated; please use a Grid instead.'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\ArticleBookingOverviewViewModel.cs(296,38,296,71): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\SideMenu\BuchungOverview\BuchungOverviewModelRD.cs(76,19,76,39): warning CS8602: Dereference of a possibly null reference.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\SideMenu\BuchungOverview\BuchungOverviewModelRD.cs(87,47,87,152): warning CS8620: Argument of type 'IEnumerable<string?>' cannot be used for parameter 'collection' of type 'IEnumerable<string>' in 'void List<string>.AddRange(IEnumerable<string> collection)' due to differences in the nullability of reference types.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\SideMenu\BuchungOverview\BuchungOverviewModelRD.cs(89,47,89,153): warning CS8620: Argument of type 'IEnumerable<string?>' cannot be used for parameter 'collection' of type 'IEnumerable<string>' in 'void List<string>.AddRange(IEnumerable<string> collection)' due to differences in the nullability of reference types.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\SideMenu\BuchungOverview\BuchungOverviewModelRD.cs(91,47,91,152): warning CS8620: Argument of type 'IEnumerable<string?>' cannot be used for parameter 'collection' of type 'IEnumerable<string>' in 'void List<string>.AddRange(IEnumerable<string> collection)' due to differences in the nullability of reference types.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\SideMenu\BuchungOverview\BuchungOverviewModelRD.cs(93,47,93,151): warning CS8620: Argument of type 'IEnumerable<string?>' cannot be used for parameter 'collection' of type 'IEnumerable<string>' in 'void List<string>.AddRange(IEnumerable<string> collection)' due to differences in the nullability of reference types.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\SideMenu\BuchungOverview\BuchungOverviewModelRD.cs(113,48,113,52): warning CS8600: Converting null literal or possible null value to non-nullable type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\SideMenu\BuchungOverview\BuchungOverviewModelRD.cs(129,101,129,124): warning CS8602: Dereference of a possibly null reference.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\SideMenu\BuchungOverview\BuchungOverviewModelRD.cs(130,100,130,123): warning CS8602: Dereference of a possibly null reference.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\SideMenu\BuchungOverview\BuchungOverviewModelRD.cs(131,102,131,125): warning CS8602: Dereference of a possibly null reference.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\SideMenu\BuchungOverview\BuchungOverviewModelRD.cs(133,112,133,116): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\SideMenu\BuchungOverview\BuchungOverviewModelRD.cs(143,45,143,49): warning CS8600: Converting null literal or possible null value to non-nullable type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\SideMenu\BuchungOverview\BuchungOverviewModelRD.cs(152,85,152,105): warning CS8604: Possible null reference argument for parameter 'bookingId' in 'Task<IBookable> BookingManager.GetBookableItemById(string bookingId)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\SideMenu\BuchungOverview\BuchungOverviewModelRD.cs(157,59,157,77): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\SideMenu\BuchungOverview\BuchungOverviewModelRD.cs(177,63,177,70): warning CS8604: Possible null reference argument for parameter 'zeitart' in 'Color BuchungOverviewModel.GetColorByZeitbewertung(ZeitartData zeitart)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\SideMenu\BuchungOverview\BuchungOverviewModelRD.cs(242,33,242,45): warning CS8629: Nullable value type may be null.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\ArticleBookingOverviewViewModel.cs(340,27,340,33): warning CS0612: 'Device' is obsolete
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\ArticleBookingOverviewViewModel.cs(340,27,340,101): warning CS0618: 'Device.BeginInvokeOnMainThread(Action)' is obsolete: 'Use BindableObject.Dispatcher.Dispatch() instead.'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\ArticleBookingOverviewViewModel.cs(354,108,354,112): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\ServerParserManagerM.cs(862,36,862,59): warning CS8600: Converting null literal or possible null value to non-nullable type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\ServerParserManagerM.cs(869,47,869,70): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\ServerParserManagerM.cs(878,49,878,72): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\ServerParserManagerM.cs(881,47,881,70): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\ServerParserManagerM.cs(884,45,884,68): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\ServerParserManagerM.cs(887,50,887,73): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\ServerParserManagerM.cs(890,58,890,81): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\ServerParserManagerM.cs(893,58,893,81): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\ServerParserManagerM.cs(896,58,896,81): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\ServerParserManagerM.cs(899,60,899,83): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\ServerParserManagerM.cs(902,60,902,83): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\ServerParserManagerM.cs(905,65,905,88): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\ServerParserManagerM.cs(908,61,908,84): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\ServerParserManagerM.cs(911,58,911,81): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\ServerParserManagerM.cs(914,74,914,97): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\ServerParserManagerM.cs(917,84,917,107): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\ServerParserManagerM.cs(920,70,920,93): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\ServerParserManagerM.cs(923,70,923,93): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\ServerParserManagerM.cs(926,53,926,76): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\ServerParserManagerM.cs(929,46,929,69): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\ServerParserManagerM.cs(932,44,932,67): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\ServerParserManagerM.cs(935,48,935,71): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\ServerParserManagerM.cs(938,58,938,81): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\ServerParserManagerM.cs(941,58,941,81): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\ServerParserManagerM.cs(944,58,944,81): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\ServerParserManagerM.cs(947,60,947,83): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\ServerParserManagerM.cs(950,60,950,83): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\ServerParserManagerM.cs(953,65,953,88): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\ServerParserManagerM.cs(956,61,956,84): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\ServerParserManagerM.cs(959,58,959,81): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\ServerParserManagerM.cs(962,74,962,97): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\ServerParserManagerM.cs(965,84,965,107): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\ServerParserManagerM.cs(968,70,968,93): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\ServerParserManagerM.cs(971,70,971,93): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\ServerParserManagerM.cs(974,48,974,71): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\ServerParserManagerM.cs(977,48,977,71): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\ServerParserManagerM.cs(980,58,980,81): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\ServerParserManagerM.cs(983,54,983,77): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\ServerParserManagerM.cs(986,77,986,100): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\ServerParserManagerM.cs(989,63,989,86): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\ServerParserManagerM.cs(992,63,992,86): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\ServerParserManagerM.cs(995,67,995,90): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\ServerParserManagerM.cs(998,51,998,74): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\ServerParserManagerM.cs(1001,51,1001,74): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\ServerParserManagerM.cs(1004,52,1004,75): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\ServerParserManagerM.cs(1007,64,1007,87): warning CS8604: Possible null reference argument for parameter 's' in 'decimal decimal.Parse(string s)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\ServerParserManagerM.cs(1013,51,1013,74): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\ServerParserManagerM.cs(1016,51,1016,74): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\ServerParserManagerM.cs(1019,51,1019,74): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\ServerParserManagerM.cs(1022,45,1022,68): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\ServerParserManagerM.cs(1025,54,1025,77): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\ServerParserManagerM.cs(1028,59,1028,82): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\ServerParserManagerM.cs(1031,47,1031,70): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\ServerParserManagerM.cs(1011,33,1011,38): warning CS0162: Unreachable code detected
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\ServerParserManagerM.cs(1077,36,1077,59): warning CS8600: Converting null literal or possible null value to non-nullable type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\ServerParserManagerM.cs(1084,51,1084,74): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\ServerParserManagerM.cs(1087,51,1087,74): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\ServerParserManagerM.cs(1090,51,1090,74): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\ServerParserManagerM.cs(1093,47,1093,70): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\ServerParserManagerM.cs(1120,38,1120,46): warning CS8602: Dereference of a possibly null reference.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\ServerParserManagerM.cs(1142,54,1142,77): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\ServerParserManagerM.cs(1145,49,1145,72): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\ServerParserManagerM.cs(1148,47,1148,70): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\ServerParserManagerM.cs(1151,45,1151,68): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\ServerParserManagerM.cs(1154,50,1154,73): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\ServerParserManagerM.cs(1157,58,1157,81): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\ServerParserManagerM.cs(1160,58,1160,81): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\ServerParserManagerM.cs(1163,58,1163,81): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\ServerParserManagerM.cs(1166,60,1166,83): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\ServerParserManagerM.cs(1169,60,1169,83): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\ServerParserManagerM.cs(1172,65,1172,88): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\ServerParserManagerM.cs(1175,61,1175,84): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\ServerParserManagerM.cs(1178,58,1178,81): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\ServerParserManagerM.cs(1181,74,1181,97): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\ServerParserManagerM.cs(1184,84,1184,107): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\ServerParserManagerM.cs(1187,70,1187,93): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\ServerParserManagerM.cs(1190,70,1190,93): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\ServerParserManagerM.cs(1193,46,1193,69): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\ServerParserManagerM.cs(1196,44,1196,67): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\ServerParserManagerM.cs(1199,53,1199,76): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\ServerParserManagerM.cs(1202,48,1202,71): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\ServerParserManagerM.cs(1205,51,1205,74): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\ServerParserManagerM.cs(1208,52,1208,75): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\ServerParserManagerM.cs(1211,64,1211,87): warning CS8604: Possible null reference argument for parameter 's' in 'decimal decimal.Parse(string s)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\ServerParserManagerM.cs(1217,58,1217,81): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\ServerParserManagerM.cs(1220,58,1220,81): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\ServerParserManagerM.cs(1223,58,1223,81): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\ServerParserManagerM.cs(1226,60,1226,83): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\ServerParserManagerM.cs(1229,60,1229,83): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\ServerParserManagerM.cs(1232,65,1232,88): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\ServerParserManagerM.cs(1235,61,1235,84): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\ServerParserManagerM.cs(1238,58,1238,81): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\ServerParserManagerM.cs(1241,74,1241,97): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\ServerParserManagerM.cs(1244,84,1244,107): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\ServerParserManagerM.cs(1247,70,1247,93): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\ServerParserManagerM.cs(1250,70,1250,93): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\ServerParserManagerM.cs(1253,48,1253,71): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\ServerParserManagerM.cs(1256,48,1256,71): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\ServerParserManagerM.cs(1259,58,1259,81): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\ServerParserManagerM.cs(1262,54,1262,77): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\ServerParserManagerM.cs(1265,77,1265,100): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\ServerParserManagerM.cs(1268,63,1268,86): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\ServerParserManagerM.cs(1271,63,1271,86): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\ServerParserManagerM.cs(1274,67,1274,90): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\ServerParserManagerM.cs(1277,51,1277,74): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\ServerParserManagerM.cs(1293,47,1293,70): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\ServerParserManagerM.cs(1316,45,1316,68): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\ServerParserManagerM.cs(1319,54,1319,77): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\ServerParserManagerM.cs(1322,59,1322,82): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\ServerParserManagerM.cs(1103,37,1103,60): warning CS8073: The result of the expression is always 'true' since a value of type 'DateTime' is never equal to 'null' of type 'DateTime?'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\ServerParserManagerM.cs(1110,37,1110,58): warning CS8073: The result of the expression is always 'true' since a value of type 'DateTime' is never equal to 'null' of type 'DateTime?'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\ServerParserManagerM.cs(1215,33,1215,38): warning CS0162: Unreachable code detected
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\ServerParserManagerM.cs(1338,43,1338,47): warning CS8600: Converting null literal or possible null value to non-nullable type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\ServerParserManagerM.cs(1340,83,1340,92): warning CS8604: Possible null reference argument for parameter 'businessobjectId' in 'EventNotification EventNotificationRepository.GetAufgabeTerminEventNotifications(string businessobjectId)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\ServerParserManagerM.cs(1390,61,1390,65): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\ServerParserManagerM.cs(1397,42,1397,46): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\ServerParserManagerM.cs(1402,45,1402,49): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\ServerParserManagerM.cs(1420,48,1420,52): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\ServerParserManagerM.cs(1430,51,1430,55): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\ServerParserManagerM.cs(1434,43,1434,47): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\ServerParserManagerM.cs(1440,50,1440,54): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\ServerParserManagerM.cs(1446,46,1446,50): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\ServerParserManagerM.cs(1453,45,1453,49): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\ServerParserManagerM.cs(1458,46,1458,50): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\ServerParserManagerM.cs(1466,42,1466,46): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\ServerParserManagerM.cs(23,43,23,59): warning CS8618: Non-nullable event 'SetGeraeteStatus' must contain a non-null value when exiting constructor. Consider declaring the event as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\ServerParserManagerM.cs(24,43,24,66): warning CS8618: Non-nullable event 'RebootBackgroundService' must contain a non-null value when exiting constructor. Consider declaring the event as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\ServerParserManagerM.cs(25,43,25,58): warning CS8618: Non-nullable event 'PersonalChanged' must contain a non-null value when exiting constructor. Consider declaring the event as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\ServerParserManagerM.cs(26,43,26,60): warning CS8618: Non-nullable event 'TaetigkeitChanged' must contain a non-null value when exiting constructor. Consider declaring the event as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\ServerParserManagerM.cs(27,43,27,57): warning CS8618: Non-nullable event 'AufgabeChanged' must contain a non-null value when exiting constructor. Consider declaring the event as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\ServerParserManagerM.cs(28,43,28,57): warning CS8618: Non-nullable event 'ZeitArtChanged' must contain a non-null value when exiting constructor. Consider declaring the event as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\ServerParserManagerM.cs(29,43,29,65): warning CS8618: Non-nullable event 'AufgabePersonalChanged' must contain a non-null value when exiting constructor. Consider declaring the event as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\ServerParserManagerM.cs(30,43,30,60): warning CS8618: Non-nullable event 'AufgabeArtChanged' must contain a non-null value when exiting constructor. Consider declaring the event as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\ServerParserManagerM.cs(31,43,31,61): warning CS8618: Non-nullable event 'ZeitbuchungChanged' must contain a non-null value when exiting constructor. Consider declaring the event as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\ServerParserManagerM.cs(32,43,32,76): warning CS8618: Non-nullable event 'DokumentationsTextBausteinChanged' must contain a non-null value when exiting constructor. Consider declaring the event as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\ServerParserManagerM.cs(34,43,34,63): warning CS8618: Non-nullable event 'ZeitbuchungenDeleted' must contain a non-null value when exiting constructor. Consider declaring the event as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\ServerParserManagerM.cs(36,54,36,72): warning CS8618: Non-nullable field 'lastAufgabenUpdate' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\ServerParserManagerM.cs(39,38,39,50): warning CS8618: Non-nullable field 'zeitartliste' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\ServerParserManagerM.cs(40,41,40,56): warning CS8618: Non-nullable field 'taetigkeitliste' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\ServerParserManagerM.cs(41,39,41,52): warning CS8618: Non-nullable field 'personalliste' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\ServerParserManagerM.cs(42,46,42,66): warning CS8618: Non-nullable field 'aufgabepersonalliste' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\ServerParserManagerM.cs(43,41,43,56): warning CS8618: Non-nullable field 'aufgabeartliste' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\ServerParserManagerM.cs(44,42,44,59): warning CS8618: Non-nullable field 'zeitbuchungsliste' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\ServerParserManagerM.cs(45,38,45,50): warning CS8618: Non-nullable field 'aufgabeliste' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\ServerParserManagerM.cs(46,57,46,87): warning CS8618: Non-nullable field 'dokumentationtextbausteinliste' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\ServerParserManagerM.cs(47,42,47,58): warning CS8618: Non-nullable field 'aufgabelistliste' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\ServerParserManagerM.cs(48,43,48,60): warning CS8618: Non-nullable field 'personallistliste' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\ServerParserManagerM.cs(49,46,49,65): warning CS8618: Non-nullable field 'abwesenheitsartlist' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\ServerParserManagerM.cs(50,47,50,67): warning CS8618: Non-nullable field 'abwesenheitszeitlist' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\SideMenu\SideMenuMorePage.cs(61,39,61,66): warning CS0618: 'LayoutOptions.FillAndExpand' is obsolete: 'The StackLayout expansion options are deprecated; please use a Grid instead.'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\SideMenu\SideMenuMorePage.cs(66,39,66,66): warning CS0618: 'LayoutOptions.FillAndExpand' is obsolete: 'The StackLayout expansion options are deprecated; please use a Grid instead.'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\SideMenu\SideMenuMorePage.cs(76,21,76,35): warning CS8602: Dereference of a possibly null reference.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\SideMenu\SideMenuMorePage.cs(81,200,81,204): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\SideMenu\SideMenuMorePage.cs(56,22,56,37): warning CS8618: Non-nullable field 'openDocsItemData' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\SideMenu\SideMenuMorePage.cs(89,127,89,129): warning CS1998: This async method lacks 'await' operators and will run synchronously. Consider using the 'await' operator to await non-blocking API calls, or 'await Task.Run(...)' to do CPU-bound work on a background thread.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\SideMenu\SideMenuMorePage.cs(285,45,285,72): warning CS0618: 'LayoutOptions.FillAndExpand' is obsolete: 'The StackLayout expansion options are deprecated; please use a Grid instead.'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\SideMenu\SideMenuMorePage.cs(247,26,247,42): warning CS8618: Non-nullable property 'ItemData' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\SideMenu\SideMenuMorePage.cs(224,45,224,72): warning CS0618: 'LayoutOptions.FillAndExpand' is obsolete: 'The StackLayout expansion options are deprecated; please use a Grid instead.'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\SideMenu\SideMenuMorePage.cs(210,26,210,44): warning CS8618: Non-nullable property 'ItemData' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\SideMenu\SideMenuMorePage.cs(184,26,184,38): warning CS8618: Non-nullable field 'count' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\SideMenu\SideMenuMorePage.cs(161,125,161,129): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\SideMenu\SideMenuMorePage.cs(162,115,162,119): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\SideMenu\SideMenuMorePage.cs(163,25,163,42): warning CS8618: Non-nullable property 'OnTapFunc' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\SideMenu\SideMenuMorePage.cs(141,40,141,44): warning CS8603: Possible null reference return.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\SideMenu\SideMenuPage.cs(268,17,268,40): warning CS8602: Dereference of a possibly null reference.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\SideMenu\SideMenuPage.cs(287,29,287,52): warning CS8602: Dereference of a possibly null reference.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\SideMenu\SideMenuPage.cs(304,17,304,40): warning CS8602: Dereference of a possibly null reference.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\SideMenu\SideMenuPage.cs(341,90,341,113): warning CS8602: Dereference of a possibly null reference.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\SideMenu\SideMenuPage.cs(368,75,368,105): warning CS8604: Possible null reference argument for parameter 'id' in 'Task<AufgabeData?> DbAufgabeData.GetById(string id)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\SideMenu\SideMenuPage.cs(379,100,379,104): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\SideMenu\SideMenuPage.cs(412,102,412,104): warning CS1998: This async method lacks 'await' operators and will run synchronously. Consider using the 'await' operator to await non-blocking API calls, or 'await Task.Run(...)' to do CPU-bound work on a background thread.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\SideMenu\SideMenuPage.cs(92,35,92,62): warning CS0618: 'LayoutOptions.FillAndExpand' is obsolete: 'The StackLayout expansion options are deprecated; please use a Grid instead.'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\SideMenu\SideMenuPage.cs(97,39,97,66): warning CS0618: 'LayoutOptions.FillAndExpand' is obsolete: 'The StackLayout expansion options are deprecated; please use a Grid instead.'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\SideMenu\SideMenuPage.cs(108,39,108,66): warning CS0618: 'LayoutOptions.FillAndExpand' is obsolete: 'The StackLayout expansion options are deprecated; please use a Grid instead.'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\SideMenu\SideMenuPage.cs(112,39,112,66): warning CS0618: 'LayoutOptions.FillAndExpand' is obsolete: 'The StackLayout expansion options are deprecated; please use a Grid instead.'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\SideMenu\SideMenuPage.cs(229,45,229,72): warning CS0618: 'LayoutOptions.FillAndExpand' is obsolete: 'The StackLayout expansion options are deprecated; please use a Grid instead.'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\SideMenu\SideMenuPage.cs(191,26,191,38): warning CS8618: Non-nullable field 'lblCount' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\SideMenu\SideMenuPage.cs(141,39,141,66): warning CS0618: 'LayoutOptions.FillAndExpand' is obsolete: 'The StackLayout expansion options are deprecated; please use a Grid instead.'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\SideMenu\SideMenuPage.cs(147,43,147,70): warning CS0618: 'LayoutOptions.FillAndExpand' is obsolete: 'The StackLayout expansion options are deprecated; please use a Grid instead.'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\SideMenu\SideMenuPage.cs(169,36,169,68): warning CS8602: Dereference of a possibly null reference.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\SideMenu\SideMenuPage.cs(65,52,65,56): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\SideMenu\SideMenuPage.cs(75,42,75,65): warning CS8602: Dereference of a possibly null reference.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\SideMenu\Team\ATeamBuchungOverviewPageRootView.cs(20,29,20,35): warning CS0612: 'Device' is obsolete
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\SideMenu\Team\ATeamBuchungOverviewPageRootView.cs(20,29,20,97): warning CS0618: 'Device.InvokeOnMainThreadAsync(Func<Task>)' is obsolete: 'Use BindableObject.Dispatcher.DispatchAsync() instead.'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\SideMenu\Team\ATeamBuchungOverviewPageRootView.cs(20,29,20,97): warning CS4014: Because this call is not awaited, execution of the current method continues before the call is completed. Consider applying the 'await' operator to the result of the call.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\SideMenu\Team\ATeamBuchungOverviewPageRootView.cs(21,29,21,35): warning CS0612: 'Device' is obsolete
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\SideMenu\Team\ATeamBuchungOverviewPageRootView.cs(21,29,21,96): warning CS0618: 'Device.InvokeOnMainThreadAsync(Func<Task>)' is obsolete: 'Use BindableObject.Dispatcher.DispatchAsync() instead.'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\SideMenu\Team\ATeamBuchungOverviewPageRootView.cs(21,29,21,96): warning CS4014: Because this call is not awaited, execution of the current method continues before the call is completed. Consider applying the 'await' operator to the result of the call.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\SideMenu\Team\ATeamBuchungOverviewPageRootView.cs(29,53,29,59): warning CS0612: 'Device' is obsolete
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\SideMenu\Team\ATeamBuchungOverviewPageRootView.cs(29,53,61,19): warning CS0618: 'Device.BeginInvokeOnMainThread(Action)' is obsolete: 'Use BindableObject.Dispatcher.Dispatch() instead.'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\SideMenu\Team\ATeamBuchungOverviewPageRootView.cs(56,59,56,81): warning CS8604: Possible null reference argument for parameter 'source' in 'IEnumerable<ITitleBarItemB> Enumerable.Cast<ITitleBarItemB>(IEnumerable source)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\SideMenu\Team\ATeamBuchungOverviewPageRootView.cs(20,26,20,28): warning CS1998: This async method lacks 'await' operators and will run synchronously. Consider using the 'await' operator to await non-blocking API calls, or 'await Task.Run(...)' to do CPU-bound work on a background thread.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\SideMenu\Team\ATeamBuchungOverviewPageRootView.cs(21,26,21,28): warning CS1998: This async method lacks 'await' operators and will run synchronously. Consider using the 'await' operator to await non-blocking API calls, or 'await Task.Run(...)' to do CPU-bound work on a background thread.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\SideMenu\Team\ATeamBuchungOverviewPageRootView.cs(58,38,58,41): warning CS0168: The variable 'exc' is declared but never used
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\SideMenu\Team\TeamBuchungOverviewModel.cs(103,127,103,131): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\SideMenu\Team\TeamBuchungOverviewModel.cs(93,16,93,40): warning CS8618: Non-nullable field 'team' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\SideMenu\Team\TeamBuchungOverviewModel.cs(93,16,93,40): warning CS8618: Non-nullable field 'groups' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\SideMenu\Team\TeamBuchungOverviewModel.cs(93,16,93,40): warning CS8618: Non-nullable field 'startButtonText' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\SideMenu\Team\TeamBuchungOverviewModel.cs(93,16,93,40): warning CS8618: Non-nullable field 'startButtonImage' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\SideMenu\Team\TeamBuchungOverviewModel.cs(93,16,93,40): warning CS8618: Non-nullable field 'startButtonImageSource' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\SideMenu\Team\TeamBuchungOverviewModel.cs(93,16,93,40): warning CS8618: Non-nullable field 'stopButtonText' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\SideMenu\Team\TeamBuchungOverviewModel.cs(93,16,93,40): warning CS8618: Non-nullable field 'stopButtonImage' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\SideMenu\Team\TeamBuchungOverviewModel.cs(93,16,93,40): warning CS8618: Non-nullable field 'stopButtonImageSource' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\SideMenu\Team\TeamBuchungOverviewModel.cs(93,16,93,40): warning CS8618: Non-nullable field 'startButtonCommand' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\SideMenu\Team\TeamBuchungOverviewModel.cs(93,16,93,40): warning CS8618: Non-nullable field 'stopButtonCommand' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\SideMenu\Team\TeamBuchungOverviewModel.cs(93,16,93,40): warning CS8618: Non-nullable field 'infoText' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\SideMenu\Team\TeamBuchungOverviewModel.cs(93,16,93,40): warning CS8618: Non-nullable field 'bannerColor' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\SideMenu\Team\TeamBuchungOverviewModel.cs(93,16,93,40): warning CS8618: Non-nullable field 'bannerTapped' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\SideMenu\Team\TeamBuchungOverviewModel.cs(93,16,93,40): warning CS8618: Non-nullable field 'refreshTitleBar' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\SideMenu\Team\TeamBuchungOverviewModel.cs(93,16,93,40): warning CS8618: Non-nullable property 'TeamTappedFunc' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\SideMenu\Team\TeamBuchungOverviewModel.cs(93,16,93,40): warning CS8618: Non-nullable property 'TeamMemberTappedFunc' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\SideMenu\Team\TeamBuchungOverviewModel.cs(93,16,93,40): warning CS8618: Non-nullable event 'OnStoppedWork' must contain a non-null value when exiting constructor. Consider declaring the event as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\SideMenu\Team\TeamBuchungOverviewModel.cs(115,17,115,23): warning CS0612: 'Device' is obsolete
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\SideMenu\Team\TeamBuchungOverviewModel.cs(115,17,115,228): warning CS0618: 'Device.BeginInvokeOnMainThread(Action)' is obsolete: 'Use BindableObject.Dispatcher.Dispatch() instead.'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\SideMenu\Team\TeamBuchungOverviewModel.cs(113,17,113,40): warning CS8602: Dereference of a possibly null reference.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\SideMenu\Team\TeamBuchungOverviewModel.cs(133,38,133,61): warning CS8602: Dereference of a possibly null reference.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\SideMenu\Team\TeamBuchungOverviewModel.cs(136,21,136,35): warning CS8602: Dereference of a possibly null reference.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\SideMenu\Team\TeamBuchungOverviewModel.cs(136,103,136,125): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\SideMenu\Team\TeamBuchungOverviewModel.cs(136,147,136,174): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\SideMenu\Team\TeamBuchungOverviewModel.cs(179,115,179,159): warning CS8604: Possible null reference argument for parameter 'taetigkeit' in 'TeamGroup.TeamGroup(TeamStatus teamStatus, AufgabeData aufgabe, string taetigkeitGruppenId, string taetigkeit)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\SideMenu\Team\TeamBuchungOverviewModel.cs(206,30,206,33): warning CS0168: The variable 'exc' is declared but never used
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\SideMenu\Team\TeamBuchungOverviewModel.cs(222,25,222,48): warning CS8602: Dereference of a possibly null reference.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\SideMenu\Team\TeamBuchungOverviewModel.cs(225,40,225,44): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\SideMenu\Team\TeamBuchungOverviewModel.cs(225,46,225,50): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\SideMenu\Team\TeamBuchungOverviewModel.cs(225,52,225,56): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\SideMenu\Team\TeamBuchungOverviewModel.cs(228,62,228,66): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\SideMenu\Team\TeamBuchungOverviewModel.cs(230,39,230,43): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\SideMenu\Team\TeamBuchungOverviewModel.cs(230,45,230,49): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\SideMenu\Team\TeamBuchungOverviewModel.cs(230,51,230,55): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\SideMenu\Team\TeamBuchungOverviewModel.cs(233,25,233,48): warning CS8602: Dereference of a possibly null reference.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\SideMenu\Team\TeamBuchungOverviewModel.cs(236,40,236,44): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\SideMenu\Team\TeamBuchungOverviewModel.cs(236,46,236,50): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\SideMenu\Team\TeamBuchungOverviewModel.cs(236,52,236,56): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\SideMenu\Team\TeamBuchungOverviewModel.cs(239,104,239,108): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\SideMenu\Team\TeamBuchungOverviewModel.cs(241,104,241,108): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\SideMenu\Team\TeamBuchungOverviewModel.cs(243,39,243,43): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\SideMenu\Team\TeamBuchungOverviewModel.cs(243,45,243,49): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\SideMenu\Team\TeamBuchungOverviewModel.cs(243,51,243,55): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\SideMenu\Team\TeamBuchungOverviewModel.cs(246,25,246,48): warning CS8602: Dereference of a possibly null reference.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\SideMenu\Team\TeamBuchungOverviewModel.cs(248,120,248,124): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\SideMenu\Team\TeamBuchungOverviewModel.cs(249,62,249,66): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\SideMenu\Team\TeamBuchungOverviewModel.cs(254,39,254,43): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\SideMenu\Team\TeamBuchungOverviewModel.cs(254,45,254,49): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\SideMenu\Team\TeamBuchungOverviewModel.cs(254,51,254,55): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\SideMenu\Team\TeamBuchungOverviewModel.cs(258,40,258,44): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\SideMenu\Team\TeamBuchungOverviewModel.cs(258,46,258,50): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\SideMenu\Team\TeamBuchungOverviewModel.cs(258,52,258,56): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\SideMenu\Team\TeamBuchungOverviewModel.cs(259,39,259,43): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\SideMenu\Team\TeamBuchungOverviewModel.cs(259,45,259,49): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\SideMenu\Team\TeamBuchungOverviewModel.cs(259,51,259,55): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\SideMenu\Team\TeamBuchungOverviewModel.cs(263,36,263,40): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\SideMenu\Team\TeamBuchungOverviewModel.cs(263,42,263,46): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\SideMenu\Team\TeamBuchungOverviewModel.cs(263,48,263,52): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\SideMenu\Team\TeamBuchungOverviewModel.cs(264,35,264,39): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\SideMenu\Team\TeamBuchungOverviewModel.cs(264,41,264,45): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\SideMenu\Team\TeamBuchungOverviewModel.cs(264,47,264,51): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\SideMenu\Team\TeamBuchungOverviewModel.cs(286,25,286,48): warning CS8602: Dereference of a possibly null reference.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\SideMenu\Team\TeamBuchungOverviewModel.cs(301,25,301,48): warning CS8602: Dereference of a possibly null reference.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\SideMenu\Team\TeamBuchungOverviewModel.cs(322,21,322,44): warning CS8602: Dereference of a possibly null reference.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\SideMenu\Team\TeamBuchungOverviewModel.cs(404,38,404,111): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\SideMenu\Team\TeamBuchungOverviewModel.cs(414,37,414,108): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\SideMenu\Team\TeamBuchungOverviewModel.cs(422,13,422,19): warning CS0612: 'Device' is obsolete
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\SideMenu\Team\TeamBuchungOverviewModel.cs(422,13,431,15): warning CS0618: 'Device.BeginInvokeOnMainThread(Action)' is obsolete: 'Use BindableObject.Dispatcher.Dispatch() instead.'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\SideMenu\Team\TeamBuchungOverviewModel.cs(426,127,426,131): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\SideMenu\Team\TeamBuchungOverviewModel.cs(437,13,437,19): warning CS0612: 'Device' is obsolete
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\SideMenu\Team\TeamBuchungOverviewModel.cs(437,13,450,15): warning CS0618: 'Device.BeginInvokeOnMainThread(Action)' is obsolete: 'Use BindableObject.Dispatcher.Dispatch() instead.'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\SideMenu\Team\TeamBuchungOverviewModel.cs(441,120,441,124): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\SideMenu\Team\TeamBuchungOverviewModel.cs(466,13,466,19): warning CS0612: 'Device' is obsolete
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\SideMenu\Team\TeamBuchungOverviewModel.cs(466,13,475,15): warning CS0618: 'Device.BeginInvokeOnMainThread(Action)' is obsolete: 'Use BindableObject.Dispatcher.Dispatch() instead.'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\SideMenu\Team\TeamBuchungOverviewModel.cs(456,17,456,40): warning CS8602: Dereference of a possibly null reference.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\SideMenu\Team\TeamBuchungOverviewModel.cs(470,121,470,125): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\SideMenu\Team\TeamBuchungOverviewModel.cs(482,13,482,19): warning CS0612: 'Device' is obsolete
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\SideMenu\Team\TeamBuchungOverviewModel.cs(482,13,493,15): warning CS0618: 'Device.BeginInvokeOnMainThread(Action)' is obsolete: 'Use BindableObject.Dispatcher.Dispatch() instead.'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\SideMenu\Team\TeamBuchungOverviewModel.cs(486,121,486,125): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\SideMenu\Team\TeamBuchungOverviewModel.cs(498,17,498,40): warning CS8602: Dereference of a possibly null reference.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\SideMenu\Team\TeamBuchungOverviewModel.cs(531,98,531,104): warning CS0612: 'Device' is obsolete
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\SideMenu\Team\TeamBuchungOverviewModel.cs(531,98,531,168): warning CS0618: 'Device.BeginInvokeOnMainThread(Action)' is obsolete: 'Use BindableObject.Dispatcher.Dispatch() instead.'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\SideMenu\Team\TeamBuchungOverviewModel.cs(542,92,542,133): warning CS8619: Nullability of reference types in value of type 'List<string?>' doesn't match target type 'List<string>'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\SideMenu\Team\TeamBuchungOverviewModel.cs(549,69,549,104): warning CS8604: Possible null reference argument for parameter 'personallist' in 'Gruppenmitglied.Gruppenmitglied(PersonalList personallist)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\SideMenu\Team\TeamBuchungOverviewModel.cs(619,37,619,54): warning CS8600: Converting null literal or possible null value to non-nullable type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\SideMenu\Team\TeamBuchungOverviewModel.cs(624,30,624,40): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\SideMenu\Team\TeamBuchungOverviewModel.cs(593,16,593,25): warning CS8618: Non-nullable property 'StatusText' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\SideMenu\Team\TeamBuchungOverviewModel.cs(593,16,593,25): warning CS8618: Non-nullable property 'HeaderCommand' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\SideMenu\Team\TeamBuchungOverviewModel.cs(593,16,593,25): warning CS8618: Non-nullable property 'ShortcutCommand' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\SideMenu\Team\TeamBuchungOverviewModel.cs(593,16,593,25): warning CS8618: Non-nullable property 'ShortcutImageSource' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\SideMenu\Team\TeamBuchungOverviewModel.cs(593,16,593,25): warning CS8618: Non-nullable property 'Aufgabe' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\SideMenu\Team\TeamBuchungOverviewModel.cs(593,16,593,25): warning CS8618: Non-nullable property 'Taetigkeit' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\SideMenu\Team\TeamBuchungOverviewModel.cs(637,16,637,33): warning CS8618: Non-nullable field 'status' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\SideMenu\Team\TeamBuchungOverviewModel.cs(637,16,637,33): warning CS8618: Non-nullable property 'OnTap' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\SideMenu\Team\TeamBuchungOverviewModel.cs(637,16,637,33): warning CS8618: Non-nullable property 'OnLongTap' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\SideMenu\Team\TeamBuchungOverviewModel.cs(637,16,637,33): warning CS8618: Non-nullable property 'OnResume' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\SideMenu\Team\TeamBuchungOverviewModel.cs(637,16,637,33): warning CS8618: Non-nullable property 'OnPause' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\SideMenu\Team\TeamBuchungOverviewModel.cs(637,16,637,33): warning CS8618: Non-nullable property 'OnStop' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\SideMenu\Team\TeamBuchungOverviewModel.cs(637,16,637,33): warning CS8618: Non-nullable property 'OnStart' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\SideMenu\Team\TeamItemView.xaml.cs(220,39,220,62): warning CS8602: Dereference of a possibly null reference.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\SideMenu\Team\TeamItemView.xaml.cs(227,40,227,63): warning CS8602: Dereference of a possibly null reference.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\SideMenu\Team\TeamItemView.xaml.cs(234,25,234,48): warning CS8602: Dereference of a possibly null reference.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\SideMenu\Team\TeamItemView.xaml.cs(249,25,249,48): warning CS8602: Dereference of a possibly null reference.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\SideMenu\Team\TeamItemView.xaml.cs(263,25,263,48): warning CS8602: Dereference of a possibly null reference.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\SideMenu\Team\TeamItemView.xaml.cs(15,31,15,45): warning CS8600: Converting null literal or possible null value to non-nullable type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\SideMenu\Team\TeamItemView.xaml.cs(16,46,16,57): warning CS8604: Possible null reference argument for parameter 'newOnResume' in 'void TeamItemView.OnResumeChanged(ICommand oldOnResume, ICommand newOnResume)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\SideMenu\Team\TeamItemView.xaml.cs(33,30,33,44): warning CS8600: Converting null literal or possible null value to non-nullable type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\SideMenu\Team\TeamItemView.xaml.cs(34,44,34,54): warning CS8604: Possible null reference argument for parameter 'newOnPause' in 'void TeamItemView.OnPauseChanged(ICommand oldOnPause, ICommand newOnPause)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\SideMenu\Team\TeamItemView.xaml.cs(51,29,51,43): warning CS8600: Converting null literal or possible null value to non-nullable type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\SideMenu\Team\TeamItemView.xaml.cs(52,42,52,51): warning CS8604: Possible null reference argument for parameter 'newOnStop' in 'void TeamItemView.OnStopChanged(ICommand oldOnStop, ICommand newOnStop)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\SideMenu\Team\TeamItemView.xaml.cs(69,30,69,44): warning CS8600: Converting null literal or possible null value to non-nullable type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\SideMenu\Team\TeamItemView.xaml.cs(70,44,70,54): warning CS8604: Possible null reference argument for parameter 'newOnStart' in 'void TeamItemView.OnStartChanged(ICommand oldOnStart, ICommand newOnStart)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\SideMenu\Team\TeamItemView.xaml.cs(87,28,87,42): warning CS8600: Converting null literal or possible null value to non-nullable type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\SideMenu\Team\TeamItemView.xaml.cs(88,40,88,48): warning CS8604: Possible null reference argument for parameter 'newOnTap' in 'void TeamItemView.OnTapChanged(ICommand oldOnTap, ICommand newOnTap)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\SideMenu\Team\TeamItemView.xaml.cs(105,32,105,46): warning CS8600: Converting null literal or possible null value to non-nullable type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\SideMenu\Team\TeamItemView.xaml.cs(106,48,106,60): warning CS8604: Possible null reference argument for parameter 'newOnLongTap' in 'void TeamItemView.OnLongTapChanged(ICommand oldOnLongTap, ICommand newOnLongTap)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\SideMenu\Team\TeamItemView.xaml.cs(123,34,123,46): warning CS8600: Converting null literal or possible null value to non-nullable type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\SideMenu\Team\TeamItemView.xaml.cs(124,52,124,66): warning CS8604: Possible null reference argument for parameter 'newMitarbeiter' in 'void TeamItemView.MitarbeiterChanged(string oldMitarbeiter, string newMitarbeiter)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\SideMenu\Team\TeamItemView.xaml.cs(141,29,141,41): warning CS8600: Converting null literal or possible null value to non-nullable type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\SideMenu\Team\TeamItemView.xaml.cs(142,42,142,51): warning CS8604: Possible null reference argument for parameter 'newStatus' in 'void TeamItemView.StatusChanged(string oldStatus, string newStatus)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\SideMenu\Team\TeamItemView.xaml.cs(159,31,159,41): warning CS8605: Unboxing a possibly null value.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\SideMenu\Team\TeamItemView.xaml.cs(184,33,184,43): warning CS8605: Unboxing a possibly null value.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\SideMenu\Team\TeamItemView.xaml.cs(211,33,211,49): warning CS8605: Unboxing a possibly null value.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\VorgangsPage.xaml.cs(10,16,10,28): warning CS8618: Non-nullable property 'TabbedView' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\VorgangsPage.xaml.cs(34,38,34,60): warning CS8604: Possible null reference argument for parameter 'subtitle' in 'void ATitleBarB.SetSubtitle(string subtitle)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\VorgangDetailViewModel.cs(36,21,36,27): warning CS8602: Dereference of a possibly null reference.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\VorgangDetailViewModel.cs(36,21,36,33): warning CS8629: Nullable value type may be null.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\VorgangDetailViewModel.cs(36,48,36,58): warning CS8629: Nullable value type may be null.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\VorgangDetailViewModel.cs(28,16,28,38): warning CS8618: Non-nullable field 'terminColor' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\VorgangDetailViewModel.cs(28,16,28,38): warning CS8618: Non-nullable field 'terminDateTime' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\VorgangDetailViewModel.cs(28,16,28,38): warning CS8618: Non-nullable field 'adressItems' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\VorgangDetailView.xaml.cs(25,17,25,23): warning CS0612: 'Device' is obsolete
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\VorgangDetailView.xaml.cs(25,17,25,89): warning CS0618: 'Device.InvokeOnMainThreadAsync<T>(Func<Task<T>>)' is obsolete: 'Use BindableObject.Dispatcher.DispatchAsync() instead.'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\VorgangDetailView.xaml.cs(25,17,25,89): warning CS4014: Because this call is not awaited, execution of the current method continues before the call is completed. Consider applying the 'await' operator to the result of the call.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\VorgangDetailView.xaml.cs(23,31,23,33): warning CS1998: This async method lacks 'await' operators and will run synchronously. Consider using the 'await' operator to await non-blocking API calls, or 'await Task.Run(...)' to do CPU-bound work on a background thread.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\MeldungenDokuViewModel.cs(28,21,28,44): warning CS8602: Dereference of a possibly null reference.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\MeldungenDokuViewModel.cs(30,121,30,125): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\MeldungenDokuViewModel.cs(37,109,37,113): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\MeldungenDokuViewModel.cs(44,104,44,108): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\MeldungenDokuViewModel.cs(22,16,22,38): warning CS8618: Non-nullable field 'anforderungenItem' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\MeldungenDokuViewModel.cs(22,16,22,38): warning CS8618: Non-nullable field 'dokuItem' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\MeldungenDokuViewModel.cs(22,16,22,38): warning CS8618: Non-nullable field 'wetterItem' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\MeldungenDokuViewModel.cs(57,91,57,116): warning CS8604: Possible null reference argument for parameter 'aufgBuchungsId' in 'List<Monteurbericht> MonteurberichtRepository.GetAnforderungenByVorg(string aufgBuchungsId, ClosedStatus status, DateTime? date = null)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\MeldungenDokuViewModel.cs(64,107,64,132): warning CS8604: Possible null reference argument for parameter 'aufgBuchungsId' in 'List<Dokumentationseintrag> DokumentationseintragRepository.GetFotodokueintraegeByVorg(string aufgBuchungsId)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\MeldungenDokuViewModel.cs(72,80,72,105): warning CS8604: Possible null reference argument for parameter 'aufgabeBuchungId' in 'Task<List<WeatherReportData>> DbWeatherReportData.GetAllFromAufgabeAsync(string aufgabeBuchungId)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\BerichtmoduleViewModel.cs(42,21,42,44): warning CS8602: Dereference of a possibly null reference.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\BerichtmoduleViewModel.cs(45,106,45,110): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\BerichtmoduleViewModel.cs(52,108,52,112): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\BerichtmoduleViewModel.cs(59,111,59,115): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\BerichtmoduleViewModel.cs(63,17,63,40): warning CS8602: Dereference of a possibly null reference.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\BerichtmoduleViewModel.cs(66,112,66,116): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\BerichtmoduleViewModel.cs(71,128,71,143): warning CS8604: Possible null reference argument for parameter 'selectedAufgabe' in 'FinalPageContentPage.FinalPageContentPage(AufgabeData selectedAufgabe, TerminData termin)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\BerichtmoduleViewModel.cs(35,16,35,38): warning CS8618: Non-nullable field 'zeitenListItem' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\BerichtmoduleViewModel.cs(35,16,35,38): warning CS8618: Non-nullable field 'artikelListItem' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\BerichtmoduleViewModel.cs(35,16,35,38): warning CS8618: Non-nullable field 'checklistListItem' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\BerichtmoduleViewModel.cs(35,16,35,38): warning CS8618: Non-nullable field 'arbeitenListItem' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\BerichtmoduleViewModel.cs(35,16,35,38): warning CS8618: Non-nullable property 'OnBerichtAbschluss' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\BerichtmoduleViewModel.cs(96,79,96,104): warning CS8604: Possible null reference argument for parameter 'buchungsId' in 'Task<int> getAufgabeBuchungsCountDistinct(string buchungsId)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\BerichtmoduleViewModel.cs(103,74,103,99): warning CS8604: Possible null reference argument for parameter 'aufgabeBuchungsId' in 'List<ArtikelBuchung> ArtikelbuchungRepository.GetArtikelbuchungenFromAufgabe(string aufgabeBuchungsId, bool? istUnterschrieben = null, Anlage filterAnlage = null)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\BerichtmoduleViewModel.cs(118,71,118,96): warning CS8604: Possible null reference argument for parameter 'aufgabenid' in 'VorgangsBemerkung VorgangsBemerkungsRepository.GetByAufgabenId(string aufgabenid)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Bericht\BerichteAbrufView.xaml.cs(17,29,17,35): warning CS0612: 'Device' is obsolete
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Bericht\BerichteAbrufView.xaml.cs(17,29,17,92): warning CS0618: 'Device.InvokeOnMainThreadAsync(Func<Task>)' is obsolete: 'Use BindableObject.Dispatcher.DispatchAsync() instead.'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Bericht\BerichteAbrufView.xaml.cs(17,29,17,92): warning CS4014: Because this call is not awaited, execution of the current method continues before the call is completed. Consider applying the 'await' operator to the result of the call.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Bericht\BerichteAbrufView.xaml.cs(18,29,18,35): warning CS0612: 'Device' is obsolete
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Bericht\BerichteAbrufView.xaml.cs(18,29,18,91): warning CS0618: 'Device.InvokeOnMainThreadAsync(Func<Task>)' is obsolete: 'Use BindableObject.Dispatcher.DispatchAsync() instead.'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Bericht\BerichteAbrufView.xaml.cs(18,29,18,91): warning CS4014: Because this call is not awaited, execution of the current method continues before the call is completed. Consider applying the 'await' operator to the result of the call.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Bericht\BerichteAbrufView.xaml.cs(17,26,17,28): warning CS1998: This async method lacks 'await' operators and will run synchronously. Consider using the 'await' operator to await non-blocking API calls, or 'await Task.Run(...)' to do CPU-bound work on a background thread.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Bericht\BerichteAbrufView.xaml.cs(18,26,18,28): warning CS1998: This async method lacks 'await' operators and will run synchronously. Consider using the 'await' operator to await non-blocking API calls, or 'await Task.Run(...)' to do CPU-bound work on a background thread.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\ArticleBookingSelectionFromCatalogOverviewViewModel.cs(61,71,61,75): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\ArticleBookingSelectionFromCatalogOverviewViewModel.cs(61,77,61,81): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\ArticleBookingSelectionFromCatalogOverviewViewModel.cs(61,83,61,87): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Bericht\BerichteAbrufViewModel.cs(82,17,82,40): warning CS8602: Dereference of a possibly null reference.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Bericht\BerichteAbrufViewModel.cs(66,16,66,38): warning CS8618: Non-nullable field 'selectedBerichtCategory' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Bericht\BerichteAbrufViewModel.cs(66,16,66,38): warning CS8618: Non-nullable field 'onlineBerichte' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Bericht\BerichteAbrufViewModel.cs(66,16,66,38): warning CS8618: Non-nullable property 'CategoryPickerCommand' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Bericht\BerichteAbrufViewModel.cs(144,174,144,197): warning CS8602: Dereference of a possibly null reference.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Bericht\BerichteAbrufViewModel.cs(144,174,144,217): warning CS8604: Possible null reference argument for parameter 'personalUserId' in 'Task<List<MonteurberichtDataOverview>> DataReqManager.GetAllMonteurberichtDataOverview(DateTime dateBegin, DateTime dateEnd, FilterKriterium kriterium, string bookingId, string personalUserId)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Bericht\BerichteAbrufViewModel.cs(162,30,162,33): warning CS0168: The variable 'exc' is declared but never used
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Bericht\BerichteAbrufViewModel.cs(183,153,183,175): warning CS8604: Possible null reference argument for parameter 'filePath' in 'AttachmentPage.AttachmentPage(string title, FileType fileType, string filePath, string instance)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Bericht\BerichteAbrufViewModel.cs(183,177,183,196): warning CS8604: Possible null reference argument for parameter 'instance' in 'AttachmentPage.AttachmentPage(string title, FileType fileType, string filePath, string instance)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Bericht\BerichtTabbedPage.cs(44,21,44,44): warning CS8602: Dereference of a possibly null reference.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Bericht\BerichtTabbedPage.cs(54,86,54,103): warning CS8604: Possible null reference argument for parameter 'serverid' in 'Aufgabe AufgabeListeRepository.GetByServerId(string serverid)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Bericht\BerichtTabbedPage.cs(73,32,73,62): warning CS8603: Possible null reference return.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Bericht\BerichtTabbedPage.cs(35,22,35,34): warning CS8618: Non-nullable field 'zeitenItem' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Bericht\BerichtTabbedPage.cs(35,22,35,34): warning CS8618: Non-nullable field 'artikelItem' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Bericht\BerichtTabbedPage.cs(35,22,35,34): warning CS8618: Non-nullable field 'checklistItem' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Fotodoku\FotoDokuItemTemplateSelector.cs(11,29,11,40): warning CS8618: Non-nullable property 'AddTemplate' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Fotodoku\FotoDokuItemTemplateSelector.cs(12,29,12,41): warning CS8618: Non-nullable property 'FotoTemplate' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Fotodoku\FotoDokuOverviewModel.cs(37,69,37,73): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Fotodoku\FotoDokuOverviewModel.cs(38,30,38,37): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Fotodoku\FotoDokuOverviewModel.cs(32,16,32,37): warning CS8618: Non-nullable field 'currentAufgabe' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Fotodoku\FotoDokuOverviewModel.cs(32,16,32,37): warning CS8618: Non-nullable field 'dokuItems' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\DataTransferManager\RequestData.cs(39,22,39,28): warning CS0612: 'Device' is obsolete
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\DataTransferManager\RequestData.cs(39,22,39,44): warning CS0618: 'Device.RuntimePlatform' is obsolete: 'Use Microsoft.Maui.Devices.DeviceInfo.Platform instead.'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\DataTransferManager\RequestData.cs(39,48,39,54): warning CS0612: 'Device' is obsolete
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\DataTransferManager\RequestData.cs(39,48,39,58): warning CS0618: 'Device.iOS' is obsolete: 'Use Microsoft.Maui.Devices.DevicePlatform.iOS instead.'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\DataTransferManager\RequestData.cs(27,18,27,29): warning CS8618: Non-nullable property 'ListMobileChange' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\DataTransferManager\DataTransferManager.cs(16,89,16,93): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\DataTransferManager\DataTransferManager.cs(21,55,21,59): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Fotodoku\FotoDokuOverviewModel.cs(102,16,102,24): warning CS8618: Non-nullable property 'OnTapped' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Fotodoku\FotoDokuOverviewModel.cs(102,16,102,24): warning CS8618: Non-nullable property 'Title' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Fotodoku\FotoDokuOverviewModel.cs(102,16,102,24): warning CS8618: Non-nullable property 'SubTitle' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\DataTransferManager\DataTransferManager.cs(26,68,26,72): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\ArticleBookingSelectionFromCatalogViewModel.cs(42,49,42,72): warning CS8604: Possible null reference argument for parameter 'katalogid' in 'ArtikelRepository.ArtikelRepository(string katalogid)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\ArticleBookingSelectionFromCatalogViewModel.cs(34,16,34,59): warning CS8618: Non-nullable field 'navTitle' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\ArticleBookingSelectionFromCatalogViewModel.cs(34,16,34,59): warning CS8618: Non-nullable field 'navBack' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Fotodoku\FotoDokuOverviewPage.cs(28,52,28,82): warning CS8604: Possible null reference argument for parameter 'subtitle' in 'TitleBar.TitleBar(string title, string subtitle = null, bool centerTitle = false, bool hasIndicator = false, bool enableIcon = true)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Fotodoku\FotoDokuOverviewModel.cs(44,56,44,60): warning CS8600: Converting null literal or possible null value to non-nullable type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Fotodoku\FotoDokuOverviewModel.cs(47,61,47,85): warning CS8604: Possible null reference argument for parameter 'aufgBuchungsId' in 'List<Dokumentationseintrag> DokumentationseintragRepository.GetFotodokueintraegeByVorg(string aufgBuchungsId)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Fotodoku\FotoDokuOverviewModel.cs(62,37,62,41): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Fotodoku\FotoDokuOverviewModel.cs(66,34,66,141): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Fotodoku\FotoDokuOverviewModel.cs(67,37,67,80): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Fotodoku\FotoDokuOverviewModel.cs(41,36,41,46): warning CS1998: This async method lacks 'await' operators and will run synchronously. Consider using the 'await' operator to await non-blocking API calls, or 'await Task.Run(...)' to do CPU-bound work on a background thread.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Fotodoku\FotoDokuOverviewModel.cs(76,77,76,100): warning CS8602: Dereference of a possibly null reference.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Fotodoku\FotoDokuPage.cs(27,164,27,191): warning CS0618: 'LayoutOptions.FillAndExpand' is obsolete: 'The StackLayout expansion options are deprecated; please use a Grid instead.'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Fotodoku\FotoDokuPage.cs(31,154,31,160): warning CS0612: 'Device' is obsolete
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Fotodoku\FotoDokuPage.cs(31,154,31,217): warning CS0618: 'Device.BeginInvokeOnMainThread(Action)' is obsolete: 'Use BindableObject.Dispatcher.Dispatch() instead.'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Fotodoku\FotoDokuPage.cs(27,116,27,141): warning CS8604: Possible null reference argument for parameter 'subtitle' in 'void ITitleBarBase.SetSubtitle(string subtitle)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Fotodoku\FotoDokuPage.cs(28,108,28,138): warning CS8604: Possible null reference argument for parameter 'subtitle' in 'TitleBar.TitleBar(string title, string subtitle = null, bool centerTitle = false, bool hasIndicator = false, bool enableIcon = true)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Fotodoku\FotoDokuViewModel.cs(44,24,44,48): warning CS8603: Possible null reference return.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\DataTransferManager\DataTransferManager.cs(71,13,80,14): warning SYSLIB0014: 'WebClient.WebClient()' is obsolete: 'WebRequest, HttpWebRequest, ServicePoint, and WebClient are obsolete. Use HttpClient instead.' (https://aka.ms/dotnet-warnings/SYSLIB0014)
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Fotodoku\FotoDokuViewModel.cs(505,29,505,34): warning CS8618: Non-nullable field 'image' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Fotodoku\FotoDokuViewModel.cs(514,25,514,30): warning CS8618: Non-nullable property 'OnTap' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Fotodoku\FotoDokuViewModel.cs(515,35,515,53): warning CS8618: Non-nullable property 'DokumentationsBild' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\DataTransferManager\DataReqManager.cs(34,28,34,34): warning CS8603: Possible null reference return.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\DataTransferManager\DataReqManager.cs(42,20,42,26): warning CS8603: Possible null reference return.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Fotodoku\ShowImagePage.cs(38,54,38,58): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Fotodoku\ShowImagePage.cs(66,39,66,66): warning CS0618: 'LayoutOptions.FillAndExpand' is obsolete: 'The StackLayout expansion options are deprecated; please use a Grid instead.'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Fotodoku\ShowImagePage.cs(60,124,60,128): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Fotodoku\FotoDokuViewModel.cs(75,28,75,51): warning CS8602: Dereference of a possibly null reference.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Fotodoku\FotoDokuViewModel.cs(101,70,101,80): warning CS8604: Possible null reference argument for parameter 'id' in 'Task<AufgabeData?> DbAufgabeData.GetById(string id)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Fotodoku\FotoDokuViewModel.cs(101,42,101,81): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Fotodoku\FotoDokuViewModel.cs(102,60,102,74): warning CS8602: Dereference of a possibly null reference.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Fotodoku\FotoDokuViewModel.cs(102,60,102,84): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Fotodoku\FotoDokuViewModel.cs(111,199,111,203): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Fotodoku\FotoDokuViewModel.cs(72,16,72,33): warning CS8618: Non-nullable field 'aufgabeTitle' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Fotodoku\FotoDokuViewModel.cs(72,16,72,33): warning CS8618: Non-nullable field 'showAufgabePicker' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Fotodoku\FotoDokuViewModel.cs(72,16,72,33): warning CS8618: Non-nullable field 'fotoItems' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Fotodoku\FotoDokuViewModel.cs(72,16,72,33): warning CS8618: Non-nullable field 'imageCountDisplay' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Fotodoku\FotoDokuViewModel.cs(72,16,72,33): warning CS8618: Non-nullable field 'closedDisplay' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Fotodoku\ShowImagePage.cs(79,35,79,58): warning CS8604: Possible null reference argument for parameter 'title' in 'void ATitleBarB.SetTitle(string title)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Fotodoku\ShowImagePage.cs(80,38,80,64): warning CS8604: Possible null reference argument for parameter 'subtitle' in 'void ATitleBarB.SetSubtitle(string subtitle)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Fotodoku\ShowImageView.xaml.cs(34,16,34,29): warning CS8618: Non-nullable field 'refreshTitleBar' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Fotodoku\ShowImageView.xaml.cs(34,16,34,29): warning CS8618: Non-nullable property 'OnSave' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Fotodoku\ShowImageView.xaml.cs(34,16,34,29): warning CS8618: Non-nullable property 'OnAbort' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Fotodoku\ShowImageView.xaml.cs(34,16,34,29): warning CS8618: Non-nullable property 'OnDelete' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Fotodoku\ShowImageView.xaml.cs(39,16,39,29): warning CS8618: Non-nullable field 'refreshTitleBar' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Fotodoku\ShowImageView.xaml.cs(39,16,39,29): warning CS8618: Non-nullable property 'OnSave' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Fotodoku\ShowImageView.xaml.cs(39,16,39,29): warning CS8618: Non-nullable property 'OnAbort' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Fotodoku\ShowImageView.xaml.cs(39,16,39,29): warning CS8618: Non-nullable property 'OnDelete' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Fotodoku\ShowImageView.xaml.cs(65,45,65,73): warning CS8622: Nullability of reference types in type of parameter 'sender' of 'void ShowImageView.DrawingCanvas_CanUndoChanged(object sender, bool canUndo)' doesn't match the target delegate 'EventHandler<bool>' (possibly because of nullability attributes).
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Fotodoku\ShowImageView.xaml.cs(80,84,80,88): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Fotodoku\FotoDokuViewModel.cs(139,93,139,110): warning CS8604: Possible null reference argument for parameter 'fotoDocuDataId' in 'Task<List<Dokumentationsbild>> FotoDocuDataManager.GetFotoDocuImageDataByFotoDocuDataId(string fotoDocuDataId)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Fotodoku\FotoDokuViewModel.cs(140,38,140,43): warning CS8602: Dereference of a possibly null reference.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Fotodoku\FotoDokuViewModel.cs(150,34,150,57): warning CS8602: Dereference of a possibly null reference.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Fotodoku\FotoDokuViewModel.cs(153,56,153,80): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Fotodoku\FotoDokuViewModel.cs(160,83,160,115): warning CS8604: Possible null reference argument for parameter 'aufgabeId' in 'void IAnalyticsManager.TrackOrderImageDocuAdded(string aufgabeId, int docuImageCount)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\ArticleBookingSelectionFromCatalogViewModel.cs(217,23,217,29): warning CS0612: 'Device' is obsolete
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\ArticleBookingSelectionFromCatalogViewModel.cs(217,23,217,131): warning CS0618: 'Device.InvokeOnMainThreadAsync(Action)' is obsolete: 'Use BindableObject.Dispatcher.DispatchAsync() instead.'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\ArticleBookingSelectionFromCatalogViewModel.cs(233,23,233,29): warning CS0612: 'Device' is obsolete
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\ArticleBookingSelectionFromCatalogViewModel.cs(233,23,233,131): warning CS0618: 'Device.InvokeOnMainThreadAsync(Action)' is obsolete: 'Use BindableObject.Dispatcher.DispatchAsync() instead.'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Materialanforderung\MaterialanforderungenErfassen\MaterialanforderungenArtikelView.xaml.cs(28,91,28,100): warning CS8602: Dereference of a possibly null reference.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Materialanforderung\MaterialanforderungenErfassen\MaterialanforderungenArtikelView.xaml.cs(24,16,24,48): warning CS8618: Non-nullable field 'viewModel' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Fotodoku\FotoDokuViewModel.cs(177,89,177,106): warning CS8604: Possible null reference argument for parameter 'aufgabeId' in 'List<Aufgabe> AufgabeRepo.getAllTextDocumentationItems(string aufgabeId)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\ArticleBookingSelectionFromCatalogViewModel.cs(241,28,241,60): warning CS1998: This async method lacks 'await' operators and will run synchronously. Consider using the 'await' operator to await non-blocking API calls, or 'await Task.Run(...)' to do CPU-bound work on a background thread.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Materialanforderung\MaterialanforderungenErfassen\MaterialanforderungenDetailView.xaml.cs(18,16,18,47): warning CS8618: Non-nullable field 'viewModel' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\ArticleBookingSelectionFromCatalogViewModel.cs(260,20,260,24): warning CS8603: Possible null reference return.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\DataPrepManager\DataPrepManager.cs(41,41,41,45): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\DataPrepManager\DataPrepManager.cs(46,63,46,67): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Materialanforderung\MaterialanforderungenErfassen\MaterialanforderungenErfassenPage.cs(27,32,27,62): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Materialanforderung\MaterialanforderungenErfassen\MaterialanforderungenErfassenPage.cs(28,31,28,64): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Fotodoku\FotoDokuViewModel.cs(210,25,210,31): warning CS0612: 'Device' is obsolete
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Fotodoku\FotoDokuViewModel.cs(210,25,210,136): warning CS0618: 'Device.BeginInvokeOnMainThread(Action)' is obsolete: 'Use BindableObject.Dispatcher.Dispatch() instead.'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Fotodoku\FotoDokuViewModel.cs(224,25,224,31): warning CS0612: 'Device' is obsolete
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Fotodoku\FotoDokuViewModel.cs(224,25,228,27): warning CS0618: 'Device.BeginInvokeOnMainThread(Action)' is obsolete: 'Use BindableObject.Dispatcher.Dispatch() instead.'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Fotodoku\FotoDokuViewModel.cs(234,17,234,23): warning CS0612: 'Device' is obsolete
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Fotodoku\FotoDokuViewModel.cs(234,17,237,19): warning CS0618: 'Device.BeginInvokeOnMainThread(Action)' is obsolete: 'Use BindableObject.Dispatcher.Dispatch() instead.'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Fotodoku\FotoDokuViewModel.cs(223,125,223,139): warning CS8602: Dereference of a possibly null reference.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Fotodoku\FotoDokuViewModel.cs(223,125,223,146): warning CS8602: Dereference of a possibly null reference.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Fotodoku\FotoDokuViewModel.cs(223,90,223,123): warning CS8604: Possible null reference argument for parameter 'aufgabeId' in 'void IAnalyticsManager.TrackOrderImageDocuSent(string aufgabeId, int docuImageCount)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\DataPrepManager\DataPrepManager.cs(110,63,110,67): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Materialanforderung\MaterialanforderungenErfassen\MaterialanforderungenErfassenViewModel.cs(537,16,537,35): warning CS8618: Non-nullable property 'OnTapped' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Materialanforderung\MaterialanforderungenErfassen\MaterialanforderungenErfassenViewModel.cs(537,16,537,35): warning CS8618: Non-nullable property 'OnLongTapped' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Materialanforderung\MaterialanforderungenOverview\MaterialanforderungenRD.cs(27,107,27,124): warning CS8604: Possible null reference argument for parameter 'aufgabeId' in 'Aufgabe AufgabeListeRepository.GetAufgabeById(string aufgabeId)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Materialanforderung\MaterialanforderungenOverview\MaterialanforderungenViewModel.cs(49,27,49,37): warning CS1998: This async method lacks 'await' operators and will run synchronously. Consider using the 'await' operator to await non-blocking API calls, or 'await Task.Run(...)' to do CPU-bound work on a background thread.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\VorgangDetailBottomSheet.xaml.cs(48,13,48,19): warning CS0612: 'Device' is obsolete
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\VorgangDetailBottomSheet.xaml.cs(48,13,48,74): warning CS0618: 'Device.BeginInvokeOnMainThread(Action)' is obsolete: 'Use BindableObject.Dispatcher.Dispatch() instead.'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Materialanforderung\MaterialanforderungenOverview\MaterialanforderungenView.xaml.cs(53,147,53,158): warning CS8604: Possible null reference argument for parameter 'anforderung' in 'MaterialanforderungenErfassenPage.MaterialanforderungenErfassenPage(Aufgabe selectedAufgabe, Action refreshViewCommand, Monteurbericht anforderung = null)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Materialanforderung\MaterialanforderungenErfassen\MaterialanforderungenErfassenViewModel.cs(101,27,101,33): warning CS0612: 'Device' is obsolete
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Materialanforderung\MaterialanforderungenErfassen\MaterialanforderungenErfassenViewModel.cs(101,27,101,101): warning CS0618: 'Device.BeginInvokeOnMainThread(Action)' is obsolete: 'Use BindableObject.Dispatcher.Dispatch() instead.'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Materialanforderung\MaterialanforderungenErfassen\MaterialanforderungenErfassenViewModel.cs(105,80,105,86): warning CS0612: 'Device' is obsolete
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Materialanforderung\MaterialanforderungenErfassen\MaterialanforderungenErfassenViewModel.cs(105,80,113,23): warning CS0618: 'Device.BeginInvokeOnMainThread(Action)' is obsolete: 'Use BindableObject.Dispatcher.Dispatch() instead.'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Materialanforderung\MaterialanforderungenErfassen\MaterialanforderungenErfassenViewModel.cs(93,16,93,54): warning CS8618: Non-nullable field 'refreshTitleBarAction' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\VorgangDetailBottomSheet\VorgangArbeitspaketeView.xaml.cs(28,13,28,19): warning CS0612: 'Device' is obsolete
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\VorgangDetailBottomSheet\VorgangArbeitspaketeView.xaml.cs(28,13,28,80): warning CS0618: 'Device.BeginInvokeOnMainThread(Action)' is obsolete: 'Use BindableObject.Dispatcher.Dispatch() instead.'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\VorgangDetailBottomSheet\VorgangArbeitspaketeView.xaml.cs(33,80,33,97): warning CS8604: Possible null reference argument for parameter 'rootBookingId' in 'Task<List<ArbeitspaketData>> DbArbeitspaketData.GetAllByRootBookingId(string rootBookingId)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Materialanforderung\MaterialanforderungenErfassen\MaterialanforderungenErfassenViewModel.cs(152,45,152,105): warning CS8604: Possible null reference argument for parameter 'item' in 'int Collection<MonteurArtikelModel>.IndexOf(MonteurArtikelModel item)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Materialanforderung\MaterialanforderungenErfassen\MaterialanforderungenErfassenViewModel.cs(159,57,159,61): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Materialanforderung\MaterialanforderungenErfassen\MaterialanforderungenErfassenViewModel.cs(162,45,162,105): warning CS8604: Possible null reference argument for parameter 'item' in 'int Collection<MonteurArtikelModel>.IndexOf(MonteurArtikelModel item)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Materialanforderung\MaterialanforderungenErfassen\MaterialanforderungenErfassenViewModel.cs(165,57,165,61): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\VorgangDetailBottomSheet\VorgangAnhangView.xaml.cs(157,16,157,29): warning CS8618: Non-nullable property 'ContainingView' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\VorgangDetailBottomSheet\VorgangBerichteView.xaml.cs(26,17,26,40): warning CS8602: Dereference of a possibly null reference.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\VorgangDetailBottomSheet\VorgangBerichteView.xaml.cs(30,117,30,142): warning CS8604: Possible null reference argument for parameter 'aufgabeBuchungsId' in 'BerichteAbrufPage.BerichteAbrufPage(string aufgabeBuchungsId)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Materialanforderung\MaterialanforderungenErfassen\MaterialanforderungenErfassenViewModel.cs(187,93,187,97): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\VorgangDetailBottomSheet\VorgangAnhangView.xaml.cs(51,40,51,44): warning CS8600: Converting null literal or possible null value to non-nullable type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\VorgangDetailBottomSheet\VorgangAnhangView.xaml.cs(56,29,56,93): warning CS8604: Possible null reference argument for parameter 'source' in 'List<Dokument> Enumerable.ToList<Dokument>(IEnumerable<Dokument> source)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\VorgangDetailBottomSheet\VorgangAnhangView.xaml.cs(63,45,63,62): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\VorgangDetailBottomSheet\VorgangAnhangView.xaml.cs(78,45,78,62): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\VorgangDetailBottomSheet\VorgangAnhangView.xaml.cs(83,37,83,60): warning CS8602: Dereference of a possibly null reference.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Materialanforderung\MaterialanforderungenErfassen\MaterialanforderungenErfassenViewModel.cs(211,17,211,23): warning CS0612: 'Device' is obsolete
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Materialanforderung\MaterialanforderungenErfassen\MaterialanforderungenErfassenViewModel.cs(211,17,211,110): warning CS0618: 'Device.BeginInvokeOnMainThread(Action)' is obsolete: 'Use BindableObject.Dispatcher.Dispatch() instead.'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\VorgangDetailBottomSheet\VorgangBerichteView.xaml.cs(42,77,42,94): warning CS8604: Possible null reference argument for parameter 'aufgBuchungsId' in 'List<Monteurbericht> MonteurberichtRepository.GetBerichteByVorg(string aufgBuchungsId, ClosedStatus status, DateTime? date = null)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\VorgangDetailBottomSheet\VorgangBerichteView.xaml.cs(102,16,102,34): warning CS8618: Non-nullable property 'OnTapped' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\VorgangDetailBottomSheet\VorgangBerichteView.xaml.cs(111,16,111,34): warning CS8618: Non-nullable property 'OnTapped' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Materialanforderung\MaterialanforderungenErfassen\MaterialanforderungenErfassenViewModel.cs(282,88,282,92): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Materialanforderung\MaterialanforderungenErfassen\MaterialanforderungenErfassenViewModel.cs(290,27,290,31): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\VorgangDetailBottomSheet\VorgangPositionenView.xaml.cs(30,68,30,78): warning CS8604: Possible null reference argument for parameter 'aufgabeId' in 'List<Aufgabe> AufgabeRepository.GibUnteraufgaben(string aufgabeId, bool rekursiv = false)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\VorgangDetailBottomSheet\VorgangPositionenView.xaml.cs(38,20,38,31): warning CS8603: Possible null reference return.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\VorgangDetailBottomSheet\VorgDetailsMenuView.xaml.cs(26,16,26,35): warning CS8618: Non-nullable field 'items' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Materialanforderung\MaterialanforderungenErfassen\MaterialanforderungenErfassenViewModel.cs(325,17,325,23): warning CS0612: 'Device' is obsolete
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Materialanforderung\MaterialanforderungenErfassen\MaterialanforderungenErfassenViewModel.cs(325,17,326,99): warning CS0618: 'Device.BeginInvokeOnMainThread(Action)' is obsolete: 'Use BindableObject.Dispatcher.Dispatch() instead.'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Wetterdoku\WetterDokuOverviewModel.cs(25,16,25,39): warning CS8618: Non-nullable field 'dokuItems' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\VorgangDetailBottomSheet\VorgDetailsMenuView.xaml.cs(88,19,88,57): warning CS8602: Dereference of a possibly null reference.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Wetterdoku\WetterDokuOverviewModel.cs(92,16,92,26): warning CS8618: Non-nullable property 'Title' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Wetterdoku\WetterDokuOverviewModel.cs(92,16,92,26): warning CS8618: Non-nullable property 'SubTitle' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\VorgangsContentView.xaml.cs(75,29,75,35): warning CS0612: 'Device' is obsolete
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\VorgangsContentView.xaml.cs(75,29,76,115): warning CS0618: 'Device.BeginInvokeOnMainThread(Action)' is obsolete: 'Use BindableObject.Dispatcher.Dispatch() instead.'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\VorgangsContentView.xaml.cs(30,17,30,40): warning CS8602: Dereference of a possibly null reference.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Wetterdoku\WetterDokuOverviewModel.cs(145,20,145,24): warning CS8603: Possible null reference return.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\VorgangDetailBottomSheet\VorgDetailsMenuView.xaml.cs(129,20,129,24): warning CS8603: Possible null reference return.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Wetterdoku\WetterDokuOverviewModel.cs(101,28,101,39): warning CS8618: Non-nullable property 'ImageSource' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Wetterdoku\WetterDokuOverviewModel.cs(102,23,102,34): warning CS8618: Non-nullable property 'Description' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Wetterdoku\WetterDokuOverviewPage.cs(23,51,23,81): warning CS8604: Possible null reference argument for parameter 'subtitle' in 'TitleBar.TitleBar(string title, string subtitle = null, bool centerTitle = false, bool hasIndicator = false, bool enableIcon = true)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Wetterdoku\WetterDokuOverviewModel.cs(35,57,35,61): warning CS8600: Converting null literal or possible null value to non-nullable type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Wetterdoku\WetterDokuOverviewModel.cs(38,76,38,100): warning CS8604: Possible null reference argument for parameter 'aufgabeBuchungId' in 'Task<List<WeatherReportData>> DbWeatherReportData.GetAllFromAufgabeAsync(string aufgabeBuchungId)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Wetterdoku\WetterDokuOverviewModel.cs(52,55,52,59): warning CS8600: Converting null literal or possible null value to non-nullable type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Wetterdoku\WetterDokuOverviewModel.cs(57,38,57,63): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Wetterdoku\WetterDokuOverviewModel.cs(63,41,63,45): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Wetterdoku\WetterDokuOverviewModel.cs(73,73,73,96): warning CS8602: Dereference of a possibly null reference.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Wetterdoku\WetterDokuPage.cs(22,69,22,96): warning CS0618: 'LayoutOptions.FillAndExpand' is obsolete: 'The StackLayout expansion options are deprecated; please use a Grid instead.'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Wetterdoku\WetterDokuPage.cs(23,141,23,166): warning CS8604: Possible null reference argument for parameter 'subtitle' in 'void ITitleBarBase.SetSubtitle(string subtitle)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Wetterdoku\WetterDokuPage.cs(24,60,24,90): warning CS8604: Possible null reference argument for parameter 'subtitle' in 'TitleBar.TitleBar(string title, string subtitle = null, bool centerTitle = false, bool hasIndicator = false, bool enableIcon = true)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Wetterdoku\WetterDokuViewModel.cs(49,24,49,48): warning CS8603: Possible null reference return.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Zeitbuchung\BuchungsItemTemplateSelector.cs(24,20,24,24): warning CS8603: Possible null reference return.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Zeitbuchung\BuchungsItemTemplateSelector.cs(11,29,11,52): warning CS8618: Non-nullable property 'LaufendeBuchungTemplate' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Zeitbuchung\BuchungsItemTemplateSelector.cs(12,29,12,48): warning CS8618: Non-nullable property 'ZeitBuchungTemplate' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Zeitbuchung\BuchungsListe.xaml.cs(23,29,23,35): warning CS0612: 'Device' is obsolete
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Zeitbuchung\BuchungsListe.xaml.cs(23,29,23,92): warning CS0618: 'Device.InvokeOnMainThreadAsync(Func<Task>)' is obsolete: 'Use BindableObject.Dispatcher.DispatchAsync() instead.'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Zeitbuchung\BuchungsListe.xaml.cs(23,29,23,92): warning CS4014: Because this call is not awaited, execution of the current method continues before the call is completed. Consider applying the 'await' operator to the result of the call.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Zeitbuchung\BuchungsListe.xaml.cs(24,29,24,35): warning CS0612: 'Device' is obsolete
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Zeitbuchung\BuchungsListe.xaml.cs(24,29,24,91): warning CS0618: 'Device.InvokeOnMainThreadAsync(Func<Task>)' is obsolete: 'Use BindableObject.Dispatcher.DispatchAsync() instead.'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Zeitbuchung\BuchungsListe.xaml.cs(24,29,24,91): warning CS4014: Because this call is not awaited, execution of the current method continues before the call is completed. Consider applying the 'await' operator to the result of the call.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Zeitbuchung\BuchungsListe.xaml.cs(23,26,23,28): warning CS1998: This async method lacks 'await' operators and will run synchronously. Consider using the 'await' operator to await non-blocking API calls, or 'await Task.Run(...)' to do CPU-bound work on a background thread.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Zeitbuchung\BuchungsListe.xaml.cs(24,26,24,28): warning CS1998: This async method lacks 'await' operators and will run synchronously. Consider using the 'await' operator to await non-blocking API calls, or 'await Task.Run(...)' to do CPU-bound work on a background thread.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Zeitbuchung\BuchungsListeViewModel.cs(359,35,359,42): warning CS8618: Non-nullable property 'Eintrag' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Zeitbuchung\BuchungsListeViewModel.cs(360,23,360,34): warning CS8618: Non-nullable property 'Mitarbeiter' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Zeitbuchung\BuchungsListeViewModel.cs(361,23,361,30): warning CS8618: Non-nullable property 'Aufgabe' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Zeitbuchung\BuchungsListeViewModel.cs(362,23,362,30): warning CS8618: Non-nullable property 'Zeitart' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Zeitbuchung\BuchungsListeViewModel.cs(363,23,363,27): warning CS8618: Non-nullable property 'Zeit' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Zeitbuchung\BuchungsListeViewModel.cs(364,23,364,31): warning CS8618: Non-nullable property 'InfoText' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Zeitbuchung\BuchungsListeViewModel.cs(365,25,365,30): warning CS8618: Non-nullable property 'OnTap' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Zeitbuchung\BuchungsListeViewModel.cs(378,25,378,33): warning CS8618: Non-nullable property 'OnResume' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Zeitbuchung\BuchungsListeViewModel.cs(379,25,379,32): warning CS8618: Non-nullable property 'OnPause' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Zeitbuchung\BuchungsListeViewModel.cs(380,25,380,31): warning CS8618: Non-nullable property 'OnStop' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Wetterdoku\WetterDokuViewModel.cs(88,39,88,43): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Zeitbuchung\EchtzeiterfassungPage.cs(19,13,19,19): warning CS0612: 'Device' is obsolete
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Zeitbuchung\EchtzeiterfassungPage.cs(19,13,19,102): warning CS0618: 'Device.BeginInvokeOnMainThread(Action)' is obsolete: 'Use BindableObject.Dispatcher.Dispatch() instead.'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Zeitbuchung\EchtzeiterfassungPage.cs(37,30,37,45): warning CS8604: Possible null reference argument for parameter 'title' in 'void PageViewRoot.SetTitle(string title)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Zeitbuchung\EchtzeiterfassungPage.cs(38,33,38,51): warning CS8604: Possible null reference argument for parameter 'subtitle' in 'void PageViewRoot.SetSubtitle(string subtitle)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Zeitbuchung\EchtzeiterfassungPage.cs(39,38,39,60): warning CS8604: Possible null reference argument for parameter 'items' in 'void PageViewRoot.SetTitleBarItems(List<ITitleBarItemB> items)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Zeitbuchung\NacherfassungPage.cs(21,13,21,19): warning CS0612: 'Device' is obsolete
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Zeitbuchung\NacherfassungPage.cs(21,13,21,102): warning CS0618: 'Device.BeginInvokeOnMainThread(Action)' is obsolete: 'Use BindableObject.Dispatcher.Dispatch() instead.'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Zeitbuchung\EchtzeiterfassungViewModel.cs(59,24,59,56): warning CS8603: Possible null reference return.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Zeitbuchung\NacherfassungPage.cs(37,59,37,66): warning CS8604: Possible null reference argument for parameter 'eintrag' in 'NacherfassungView.NacherfassungView(IBookable bookable, NachbuchungEintrag eintrag, DateTime? initialDate, bool spesenErfassung, Action<bool> onFinish, Action<ITitleBarInfo> onAufgabeChangedAction)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Zeitbuchung\NacherfassungPage.cs(37,130,37,148): warning CS8604: Possible null reference argument for parameter 'subtitle' in 'void PageViewRoot.SetSubtitle(string subtitle)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Zeitbuchung\NacherfassungPage.cs(40,30,40,45): warning CS8604: Possible null reference argument for parameter 'title' in 'void PageViewRoot.SetTitle(string title)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Zeitbuchung\NacherfassungPage.cs(41,33,41,51): warning CS8604: Possible null reference argument for parameter 'subtitle' in 'void PageViewRoot.SetSubtitle(string subtitle)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Zeitbuchung\NacherfassungPage.cs(42,38,42,60): warning CS8604: Possible null reference argument for parameter 'items' in 'void PageViewRoot.SetTitleBarItems(List<ITitleBarItemB> items)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Zeitbuchung\NacherfassungsListe.xaml.cs(23,29,23,35): warning CS0612: 'Device' is obsolete
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Zeitbuchung\NacherfassungsListe.xaml.cs(23,29,23,92): warning CS0618: 'Device.InvokeOnMainThreadAsync(Func<Task>)' is obsolete: 'Use BindableObject.Dispatcher.DispatchAsync() instead.'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Zeitbuchung\NacherfassungsListe.xaml.cs(23,29,23,92): warning CS4014: Because this call is not awaited, execution of the current method continues before the call is completed. Consider applying the 'await' operator to the result of the call.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Zeitbuchung\NacherfassungsListe.xaml.cs(24,29,24,35): warning CS0612: 'Device' is obsolete
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Zeitbuchung\NacherfassungsListe.xaml.cs(24,29,24,91): warning CS0618: 'Device.InvokeOnMainThreadAsync(Func<Task>)' is obsolete: 'Use BindableObject.Dispatcher.DispatchAsync() instead.'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Zeitbuchung\NacherfassungsListe.xaml.cs(24,29,24,91): warning CS4014: Because this call is not awaited, execution of the current method continues before the call is completed. Consider applying the 'await' operator to the result of the call.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Zeitbuchung\NacherfassungsListe.xaml.cs(22,69,22,73): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Zeitbuchung\NacherfassungsListe.xaml.cs(23,26,23,28): warning CS1998: This async method lacks 'await' operators and will run synchronously. Consider using the 'await' operator to await non-blocking API calls, or 'await Task.Run(...)' to do CPU-bound work on a background thread.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Zeitbuchung\NacherfassungsListe.xaml.cs(24,26,24,28): warning CS1998: This async method lacks 'await' operators and will run synchronously. Consider using the 'await' operator to await non-blocking API calls, or 'await Task.Run(...)' to do CPU-bound work on a background thread.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Zeitbuchung\NacherfassungsListePage.cs(18,39,18,66): warning CS0618: 'LayoutOptions.FillAndExpand' is obsolete: 'The StackLayout expansion options are deprecated; please use a Grid instead.'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Zeitbuchung\LaufendeBuchungItemView.xaml.cs(70,40,70,63): warning CS8602: Dereference of a possibly null reference.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Zeitbuchung\LaufendeBuchungItemView.xaml.cs(77,39,77,62): warning CS8602: Dereference of a possibly null reference.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Zeitbuchung\NacherfassungViewModel.cs(81,24,81,49): warning CS8603: Possible null reference return.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Zeitbuchung\NacherfassungView.xaml.cs(61,21,61,44): warning CS8602: Dereference of a possibly null reference.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Zeitbuchung\NacherfassungViewModel.cs(102,24,102,53): warning CS8603: Possible null reference return.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Zeitbuchung\EchtzeiterfassungViewModel.cs(126,38,126,54): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Zeitbuchung\EchtzeiterfassungViewModel.cs(130,103,130,137): warning CS8620: Argument of type 'IEnumerable<string?>' cannot be used for parameter 'preselectedPersonal' of type 'IEnumerable<string>' in 'Task<List<PersonalData>> GroupSelectionPage.SelectPersonal(string title, IEnumerable<string> preselectedPersonal)' due to differences in the nullability of reference types.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Zeitbuchung\EchtzeiterfassungViewModel.cs(136,100,136,123): warning CS8604: Possible null reference argument for parameter 'aufgabeParentId' in 'Task<List<ArbeitspaketOverviewData>> DbArbeitspaketOverviewData.GetListAllOrderByPrefManagerAscAsync(string aufgabeParentId)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Zeitbuchung\EchtzeiterfassungViewModel.cs(166,51,166,92): warning CS8603: Possible null reference return.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Zeitbuchung\EchtzeiterfassungViewModel.cs(169,40,169,53): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Zeitbuchung\EchtzeiterfassungViewModel.cs(92,16,92,42): warning CS8618: Non-nullable field 'bemerkung' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Zeitbuchung\EchtzeiterfassungViewModel.cs(92,16,92,42): warning CS8618: Non-nullable field 'taetigkeiten' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Zeitbuchung\EchtzeiterfassungViewModel.cs(92,16,92,42): warning CS8618: Non-nullable field 'selectedTaetigkeit' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Zeitbuchung\EchtzeiterfassungViewModel.cs(92,16,92,42): warning CS8618: Non-nullable field 'selectedArbeitspaket' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Zeitbuchung\EchtzeiterfassungViewModel.cs(92,16,92,42): warning CS8618: Non-nullable field 'selectedPersonal' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Zeitbuchung\EchtzeiterfassungViewModel.cs(92,16,92,42): warning CS8618: Non-nullable field 'buchen' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Zeitbuchung\NacherfassungViewModel.cs(116,55,116,83): warning CS8603: Possible null reference return.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Zeitbuchung\LaufendeBuchungItemView.xaml.cs(15,32,15,42): warning CS8605: Unboxing a possibly null value.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Zeitbuchung\LaufendeBuchungItemView.xaml.cs(37,31,37,41): warning CS8605: Unboxing a possibly null value.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Zeitbuchung\LaufendeBuchungItemView.xaml.cs(61,35,61,45): warning CS8605: Unboxing a possibly null value.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Zeitbuchung\LaufendeBuchungItemView.xaml.cs(101,31,101,45): warning CS8600: Converting null literal or possible null value to non-nullable type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Zeitbuchung\LaufendeBuchungItemView.xaml.cs(102,46,102,57): warning CS8604: Possible null reference argument for parameter 'newOnResume' in 'void LaufendeBuchungItemView.OnResumeChanged(ICommand oldOnResume, ICommand newOnResume)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Zeitbuchung\LaufendeBuchungItemView.xaml.cs(121,30,121,44): warning CS8600: Converting null literal or possible null value to non-nullable type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Zeitbuchung\LaufendeBuchungItemView.xaml.cs(122,44,122,54): warning CS8604: Possible null reference argument for parameter 'newOnPause' in 'void LaufendeBuchungItemView.OnPauseChanged(ICommand oldOnPause, ICommand newOnPause)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Zeitbuchung\LaufendeBuchungItemView.xaml.cs(141,29,141,43): warning CS8600: Converting null literal or possible null value to non-nullable type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Zeitbuchung\LaufendeBuchungItemView.xaml.cs(142,42,142,51): warning CS8604: Possible null reference argument for parameter 'newOnStop' in 'void LaufendeBuchungItemView.OnStopChanged(ICommand oldOnStop, ICommand newOnStop)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Zeitbuchung\LaufendeBuchungItemView.xaml.cs(161,28,161,42): warning CS8600: Converting null literal or possible null value to non-nullable type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Zeitbuchung\LaufendeBuchungItemView.xaml.cs(162,40,162,48): warning CS8604: Possible null reference argument for parameter 'newOnTap' in 'void LaufendeBuchungItemView.OnTapChanged(ICommand oldOnTap, ICommand newOnTap)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Zeitbuchung\LaufendeBuchungItemView.xaml.cs(181,34,181,46): warning CS8600: Converting null literal or possible null value to non-nullable type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Zeitbuchung\LaufendeBuchungItemView.xaml.cs(182,52,182,66): warning CS8604: Possible null reference argument for parameter 'newMitarbeiter' in 'void LaufendeBuchungItemView.MitarbeiterChanged(string oldMitarbeiter, string newMitarbeiter)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Zeitbuchung\LaufendeBuchungItemView.xaml.cs(201,27,201,39): warning CS8600: Converting null literal or possible null value to non-nullable type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Zeitbuchung\LaufendeBuchungItemView.xaml.cs(202,38,202,45): warning CS8604: Possible null reference argument for parameter 'newZeit' in 'void LaufendeBuchungItemView.ZeitChanged(string oldZeit, string newZeit)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Zeitbuchung\LaufendeBuchungItemView.xaml.cs(221,27,221,39): warning CS8600: Converting null literal or possible null value to non-nullable type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Zeitbuchung\LaufendeBuchungItemView.xaml.cs(222,38,222,45): warning CS8604: Possible null reference argument for parameter 'newInfo' in 'void LaufendeBuchungItemView.InfoChanged(string oldInfo, string newInfo)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Zeitbuchung\EchtzeiterfassungViewModel.cs(186,100,186,131): warning CS8604: Possible null reference argument for parameter 'bookingId' in 'Task<List<IBookable>> BookingManager.GetBookableSubItemsByBookingId(string bookingId)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Zeitbuchung\NacherfassungViewModel.cs(142,24,142,56): warning CS8603: Possible null reference return.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\ArticleBookingSelectionFromItemsContentView.xaml.cs(18,16,18,59): warning CS8618: Non-nullable field 'aufgabe' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\ArticleBookingSelectionFromItemsContentView.xaml.cs(18,16,18,59): warning CS8618: Non-nullable field 'viewModel' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\ViewModelHelper\BuchungDataExt.cs(10,24,10,28): warning CS8603: Possible null reference return.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\ViewModelHelper\BuchungDataExt.cs(11,80,11,110): warning CS8604: Possible null reference argument for parameter 'aufgabeBuchungsId' in 'Task<ArbeitspaketOverviewData> DbArbeitspaketOverviewData.GetByAufgabeDataBuchungsId(string aufgabeBuchungsId)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Zeitbuchung\ZeitbuchungItemView.xaml.cs(24,28,24,42): warning CS8600: Converting null literal or possible null value to non-nullable type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Zeitbuchung\ZeitbuchungItemView.xaml.cs(25,40,25,48): warning CS8604: Possible null reference argument for parameter 'newOnTap' in 'void ZeitbuchungItemView.OnTapChanged(ICommand oldOnTap, ICommand newOnTap)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Zeitbuchung\ZeitbuchungItemView.xaml.cs(45,32,45,44): warning CS8600: Converting null literal or possible null value to non-nullable type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Zeitbuchung\ZeitbuchungItemView.xaml.cs(46,48,46,60): warning CS8604: Possible null reference argument for parameter 'newExtraInfo' in 'void ZeitbuchungItemView.ExtraInfoChanged(string oldExtraInfo, string newExtraInfo)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Zeitbuchung\ZeitbuchungItemView.xaml.cs(66,28,66,40): warning CS8600: Converting null literal or possible null value to non-nullable type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Zeitbuchung\ZeitbuchungItemView.xaml.cs(67,40,67,48): warning CS8604: Possible null reference argument for parameter 'newTitle' in 'void ZeitbuchungItemView.TitleChanged(string oldTitle, string newTitle)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Zeitbuchung\ZeitbuchungItemView.xaml.cs(87,27,87,39): warning CS8600: Converting null literal or possible null value to non-nullable type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Zeitbuchung\ZeitbuchungItemView.xaml.cs(88,38,88,45): warning CS8604: Possible null reference argument for parameter 'newZeit' in 'void ZeitbuchungItemView.ZeitChanged(string oldZeit, string newZeit)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Zeitbuchung\ZeitbuchungItemView.xaml.cs(108,27,108,39): warning CS8600: Converting null literal or possible null value to non-nullable type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Zeitbuchung\ZeitbuchungItemView.xaml.cs(109,38,109,45): warning CS8604: Possible null reference argument for parameter 'newInfo' in 'void ZeitbuchungItemView.InfoChanged(string oldInfo, string newInfo)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Zeitbuchung\ZeitbuchungItemView.xaml.cs(129,27,129,52): warning CS8605: Unboxing a possibly null value.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\ViewModelHelper\BuchungDataExt.cs(18,67,18,97): warning CS8604: Possible null reference argument for parameter 'aufgabeBuchungsId' in 'Task<AufgabeOverviewData> DbAufgabeOverviewData.GetByBookingId(string aufgabeBuchungsId)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\ViewModelHelper\BuchungDataExt.cs(30,24,30,28): warning CS8603: Possible null reference return.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\ViewModelHelper\BuchungDataExt.cs(31,74,31,104): warning CS8604: Possible null reference argument for parameter 'kuerzel' in 'Task<TaetigkeitOverviewData> DbTaetigkeitData.GetTaetigkeitOverviewByKuerzel(string kuerzel)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\ArticleBookingSelectionFromItemsViewModel.cs(43,16,43,57): warning CS8618: Non-nullable property 'SwitchToHierarchyViewCommand' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\ArticleBookingSelectionFromItemsViewModel.cs(43,16,43,57): warning CS8618: Non-nullable field 'childList' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\ArticleBookingSelectionFromItemsViewModel.cs(43,16,43,57): warning CS8618: Non-nullable field 'allSelectableArticles' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\ArticleBookingSelectionFromItemsViewModel.cs(43,16,43,57): warning CS8618: Non-nullable field 'allSelectableArticlesWithoutTexts' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\ArticleBookingSelectionFromItemsViewModel.cs(43,16,43,57): warning CS8618: Non-nullable field 'contentView' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\ArticleBookingSelectionFromItemsViewModel.cs(43,16,43,57): warning CS8618: Non-nullable field 'bufferedView' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\ArticleBookingSelectionFromItemsViewModel.cs(43,16,43,57): warning CS8618: Non-nullable field 'allFilteredArticles' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\ArticleBookingSelectionFromItemsViewModel.cs(54,29,54,39): warning CS1998: This async method lacks 'await' operators and will run synchronously. Consider using the 'await' operator to await non-blocking API calls, or 'await Task.Run(...)' to do CPU-bound work on a background thread.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\ViewModelHelper\ZeitartDataExt.cs(12,33,12,52): warning CS8604: Possible null reference argument for parameter 'textToAdd' in 'void addToSearchText(string textToAdd)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\ViewModelHelper\ZeitartDataExt.cs(13,33,13,56): warning CS8604: Possible null reference argument for parameter 'textToAdd' in 'void addToSearchText(string textToAdd)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\ArticleBookingSelectionFromItemsViewModel.cs(116,76,116,94): warning CS8604: Possible null reference argument for parameter 'aufgabeListId' in 'int AufgabeListeRepository.GibPositionenCount(string aufgabeListId)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\ArticleBookingSelectionFromItemsViewModel.cs(120,71,120,89): warning CS8604: Possible null reference argument for parameter 'aufgabeId' in 'int AufgabeRepository.GibPositionenCount(string aufgabeId)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\ArticleBookingSelectionFromItemsViewModel.cs(124,67,124,85): warning CS8604: Possible null reference argument for parameter 'rootId' in 'Task<List<SelectableArticleViewModel>> ArticleBookingSelectionFromItemsViewModel.CreateArticleListFromItemArticles(string rootId, Aufgabe selectedAufgabe, int count)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\View\BottomSheetElement.cs(94,31,94,45): warning CS8622: Nullability of reference types in type of parameter 'sender' of 'void BottomSheetElement.Pan_PanUpdated(object sender, PanUpdatedEventArgs e)' doesn't match the target delegate 'EventHandler<PanUpdatedEventArgs>' (possibly because of nullability attributes).
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\View\BottomSheetElement.cs(72,16,72,34): warning CS8618: Non-nullable field 'carouselViewParent' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Zeitbuchung\NacherfassungViewModel.cs(309,21,309,27): warning CS0612: 'Device' is obsolete
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Zeitbuchung\NacherfassungViewModel.cs(309,21,320,23): warning CS0618: 'Device.BeginInvokeOnMainThread(Action)' is obsolete: 'Use BindableObject.Dispatcher.Dispatch() instead.'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Zeitbuchung\NacherfassungViewModel.cs(188,43,188,66): warning CS8602: Dereference of a possibly null reference.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Zeitbuchung\NacherfassungViewModel.cs(193,31,193,38): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Zeitbuchung\NacherfassungViewModel.cs(226,55,226,80): warning CS8603: Possible null reference return.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Zeitbuchung\NacherfassungViewModel.cs(208,21,208,33): warning CS8604: Possible null reference argument for parameter 'items' in 'Task<object> IPickerManager.SelectItemModal(string title, IEnumerable<object> items, DataTemplate dataTemplate, object preSelection = null, SearchOptions? searchOptions = null, FavouriteOptions? favouriteOptions = null, string emptyListMessage = null)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Zeitbuchung\NacherfassungViewModel.cs(228,35,228,48): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Zeitbuchung\NacherfassungViewModel.cs(231,60,231,75): warning CS8604: Possible null reference argument for parameter 'obj' in 'void Action<IBookable>.Invoke(IBookable obj)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Zeitbuchung\NacherfassungViewModel.cs(239,21,239,36): warning CS8604: Possible null reference argument for parameter 'items' in 'Task<object> IPickerManager.SelectItemModal(string title, IEnumerable<object> items, DataTemplate dataTemplate, object preSelection = null, SearchOptions? searchOptions = null, FavouriteOptions? favouriteOptions = null, string emptyListMessage = null)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Zeitbuchung\NacherfassungViewModel.cs(260,38,260,54): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Zeitbuchung\NacherfassungViewModel.cs(264,103,264,137): warning CS8620: Argument of type 'IEnumerable<string?>' cannot be used for parameter 'preselectedPersonal' of type 'IEnumerable<string>' in 'Task<List<PersonalData>> GroupSelectionPage.SelectPersonal(string title, IEnumerable<string> preselectedPersonal)' due to differences in the nullability of reference types.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Zeitbuchung\NacherfassungViewModel.cs(299,51,299,92): warning CS8603: Possible null reference return.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Zeitbuchung\NacherfassungViewModel.cs(277,21,277,37): warning CS8604: Possible null reference argument for parameter 'items' in 'Task<object> IPickerManager.SelectItemModal(string title, IEnumerable<object> items, DataTemplate dataTemplate, object preSelection = null, SearchOptions? searchOptions = null, FavouriteOptions? favouriteOptions = null, string emptyListMessage = null)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Zeitbuchung\NacherfassungViewModel.cs(302,40,302,53): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Zeitbuchung\NacherfassungViewModel.cs(311,40,311,44): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Zeitbuchung\NacherfassungViewModel.cs(186,16,186,38): warning CS8618: Non-nullable field 'selectedAufgabe' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Zeitbuchung\NacherfassungViewModel.cs(186,16,186,38): warning CS8618: Non-nullable field 'bemerkung' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Zeitbuchung\NacherfassungViewModel.cs(186,16,186,38): warning CS8618: Non-nullable field 'spesenarten' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Zeitbuchung\NacherfassungViewModel.cs(186,16,186,38): warning CS8618: Non-nullable field 'selectedZeitart' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Zeitbuchung\NacherfassungViewModel.cs(186,16,186,38): warning CS8618: Non-nullable field 'selectedTaetigkeit' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Zeitbuchung\NacherfassungViewModel.cs(186,16,186,38): warning CS8618: Non-nullable field 'selectedPersonal' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Zeitbuchung\NacherfassungViewModel.cs(186,16,186,38): warning CS8618: Non-nullable field 'showTaetigkeitPicker' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Zeitbuchung\NacherfassungViewModel.cs(186,16,186,38): warning CS8618: Non-nullable field 'showZeitartPicker' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Zeitbuchung\NacherfassungViewModel.cs(186,16,186,38): warning CS8618: Non-nullable field 'showSpesenartPicker' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Zeitbuchung\NacherfassungViewModel.cs(186,16,186,38): warning CS8618: Non-nullable field 'selectedSpesenart' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Zeitbuchung\NacherfassungViewModel.cs(186,16,186,38): warning CS8618: Non-nullable field 'spesenDetail' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Zeitbuchung\NacherfassungViewModel.cs(186,16,186,38): warning CS8618: Non-nullable field 'selectedArbeitspaket' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Zeitbuchung\NacherfassungViewModel.cs(186,16,186,38): warning CS8618: Non-nullable field 'showArbeitspaketPicker' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Zeitbuchung\NacherfassungViewModel.cs(186,16,186,38): warning CS8618: Non-nullable field 'confirmButtonText' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Zeitbuchung\NacherfassungViewModel.cs(186,16,186,38): warning CS8618: Non-nullable field 'buchen' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Zeitbuchung\NacherfassungViewModel.cs(186,16,186,38): warning CS8618: Non-nullable field 'aufgabeTitle' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Zeitbuchung\NacherfassungViewModel.cs(186,16,186,38): warning CS8618: Non-nullable field 'showAufgabePicker' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Zeitbuchung\NacherfassungViewModel.cs(186,16,186,38): warning CS8618: Non-nullable field 'allArbeitspakete' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Zeitbuchung\NacherfassungViewModel.cs(186,16,186,38): warning CS8618: Non-nullable field 'allTaetigkeiten' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Zeitbuchung\NacherfassungViewModel.cs(186,16,186,38): warning CS8618: Non-nullable field 'allZeitarten' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Zeitbuchung\NacherfassungViewModel.cs(186,16,186,38): warning CS8618: Non-nullable property 'SelectedAbwesenheitsArt' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\ArticleBookingSelectionFromItemsViewModel.cs(180,19,180,25): warning CS0612: 'Device' is obsolete
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\ArticleBookingSelectionFromItemsViewModel.cs(180,19,180,92): warning CS0618: 'Device.InvokeOnMainThreadAsync(Action)' is obsolete: 'Use BindableObject.Dispatcher.DispatchAsync() instead.'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\ArticleBookingSelectionFromItemsViewModel.cs(222,27,222,33): warning CS0612: 'Device' is obsolete
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\ArticleBookingSelectionFromItemsViewModel.cs(222,27,222,146): warning CS0618: 'Device.InvokeOnMainThreadAsync(Action)' is obsolete: 'Use BindableObject.Dispatcher.DispatchAsync() instead.'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\ArticleBookingSelectionFromItemsViewModel.cs(228,27,228,33): warning CS0612: 'Device' is obsolete
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\ArticleBookingSelectionFromItemsViewModel.cs(228,27,228,122): warning CS0618: 'Device.InvokeOnMainThreadAsync(Action)' is obsolete: 'Use BindableObject.Dispatcher.DispatchAsync() instead.'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\View\DateSetter.xaml.cs(134,13,134,19): warning CS0612: 'Device' is obsolete
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\View\DateSetter.xaml.cs(134,13,134,83): warning CS0618: 'Device.BeginInvokeOnMainThread(Action)' is obsolete: 'Use BindableObject.Dispatcher.Dispatch() instead.'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\Repo.cs(84,18,84,22): warning CS8618: Non-nullable field 'writeConnection' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\Repo.cs(84,18,84,22): warning CS8618: Non-nullable field 'readConnection' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\Repo.cs(87,81,87,85): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\Repo.cs(87,87,87,91): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\View\ExpandableView\ExpandableView.cs(65,33,65,39): warning CS0612: 'Device' is obsolete
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\View\ExpandableView\ExpandableView.cs(65,33,68,35): warning CS0618: 'Device.BeginInvokeOnMainThread(Action)' is obsolete: 'Use BindableObject.Dispatcher.Dispatch() instead.'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\View\DateSetter.xaml.cs(214,45,214,73): warning CS8622: Nullability of reference types in type of parameter 'sender' of 'void DateSetter.DateSelector_PropertyChanged(object sender, PropertyChangedEventArgs e)' doesn't match the target delegate 'PropertyChangedEventHandler' (possibly because of nullability attributes).
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\Repo.cs(117,28,117,30): warning CS8604: Possible null reference argument for parameter 'id' in 'T Repo<T>.GetById(string id)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\Repo.cs(160,67,160,134): warning CS8604: Possible null reference argument for parameter 'methodName' in 'void ILogManager.LogE(Exception exception, string methodName = "", int lineNumber = -1)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\Repo.cs(196,102,196,106): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\View\DateSetter.xaml.cs(14,37,14,57): warning CS8605: Unboxing a possibly null value.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\View\DateSetter.xaml.cs(34,31,34,43): warning CS8605: Unboxing a possibly null value.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\View\DateSetter.xaml.cs(54,38,54,49): warning CS8600: Converting null literal or possible null value to non-nullable type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\View\DateSetter.xaml.cs(55,60,55,78): warning CS8604: Possible null reference argument for parameter 'newForegroundColor' in 'void DateSetter.ForegroundColorChanged(Color oldForegroundColor, Color newForegroundColor)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\View\DateSetter.xaml.cs(78,30,78,44): warning CS8605: Unboxing a possibly null value.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\View\DateSetter.xaml.cs(100,30,100,44): warning CS8605: Unboxing a possibly null value.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\View\DateSetter.xaml.cs(121,27,121,41): warning CS8605: Unboxing a possibly null value.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\View\DateSetter.xaml.cs(149,29,149,41): warning CS8600: Converting null literal or possible null value to non-nullable type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\View\DateSetter.xaml.cs(150,42,150,51): warning CS8604: Possible null reference argument for parameter 'newFormat' in 'void DateSetter.FormatChanged(string oldFormat, string newFormat)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\View\DateSetter.xaml.cs(169,34,169,48): warning CS8600: Converting null literal or possible null value to non-nullable type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\View\DateSetter.xaml.cs(170,52,170,66): warning CS8604: Possible null reference argument for parameter 'newBackCommand' in 'void DateSetter.BackCommandChanged(ICommand oldBackCommand, ICommand newBackCommand)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\View\DateSetter.xaml.cs(191,37,191,51): warning CS8600: Converting null literal or possible null value to non-nullable type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\View\DateSetter.xaml.cs(192,58,192,75): warning CS8604: Possible null reference argument for parameter 'newForwardCommand' in 'void DateSetter.ForwardCommandChanged(ICommand oldForwardCommand, ICommand newForwardCommand)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\Repo.cs(233,67,233,134): warning CS8604: Possible null reference argument for parameter 'methodName' in 'void ILogManager.LogE(Exception exception, string methodName = "", int lineNumber = -1)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\View\IncrementButton.xaml.cs(29,50,29,83): warning CS8622: Nullability of reference types in type of parameter 'sender' of 'void IncrementButton.DecrementGestureRecognizer_Tapped(object sender, EventArgs e)' doesn't match the target delegate 'EventHandler<TappedEventArgs>' (possibly because of nullability attributes).
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\View\IncrementButton.xaml.cs(30,50,30,83): warning CS8622: Nullability of reference types in type of parameter 'sender' of 'void IncrementButton.IncrementGestureRecognizer_Tapped(object sender, EventArgs e)' doesn't match the target delegate 'EventHandler<TappedEventArgs>' (possibly because of nullability attributes).
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\View\IncrementButton.xaml.cs(25,16,25,31): warning CS8618: Non-nullable event 'DecrementClicked' must contain a non-null value when exiting constructor. Consider declaring the event as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\View\IncrementButton.xaml.cs(25,16,25,31): warning CS8618: Non-nullable event 'IncrementClicked' must contain a non-null value when exiting constructor. Consider declaring the event as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\View\ExpandableView\ExpandableView.cs(176,41,176,68): warning CS0618: 'LayoutOptions.FillAndExpand' is obsolete: 'The StackLayout expansion options are deprecated; please use a Grid instead.'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\View\ExpandableView\ExpandableView.cs(150,16,150,30): warning CS8618: Non-nullable field 'expandedContent' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\View\ExpandableView\ExpandableView.cs(150,16,150,30): warning CS8618: Non-nullable field 'baseContent' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\View\ExpandableView\ExpandableView.cs(150,16,150,30): warning CS8618: Non-nullable field 'waitForSizeAllocCompletionSource' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\ArticleBookingSelectionFromMaterialRequestContentView.xaml.cs(18,17,18,70): warning CS8618: Non-nullable field 'viewModel' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\View\IViewNavigation.cs(33,36,33,44): warning CS8618: Non-nullable field 'IViewNav' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\Repo.cs(321,118,321,122): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\View\MatEntryScan.cs(10,38,10,42): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\View\ExpandableView\ExpandableView.cs(205,33,205,39): warning CS0612: 'Device' is obsolete
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\View\ExpandableView\ExpandableView.cs(205,33,208,35): warning CS0618: 'Device.BeginInvokeOnMainThread(Action)' is obsolete: 'Use BindableObject.Dispatcher.Dispatch() instead.'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\View\NavigationViewStack.cs(26,16,26,35): warning CS8618: Non-nullable field 'grid' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\View\NavigationViewStack.cs(26,16,26,35): warning CS8618: Non-nullable field 'rootView' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\View\NavigationViewStack.cs(26,16,26,35): warning CS8618: Non-nullable field 'currentTitleBar' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\View\NavigationViewStack.cs(26,16,26,35): warning CS8618: Non-nullable property 'CurrentNavigationTask' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\View\NavigationViewStack.cs(26,16,26,35): warning CS8618: Non-nullable event 'StackSizeChanged' must contain a non-null value when exiting constructor. Consider declaring the event as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\View\NavigationViewStack.cs(30,16,30,35): warning CS8618: Non-nullable field 'grid' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\View\NavigationViewStack.cs(30,16,30,35): warning CS8618: Non-nullable field 'rootView' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\View\NavigationViewStack.cs(30,16,30,35): warning CS8618: Non-nullable field 'currentTitleBar' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\View\NavigationViewStack.cs(30,16,30,35): warning CS8618: Non-nullable property 'CurrentNavigationTask' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\View\NavigationViewStack.cs(30,16,30,35): warning CS8618: Non-nullable event 'StackSizeChanged' must contain a non-null value when exiting constructor. Consider declaring the event as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\Repo.cs(451,28,451,32): warning CS8603: Possible null reference return.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\View\NavigationViewStack.cs(39,33,39,49): warning CS8622: Nullability of reference types in type of parameter 'sender' of 'void NavigationViewStack.Grid_SizeChanged(object sender, EventArgs e)' doesn't match the target delegate 'EventHandler' (possibly because of nullability attributes).
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\View\NavigationViewStack.cs(76,43,76,58): warning CS8604: Possible null reference argument for parameter 'title' in 'void ITitleBar.SetTitle(string title)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\View\NavigationViewStack.cs(77,46,77,64): warning CS8604: Possible null reference argument for parameter 'subtitle' in 'void ITitleBar.SetSubtitle(string subtitle)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\View\NavigationViewStack.cs(78,51,78,73): warning CS8604: Possible null reference argument for parameter 'items' in 'void ITitleBar.SetTitleBarItems(List<ITitleBarItemB> items)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\View\Tastatur\Tastatur.xaml.cs(73,17,73,23): warning CS0612: 'Device' is obsolete
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\View\Tastatur\Tastatur.xaml.cs(73,17,79,19): warning CS0618: 'Device.BeginInvokeOnMainThread(Action)' is obsolete: 'Use BindableObject.Dispatcher.Dispatch() instead.'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\View\Tastatur\Tastatur.xaml.cs(70,29,70,34): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\DokumentationsTextbausteinRepo.cs(36,24,36,28): warning CS8603: Possible null reference return.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\View\Terminuebersicht\TerminEntryViewModel.cs(12,23,12,34): warning CS8618: Non-nullable field 'terminColor' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\View\Terminuebersicht\TerminEntryViewModel.cs(13,37,13,52): warning CS8618: Non-nullable field 'selectedAufgabe' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\View\Terminuebersicht\TerminEntryViewModel.cs(14,24,14,34): warning CS8618: Non-nullable field 'terminTime' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\View\Terminuebersicht\TerminEntryViewModel.cs(15,24,15,35): warning CS8618: Non-nullable field 'activeSince' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\View\Terminuebersicht\TerminEntryViewModel.cs(57,25,57,30): warning CS8618: Non-nullable property 'OnTap' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\DokumentationsTextbausteinRepo.cs(58,24,58,28): warning CS8603: Possible null reference return.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\View\Tastatur\Tastatur.xaml.cs(89,16,89,24): warning CS8618: Non-nullable field 'inputView' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\View\Tastatur\Tastatur.xaml.cs(89,16,89,24): warning CS8618: Non-nullable field 'finishedFunc' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\DbPersonal.cs(13,20,16,15): warning CS8603: Possible null reference return.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\View\Terminuebersicht\TerminUebersichtView.xaml.cs(24,28,24,34): warning CS0612: 'Device' is obsolete
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\View\Terminuebersicht\TerminUebersichtView.xaml.cs(24,28,24,90): warning CS0618: 'Device.InvokeOnMainThreadAsync(Func<Task>)' is obsolete: 'Use BindableObject.Dispatcher.DispatchAsync() instead.'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\View\Terminuebersicht\TerminUebersichtView.xaml.cs(24,28,24,90): warning CS4014: Because this call is not awaited, execution of the current method continues before the call is completed. Consider applying the 'await' operator to the result of the call.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\View\Terminuebersicht\TerminUebersichtView.xaml.cs(25,29,25,35): warning CS0612: 'Device' is obsolete
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\View\Terminuebersicht\TerminUebersichtView.xaml.cs(25,29,25,91): warning CS0618: 'Device.InvokeOnMainThreadAsync(Func<Task>)' is obsolete: 'Use BindableObject.Dispatcher.DispatchAsync() instead.'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\View\Terminuebersicht\TerminUebersichtView.xaml.cs(25,29,25,91): warning CS4014: Because this call is not awaited, execution of the current method continues before the call is completed. Consider applying the 'await' operator to the result of the call.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\View\Terminuebersicht\TerminUebersichtView.xaml.cs(32,33,32,39): warning CS0612: 'Device' is obsolete
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\View\Terminuebersicht\TerminUebersichtView.xaml.cs(32,33,32,107): warning CS0618: 'Device.InvokeOnMainThreadAsync(Func<Task>)' is obsolete: 'Use BindableObject.Dispatcher.DispatchAsync() instead.'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\View\Terminuebersicht\TerminUebersichtView.xaml.cs(32,33,32,107): warning CS4014: Because this call is not awaited, execution of the current method continues before the call is completed. Consider applying the 'await' operator to the result of the call.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\View\Terminuebersicht\TerminUebersichtView.xaml.cs(33,33,33,39): warning CS0612: 'Device' is obsolete
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\View\Terminuebersicht\TerminUebersichtView.xaml.cs(33,33,33,106): warning CS0618: 'Device.InvokeOnMainThreadAsync(Func<Task>)' is obsolete: 'Use BindableObject.Dispatcher.DispatchAsync() instead.'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\View\Terminuebersicht\TerminUebersichtView.xaml.cs(33,33,33,106): warning CS4014: Because this call is not awaited, execution of the current method continues before the call is completed. Consider applying the 'await' operator to the result of the call.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\View\Terminuebersicht\TerminUebersichtView.xaml.cs(37,21,37,43): warning CS4014: Because this call is not awaited, execution of the current method continues before the call is completed. Consider applying the 'await' operator to the result of the call.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\View\Terminuebersicht\TerminUebersichtView.xaml.cs(20,16,20,36): warning CS8618: Non-nullable field 'bannerViewModel' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\View\Terminuebersicht\TerminUebersichtView.xaml.cs(24,25,24,27): warning CS1998: This async method lacks 'await' operators and will run synchronously. Consider using the 'await' operator to await non-blocking API calls, or 'await Task.Run(...)' to do CPU-bound work on a background thread.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\View\Terminuebersicht\TerminUebersichtView.xaml.cs(25,26,25,28): warning CS1998: This async method lacks 'await' operators and will run synchronously. Consider using the 'await' operator to await non-blocking API calls, or 'await Task.Run(...)' to do CPU-bound work on a background thread.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\View\Terminuebersicht\TerminUebersichtView.xaml.cs(32,30,32,32): warning CS1998: This async method lacks 'await' operators and will run synchronously. Consider using the 'await' operator to await non-blocking API calls, or 'await Task.Run(...)' to do CPU-bound work on a background thread.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\View\Terminuebersicht\TerminUebersichtView.xaml.cs(33,30,33,32): warning CS1998: This async method lacks 'await' operators and will run synchronously. Consider using the 'await' operator to await non-blocking API calls, or 'await Task.Run(...)' to do CPU-bound work on a background thread.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\AufgabeRepo.cs(31,31,31,78): warning CS8600: Converting null literal or possible null value to non-nullable type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\AufgabeRepo.cs(35,27,35,79): warning CS8600: Converting null literal or possible null value to non-nullable type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\AufgabeRepo.cs(40,24,40,28): warning CS8603: Possible null reference return.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\AufgabeRepo.cs(63,24,63,28): warning CS8603: Possible null reference return.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\AufgabeRepo.cs(75,136,75,146): warning CS8604: Possible null reference argument for parameter 'args' in 'List<Aufgabe> CustomSQLiteConnection.CustomQuery<Aufgabe>(string query, params object[] args)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\AufgabeRepo.cs(81,24,81,28): warning CS8603: Possible null reference return.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\View\Terminuebersicht\TerminUebersichtViewModel.cs(46,16,46,41): warning CS8618: Non-nullable field 'aufgabenList' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\View\TimeSelector.cs(100,30,100,33): warning CS0168: The variable 'exc' is declared but never used
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\View\TimeSelector.cs(134,30,134,33): warning CS0168: The variable 'exc' is declared but never used
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\View\TimeSelector.cs(161,57,161,92): warning CS8622: Nullability of reference types in type of parameter 'sender' of 'void TimeSelector.InvisibleTimePicker_PropertyChanged(object sender, PropertyChangedEventArgs e)' doesn't match the target delegate 'PropertyChangedEventHandler' (possibly because of nullability attributes).
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\View\TimeSelector.cs(183,13,183,19): warning CS0612: 'Device' is obsolete
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\View\TimeSelector.cs(183,13,183,78): warning CS0618: 'Device.BeginInvokeOnMainThread(Action)' is obsolete: 'Use BindableObject.Dispatcher.Dispatch() instead.'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\View\TimeSelector.cs(14,41,14,61): warning CS8605: Unboxing a possibly null value.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\View\TimeSelector.cs(39,35,39,47): warning CS8605: Unboxing a possibly null value.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\View\TimeSelector.cs(64,36,64,47): warning CS8600: Converting null literal or possible null value to non-nullable type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\View\TimeSelector.cs(65,52,65,64): warning CS8604: Possible null reference argument for parameter 'newTextColor' in 'void TimeSelector.TextColorChanged(Color oldTextColor, Color newTextColor)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\View\TimeSelector.cs(89,35,89,49): warning CS8605: Unboxing a possibly null value.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\View\TimeSelector.cs(124,33,124,45): warning CS8600: Converting null literal or possible null value to non-nullable type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\View\TimeSelector.cs(125,46,125,55): warning CS8604: Possible null reference argument for parameter 'newFormat' in 'void TimeSelector.FormatChanged(string oldFormat, string newFormat)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Helper\JsonHelper.cs(12,24,12,91): warning CS8603: Possible null reference return.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Helper\JsonHelper.cs(19,20,19,24): warning CS8603: Possible null reference return.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Helper\JsonHelper.cs(28,28,28,35): warning CS8603: Possible null reference return.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Helper\JsonHelper.cs(29,24,29,43): warning CS8603: Possible null reference return.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Helper\JsonHelper.cs(36,20,36,27): warning CS8603: Possible null reference return.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\ZeitbuchungWrapper.cs(31,21,31,37): warning CS8604: Possible null reference argument for parameter 'posID' in 'bool PersonalService.StarteArbeitszeit(DateTime? zeit, string zeitartId, string personalId, ManuelleAnpassung anpassung, string posID)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Fotodoku\ShowImageView.xaml.cs(106,35,106,39): warning CS8600: Converting null literal or possible null value to non-nullable type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Fotodoku\ShowImageView.xaml.cs(107,37,107,41): warning CS8600: Converting null literal or possible null value to non-nullable type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\ZeitbuchungWrapper.cs(145,21,145,37): warning CS8604: Possible null reference argument for parameter 'posID' in 'bool PersonalService.StarteGruppenArbeitszeit(DateTime? zeit, string zeitartId, IEnumerable<string> personal, ManuelleAnpassung anpassung, string posID)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Fotodoku\ShowImageView.xaml.cs(132,13,132,19): warning CS0612: 'Device' is obsolete
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Fotodoku\ShowImageView.xaml.cs(132,13,141,15): warning CS0618: 'Device.BeginInvokeOnMainThread(Action)' is obsolete: 'Use BindableObject.Dispatcher.Dispatch() instead.'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Fotodoku\ShowImageView.xaml.cs(135,51,135,55): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Fotodoku\ShowImageView.xaml.cs(136,65,136,67): warning CS1998: This async method lacks 'await' operators and will run synchronously. Consider using the 'await' operator to await non-blocking API calls, or 'await Task.Run(...)' to do CPU-bound work on a background thread.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\ZeitbuchungWrapper.cs(155,21,155,37): warning CS8604: Possible null reference argument for parameter 'posID' in 'bool PersonalService.StarteGruppenArbeitszeit(DateTime? zeit, string zeitartId, IEnumerable<PersonalInfo> personal, ManuelleAnpassung anpassung, string posID)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\ZeitbuchungWrapper.cs(164,80,164,96): warning CS8604: Possible null reference argument for parameter 'posID' in 'bool PersonalService.StartePause(string personalId, DateTime? zeit, ManuelleAnpassung anpassung, string posID)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\ZeitbuchungWrapper.cs(174,85,174,101): warning CS8604: Possible null reference argument for parameter 'posID' in 'bool PersonalService.StarteGruppenPause(IEnumerable<string> personalids, DateTime? zeit, ManuelleAnpassung anpassung, string posID)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\AnalyticsManager.cs(126,35,126,39): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\AnalyticsManager.cs(126,41,126,45): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\AnalyticsManager.cs(126,47,126,51): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\ZeitbuchungWrapper.cs(184,80,184,96): warning CS8604: Possible null reference argument for parameter 'posID' in 'bool PersonalService.BeendePause(string personalId, DateTime? zeit, ManuelleAnpassung? anpassung, string posID)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\ZeitbuchungWrapper.cs(194,90,194,106): warning CS8604: Possible null reference argument for parameter 'posID' in 'bool PersonalService.StarteOderBeendePause(string personalId, DateTime? zeit, ManuelleAnpassung anpassung, string posID)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Fotodoku\ShowImageView.xaml.cs(222,94,222,100): warning CS0612: 'Device' is obsolete
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Fotodoku\ShowImageView.xaml.cs(222,94,222,151): warning CS0618: 'Device.BeginInvokeOnMainThread(Action)' is obsolete: 'Use BindableObject.Dispatcher.Dispatch() instead.'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\ZeitbuchungWrapper.cs(204,85,204,101): warning CS8604: Possible null reference argument for parameter 'posID' in 'bool PersonalService.BeendeGruppenPause(IEnumerable<string> gruppenidliste, DateTime? zeit, ManuelleAnpassung? anpassung, string posID)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\AnalyticsManager.cs(153,46,153,50): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\AnalyticsManager.cs(153,52,153,56): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\AnalyticsManager.cs(153,58,153,62): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\ZeitbuchungWrapper.cs(213,75,213,91): warning CS8604: Possible null reference argument for parameter 'posID' in 'bool PersonalService.BeendeArbeitszeit(DateTime? zeit, string personalId, string posID)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\ZeitbuchungWrapper.cs(223,80,223,96): warning CS8604: Possible null reference argument for parameter 'posID' in 'bool PersonalService.BeendeGruppenArbeitszeit(DateTime? zeit, IEnumerable<string> pers, string posID)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\ZeitbuchungWrapper.cs(233,79,233,95): warning CS8604: Possible null reference argument for parameter 'posID' in 'bool PersonalService.BeendeGruppenArbeitszeit(DateTime? zeit, IEnumerable<PersonalInfo> persinf, string posID)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\ZeitbuchungWrapper.cs(243,95,243,111): warning CS8604: Possible null reference argument for parameter 'posID' in 'bool PersonalService.BeendeGruppenAufgabe(IEnumerable<string> personalids, string aufgabeId, DateTime? zeit, string posID, string bemerkung)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\ZeitbuchungWrapper.cs(254,21,254,37): warning CS8604: Possible null reference argument for parameter 'posID' in 'bool PersonalService.BeendeGruppenAufgabe(IEnumerable<string> personalids, string aufgabeId, DateTime? zeit, string posID, string bemerkung)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Fotodoku\FotoDokuViewModel.cs(304,110,304,114): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\ZeitbuchungWrapper.cs(270,54,270,58): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\ZeitbuchungWrapper.cs(274,55,274,59): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Fotodoku\FotoDokuViewModel.cs(327,13,327,19): warning CS0612: 'Device' is obsolete
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Fotodoku\FotoDokuViewModel.cs(327,13,327,128): warning CS0618: 'Device.BeginInvokeOnMainThread(Action)' is obsolete: 'Use BindableObject.Dispatcher.Dispatch() instead.'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Fotodoku\FotoDokuViewModel.cs(319,120,319,134): warning CS8602: Dereference of a possibly null reference.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Fotodoku\FotoDokuViewModel.cs(319,85,319,118): warning CS8604: Possible null reference argument for parameter 'aufgabeId' in 'void IAnalyticsManager.TrackOrderImageDocuDeleted(string aufgabeId, int docuImageCount)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Fotodoku\FotoDokuViewModel.cs(325,120,325,134): warning CS8602: Dereference of a possibly null reference.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Fotodoku\FotoDokuViewModel.cs(325,85,325,118): warning CS8604: Possible null reference argument for parameter 'aufgabeId' in 'void IAnalyticsManager.TrackOrderImageDocuDrafted(string aufgabeId, int docuImageCount)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\DataPrepManager\DataPrepManager.cs(143,24,143,28): warning CS8603: Possible null reference return.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\DataPrepManager\DataPrepManager.cs(145,20,149,15): warning CS8603: Possible null reference return.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Fotodoku\FotoDokuViewModel.cs(333,93,333,97): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Fotodoku\FotoDokuViewModel.cs(339,116,339,130): warning CS8602: Dereference of a possibly null reference.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Fotodoku\FotoDokuViewModel.cs(339,81,339,114): warning CS8604: Possible null reference argument for parameter 'aufgabeId' in 'void IAnalyticsManager.TrackOrderImageDocuDeleted(string aufgabeId, int docuImageCount)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\DataPrepManager\DataPrepManager.cs(156,24,156,28): warning CS8603: Possible null reference return.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\DataPrepManager\DataPrepManager.cs(160,73,160,95): warning CS8602: Dereference of a possibly null reference.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\DatabaseManager\DatabaseManager.cs(47,16,47,31): warning CS8618: Non-nullable property 'Db' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\ZeitbuchungWrapper.cs(284,34,284,38): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\ZeitbuchungWrapper.cs(286,72,286,76): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\ZeitbuchungWrapper.cs(296,54,296,58): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\ZeitbuchungWrapper.cs(299,51,299,55): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\AufgabeRepo.cs(228,20,228,24): warning CS8603: Possible null reference return.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\View\NavigationViewStack.cs(130,41,130,45): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\ZeitbuchungWrapper.cs(308,59,308,63): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\ZeitbuchungWrapper.cs(311,79,311,83): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\ZeitbuchungWrapper.cs(322,54,322,58): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\ZeitbuchungWrapper.cs(325,51,325,55): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\ZeitbuchungWrapper.cs(335,29,335,57): warning CS8600: Converting null literal or possible null value to non-nullable type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\ZeitbuchungWrapper.cs(338,80,338,89): warning CS8604: Possible null reference argument for parameter 'zeitartId' in 'Task<Tuple<bool, string>> ZeitbuchungWrapper.StarteAufgabe(string personalId, string aufgabeId, int? rowObjektAnlage, string zeitartId, TaetigkeitZeitart taetigkeit, DateTime? zeit, ManuelleAnpassung anpassung, string regienummer = null, string bemerkung = null)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\AufgabeRepo.cs(252,114,252,124): warning CS8604: Possible null reference argument for parameter 'args' in 'List<Aufgabe> CustomSQLiteConnection.CustomQuery<Aufgabe>(string query, params object[] args)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\AufgabeRepo.cs(258,58,258,66): warning CS8604: Possible null reference argument for parameter 'aufgabeId' in 'List<Aufgabe> AufgabeRepo.GibUnteraufgaben(string aufgabeId, bool rekursiv = false)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\AufgabeRepo.cs(267,118,267,128): warning CS8604: Possible null reference argument for parameter 'args' in 'List<Aufgabe> CustomSQLiteConnection.CustomQuery<Aufgabe>(string query, params object[] args)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\AufgabeRepo.cs(275,24,275,28): warning CS8603: Possible null reference return.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\View\NavigationViewStack.cs(178,41,178,45): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\AufgabeRepo.cs(308,57,308,67): warning CS8604: Possible null reference argument for parameter 'args' in 'List<Aufgabe> CustomSQLiteConnection.CustomQuery<Aufgabe>(string query, params object[] args)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\AufgabeRepo.cs(315,24,315,28): warning CS8603: Possible null reference return.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\View\NavigationViewStack.cs(223,41,223,45): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\AufgabeRepo.cs(350,79,350,89): warning CS8604: Possible null reference argument for parameter 'args' in 'List<Aufgabe> CustomSQLiteConnection.CustomQuery<Aufgabe>(string query, params object[] args)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\AufgabeRepo.cs(356,58,356,66): warning CS8604: Possible null reference argument for parameter 'aufgabeId' in 'List<Aufgabe> AufgabeRepo.GibUnteraufgaben(string aufgabeId, bool rekursiv = false)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\AufgabeRepo.cs(366,62,366,72): warning CS8604: Possible null reference argument for parameter 'args' in 'List<Aufgabe> CustomSQLiteConnection.CustomQuery<Aufgabe>(string query, params object[] args)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\AufgabeRepo.cs(373,24,373,28): warning CS8603: Possible null reference return.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\AufgabeRepo.cs(391,34,391,38): warning CS8600: Converting null literal or possible null value to non-nullable type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\AufgabeRepo.cs(400,24,400,28): warning CS8603: Possible null reference return.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Wetterdoku\WetterDokuViewModel.cs(115,28,115,51): warning CS8602: Dereference of a possibly null reference.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Wetterdoku\WetterDokuViewModel.cs(147,74,147,89): warning CS8604: Possible null reference argument for parameter 'id' in 'Task<AufgabeData?> DbAufgabeData.GetById(string id)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Wetterdoku\WetterDokuViewModel.cs(147,46,147,90): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Wetterdoku\WetterDokuViewModel.cs(150,63,150,77): warning CS8604: Possible null reference argument for parameter 'obj' in 'void Action<AufgabeData>.Invoke(AufgabeData obj)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Wetterdoku\WetterDokuViewModel.cs(161,74,161,84): warning CS8604: Possible null reference argument for parameter 'id' in 'Task<AufgabeData?> DbAufgabeData.GetById(string id)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Wetterdoku\WetterDokuViewModel.cs(161,46,161,85): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Wetterdoku\WetterDokuViewModel.cs(164,63,164,77): warning CS8604: Possible null reference argument for parameter 'obj' in 'void Action<AufgabeData>.Invoke(AufgabeData obj)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Wetterdoku\WetterDokuViewModel.cs(206,39,206,43): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Wetterdoku\WetterDokuViewModel.cs(208,36,208,48): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Wetterdoku\WetterDokuViewModel.cs(110,16,110,35): warning CS8618: Non-nullable field 'aufgabeTitle' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Wetterdoku\WetterDokuViewModel.cs(110,16,110,35): warning CS8618: Non-nullable field 'showAufgabePicker' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Wetterdoku\WetterDokuViewModel.cs(110,16,110,35): warning CS8618: Non-nullable field 'lastApiCall' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Wetterdoku\WetterDokuViewModel.cs(110,16,110,35): warning CS8618: Non-nullable property 'CurrentPositionInfo' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Wetterdoku\WetterDokuViewModel.cs(110,16,110,35): warning CS8618: Non-nullable field 'currentSituation' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\AufgabeRepo.cs(413,38,413,42): warning CS8600: Converting null literal or possible null value to non-nullable type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\AufgabeRepo.cs(423,24,423,28): warning CS8603: Possible null reference return.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\AufgabeRepo.cs(449,24,449,28): warning CS8603: Possible null reference return.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\AppManager.cs(25,126,25,143): warning CS8604: Possible null reference argument for parameter 'message' in 'Task LogManager.LogEAsync(Type classCaller, string message = null, Exception exception = null, string methodName = null, int lineNumber = -1)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\AppManager.cs(25,145,25,183): warning CS8604: Possible null reference argument for parameter 'exception' in 'Task LogManager.LogEAsync(Type classCaller, string message = null, Exception exception = null, string methodName = null, int lineNumber = -1)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\AppManager.cs(26,121,26,127): warning CS8602: Dereference of a possibly null reference.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\AppManager.cs(26,121,26,138): warning CS8604: Possible null reference argument for parameter 'message' in 'Task LogManager.LogEAsync(Type classCaller, string message = null, Exception exception = null, string methodName = null, int lineNumber = -1)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\AppManager.cs(11,36,11,44): warning CS8618: Non-nullable property 'Instance' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\AufgabeRepo.cs(475,24,475,28): warning CS8603: Possible null reference return.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\AufgabeRepo.cs(502,20,502,24): warning CS8603: Possible null reference return.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\BookingManager\BookingManager.cs(20,20,20,24): warning CS8603: Possible null reference return.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\BookingManager\BookingManager.cs(25,29,25,49): warning CS8600: Converting null literal or possible null value to non-nullable type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\BookingManager\BookingManager.cs(31,20,31,27): warning CS8603: Possible null reference return.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\BookingManager\BookingManager.cs(38,41,38,79): warning CS8600: Converting null literal or possible null value to non-nullable type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\BookingManager\BookingManager.cs(42,20,42,24): warning CS8603: Possible null reference return.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\BookingManager\BookingManager.cs(47,29,47,49): warning CS8600: Converting null literal or possible null value to non-nullable type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\BookingManager\BookingManager.cs(53,20,53,27): warning CS8603: Possible null reference return.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\BookingManager\BookingManager.cs(60,82,60,103): warning CS8604: Possible null reference argument for parameter 'rootBookingId' in 'Task<List<ArbeitspaketData>> DbArbeitspaketData.GetAllByRootBookingId(string rootBookingId)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\BookingManager\BookingManager.cs(63,20,63,24): warning CS8603: Possible null reference return.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Wetterdoku\WetterDokuViewModel.cs(383,17,383,23): warning CS0612: 'Device' is obsolete
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Wetterdoku\WetterDokuViewModel.cs(383,17,386,19): warning CS0618: 'Device.BeginInvokeOnMainThread(Action)' is obsolete: 'Use BindableObject.Dispatcher.Dispatch() instead.'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Wetterdoku\WetterDokuViewModel.cs(371,41,371,65): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Wetterdoku\WetterDokuViewModel.cs(372,39,372,62): warning CS8602: Dereference of a possibly null reference.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Wetterdoku\WetterDokuViewModel.cs(377,84,377,109): warning CS8604: Possible null reference argument for parameter 'aufgabeId' in 'void IAnalyticsManager.TrackOrderWeatherDocuSent(string aufgabeId, bool isOnlineData)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\AufgabeRepo.cs(601,82,601,89): warning CS8602: Dereference of a possibly null reference.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\AufgabeRepo.cs(603,53,603,60): warning CS8604: Possible null reference argument for parameter 'item' in 'void List<Aufgabe>.Add(Aufgabe item)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\AufgabeRepo.cs(551,61,551,84): warning CS8073: The result of the expression is always 'true' since a value of type 'DateTime' is never equal to 'null' of type 'DateTime?'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\AufgabeRepo.cs(553,79,553,108): warning CS8073: The result of the expression is always 'true' since a value of type 'DateTime' is never equal to 'null' of type 'DateTime?'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\AufgabeRepo.cs(553,51,553,75): warning CS8073: The result of the expression is always 'true' since a value of type 'DateTime' is never equal to 'null' of type 'DateTime?'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\AufgabeRepo.cs(553,21,553,47): warning CS8073: The result of the expression is always 'true' since a value of type 'DateTime' is never equal to 'null' of type 'DateTime?'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\BookingManager\BookingManagerEchtzeit.cs(99,13,99,28): warning CS0618: 'MessagingCenter' is obsolete: 'We recommend migrating to `CommunityToolkit.MVVM.WeakReferenceMessenger`: https://www.nuget.org/packages/CommunityToolkit.Mvvm'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\BookingManager\BookingManagerEchtzeit.cs(101,23,101,29): warning CS0612: 'Device' is obsolete
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\BookingManager\BookingManagerEchtzeit.cs(101,23,106,19): warning CS0618: 'Device.InvokeOnMainThreadAsync(Func<Task>)' is obsolete: 'Use BindableObject.Dispatcher.DispatchAsync() instead.'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\BookingManager\BookingManagerEchtzeit.cs(114,13,114,28): warning CS0618: 'MessagingCenter' is obsolete: 'We recommend migrating to `CommunityToolkit.MVVM.WeakReferenceMessenger`: https://www.nuget.org/packages/CommunityToolkit.Mvvm'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\BookingManager\BookingManagerEchtzeit.cs(121,13,121,28): warning CS0618: 'MessagingCenter' is obsolete: 'We recommend migrating to `CommunityToolkit.MVVM.WeakReferenceMessenger`: https://www.nuget.org/packages/CommunityToolkit.Mvvm'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\BookingManager\BookingManagerEchtzeit.cs(392,100,392,149): warning CS8604: Possible null reference argument for parameter 'aufgabeParentId' in 'Task<List<ArbeitspaketOverviewData>> DbArbeitspaketOverviewData.GetListAllOrderByPrefManagerAscAsync(string aufgabeParentId)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Zeitbuchung\BuchungsListeViewModel.cs(53,45,53,68): warning CS8602: Dereference of a possibly null reference.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Zeitbuchung\BuchungsListeViewModel.cs(49,16,49,38): warning CS8618: Non-nullable field 'addItemCommand' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Zeitbuchung\BuchungsListeViewModel.cs(49,16,49,38): warning CS8618: Non-nullable field 'buchungen' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\BookingManager\BookingStateManager.cs(25,28,25,32): warning CS8603: Possible null reference return.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\BookingManager\BookingStateManager.cs(33,233,33,249): warning CS8602: Dereference of a possibly null reference.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\BookingManager\BookingStateManager.cs(33,172,33,187): warning CS8604: Possible null reference argument for parameter 'personalDataId' in 'Task<BuchungData> DbBuchungData.GetLastBuchungDataEchtzeitWithoutDateTimeEnd(string personalDataId, BuchungType buchungType, string zeitartDataId)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\BookingManager\BookingStateManager.cs(33,233,33,252): warning CS8604: Possible null reference argument for parameter 'zeitartDataId' in 'Task<BuchungData> DbBuchungData.GetLastBuchungDataEchtzeitWithoutDateTimeEnd(string personalDataId, BuchungType buchungType, string zeitartDataId)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\BookingManager\BookingStateManager.cs(38,217,38,235): warning CS8602: Dereference of a possibly null reference.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\BookingManager\BookingStateManager.cs(38,217,38,238): warning CS8604: Possible null reference argument for parameter 'zeitartDataId' in 'Task<BuchungData> DbBuchungData.GetLastBuchungDataEchtzeitWithoutDateTimeEnd(string personalDataId, BuchungType buchungType, string zeitartDataId)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\BookingManager\BookingStateManager.cs(43,216,43,233): warning CS8602: Dereference of a possibly null reference.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\BookingManager\BookingStateManager.cs(43,216,43,236): warning CS8604: Possible null reference argument for parameter 'zeitartDataId' in 'Task<BuchungData> DbBuchungData.GetLastBuchungDataEchtzeitWithoutDateTimeEnd(string personalDataId, BuchungType buchungType, string zeitartDataId)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\BookingManager\BookingStateManager.cs(47,95,47,99): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\BookingManager\BookingStateManager.cs(54,20,54,24): warning CS8603: Possible null reference return.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Zeitbuchung\BuchungsListeViewModel.cs(77,23,77,43): warning CS8602: Dereference of a possibly null reference.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Zeitbuchung\BuchungsListeViewModel.cs(79,23,79,45): warning CS8602: Dereference of a possibly null reference.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Zeitbuchung\BuchungsListeViewModel.cs(87,23,87,45): warning CS8602: Dereference of a possibly null reference.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\ArticleBookingSelectionFromMaterialRequestOverviewContentView.xaml.cs(15,17,15,78): warning CS8618: Non-nullable field 'viewModel' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\BookingManager\BookingManagerEchtzeit.cs(398,104,398,118): warning CS8602: Dereference of a possibly null reference.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\BookingManager\BookingManagerEchtzeit.cs(398,104,398,138): warning CS8604: Possible null reference argument for parameter 'personalDataId' in 'Task<List<BuchungData>> DbBuchungData.GetListBuchungDataEchtzeitWithoutDateTimeEnd(string personalDataId, BuchungType buchungType, string zeitartDataId)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\BookingManager\BookingManagerEchtzeit.cs(398,184,398,188): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Materialanforderung\MaterialanforderungenOverview\MaterialanforderungenViewModel.cs(76,61,76,86): warning CS8604: Possible null reference argument for parameter 'aufgBuchungsId' in 'List<Monteurbericht> MonteurberichtRepository.GetAnforderungenByVorg(string aufgBuchungsId, ClosedStatus status, DateTime? date = null)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Materialanforderung\MaterialanforderungenOverview\MaterialanforderungenViewModel.cs(89,50,89,135): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Materialanforderung\MaterialanforderungenOverview\MaterialanforderungenViewModel.cs(27,25,27,32): warning CS8618: Non-nullable field 'aufgabe' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Materialanforderung\MaterialanforderungenOverview\MaterialanforderungenViewModel.cs(28,38,28,59): warning CS8618: Non-nullable field 'filteredAnforderungen' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Materialanforderung\MaterialanforderungenOverview\MaterialanforderungenViewModel.cs(29,24,29,37): warning CS8618: Non-nullable field 'emptyViewText' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Materialanforderung\MaterialanforderungenOverview\MaterialanforderungenViewModel.cs(31,28,31,37): warning CS8618: Non-nullable field 'preFilter' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Materialanforderung\MaterialanforderungenOverview\MaterialanforderungenViewModel.cs(32,28,32,38): warning CS8618: Non-nullable field 'postFilter' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Materialanforderung\MaterialanforderungenOverview\MaterialanforderungenViewModel.cs(42,23,42,49): warning CS8618: Non-nullable field 'RefreshAnforderungenAction' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Materialanforderung\MaterialanforderungenOverview\MaterialanforderungenViewModel.cs(43,26,43,39): warning CS8618: Non-nullable field 'onAllSelected' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Materialanforderung\MaterialanforderungenOverview\MaterialanforderungenViewModel.cs(44,26,44,40): warning CS8618: Non-nullable field 'onOpenSelected' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Materialanforderung\MaterialanforderungenOverview\MaterialanforderungenViewModel.cs(45,26,45,40): warning CS8618: Non-nullable field 'onSentSelected' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Materialanforderung\MaterialanforderungenOverview\MaterialanforderungenViewModel.cs(47,38,47,55): warning CS8618: Non-nullable property 'AlleAnforderungen' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\BookingManager\ZeitartEchtzeitData.cs(9,17,9,36): warning CS8618: Non-nullable property 'Id' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\BookingManager\ZeitartEchtzeitData.cs(9,17,9,36): warning CS8618: Non-nullable property 'DisplayName' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\BookingManager\BookingManagerEchtzeit.cs(147,73,147,96): warning CS8602: Dereference of a possibly null reference.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\BookingManager\TeamBuchungStateManager.cs(28,34,28,57): warning CS8602: Dereference of a possibly null reference.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\BookingManager\TeamBuchungStateManager.cs(31,17,31,31): warning CS8602: Dereference of a possibly null reference.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\BookingManager\TeamBuchungStateManager.cs(31,99,31,121): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\BookingManager\TeamBuchungStateManager.cs(31,143,31,170): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\BookingManager\TeamBuchungStateManager.cs(37,34,37,45): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\BookingManager\TeamBuchungStateManager.cs(41,63,41,74): warning CS8604: Possible null reference argument for parameter 'id' in 'Task<PersonalData> DbPersonalData.GetById(string id)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\BookingManager\TeamBuchungStateManager.cs(43,161,43,165): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\BookingManager\TeamBuchungStateManager.cs(53,37,53,44): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\BookingManager\BookingManagerEchtzeit.cs(172,88,172,92): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\BookingManager\BookingManagerEchtzeit.cs(195,71,195,94): warning CS8602: Dereference of a possibly null reference.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\BookingManager\BookingManagerEchtzeit.cs(200,71,200,94): warning CS8602: Dereference of a possibly null reference.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\BookingManager\BookingManagerEchtzeit.cs(207,58,207,81): warning CS8602: Dereference of a possibly null reference.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\BookingManager\BookingManagerEchtzeit.cs(213,88,213,92): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\View\Terminuebersicht\TerminUebersichtViewModel.cs(143,40,143,57): warning CS8604: Possible null reference argument for parameter 'aufgBuchungsId' in 'List<Monteurbericht> MonteurberichtRepository.GetBerichteByVorg(string aufgBuchungsId, ClosedStatus status, DateTime? date = null)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\View\Terminuebersicht\TerminUebersichtViewModel.cs(152,29,152,112): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\View\Terminuebersicht\TerminUebersichtViewModel.cs(155,29,155,53): warning CS8604: Possible null reference argument for parameter 'source' in 'bool Enumerable.Any<MonteurBuchung>(IEnumerable<MonteurBuchung> source, Func<MonteurBuchung, bool> predicate)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\View\Terminuebersicht\TerminUebersichtViewModel.cs(158,29,158,53): warning CS8604: Possible null reference argument for parameter 'source' in 'bool Enumerable.Any<MonteurBuchung>(IEnumerable<MonteurBuchung> source, Func<MonteurBuchung, bool> predicate)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\View\Terminuebersicht\TerminUebersichtViewModel.cs(188,74,188,84): warning CS8604: Possible null reference argument for parameter 'id' in 'Task<AufgabeData?> DbAufgabeData.GetById(string id)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\View\Terminuebersicht\TerminUebersichtViewModel.cs(188,46,188,85): warning CS8604: Possible null reference argument for parameter 'selectedAufgabeData' in 'VorgangsPage.VorgangsPage(AufgabeData selectedAufgabeData, TerminData termin, bool zeitenShortcut = false)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\View\Terminuebersicht\TerminUebersichtViewModel.cs(188,87,188,93): warning CS8604: Possible null reference argument for parameter 'termin' in 'VorgangsPage.VorgangsPage(AufgabeData selectedAufgabeData, TerminData termin, bool zeitenShortcut = false)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\View\Terminuebersicht\TerminUebersichtViewModel.cs(203,87,203,102): warning CS8604: Possible null reference argument for parameter 'bookingId' in 'Task<IEnumerable<BuchungData>?> DbBuchungData.GetOpenEchtzeitBuchungenByAufgabe(string bookingId, DateTime? date)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\View\Terminuebersicht\TerminUebersichtViewModel.cs(207,33,207,54): warning CS8602: Dereference of a possibly null reference.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\BookingManager\BookingManagerEchtzeit.cs(239,73,239,96): warning CS8602: Dereference of a possibly null reference.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\BookingManager\BookingManagerEchtzeit.cs(246,40,246,63): warning CS8602: Dereference of a possibly null reference.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\BookingManager\BookingManagerEchtzeit.cs(252,88,252,92): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\ArticleBookingSelectionFromMaterialRequestOverviewViewModel.cs(23,18,23,77): warning CS8618: Non-nullable field 'onSaveArticlesAction' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\ArticleBookingSelectionFromMaterialRequestOverviewViewModel.cs(23,18,23,77): warning CS8618: Non-nullable field 'selectedAufgabe' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\BookingManager\BookingManagerEchtzeit.cs(276,71,276,94): warning CS8602: Dereference of a possibly null reference.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\BookingManager\BookingManagerEchtzeit.cs(281,71,281,94): warning CS8602: Dereference of a possibly null reference.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Zeitbuchung\BuchungsListeViewModel.cs(146,101,146,124): warning CS8602: Dereference of a possibly null reference.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Zeitbuchung\BuchungsListeViewModel.cs(147,100,147,123): warning CS8602: Dereference of a possibly null reference.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Zeitbuchung\BuchungsListeViewModel.cs(148,102,148,125): warning CS8602: Dereference of a possibly null reference.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Zeitbuchung\BuchungsListeViewModel.cs(153,35,153,55): warning CS8602: Dereference of a possibly null reference.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Zeitbuchung\BuchungsListeViewModel.cs(157,118,157,141): warning CS8602: Dereference of a possibly null reference.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Zeitbuchung\BuchungsListeViewModel.cs(167,197,167,201): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Zeitbuchung\BuchungsListeViewModel.cs(167,156,167,160): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Zeitbuchung\BuchungsListeViewModel.cs(176,192,176,196): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Zeitbuchung\BuchungsListeViewModel.cs(176,151,176,155): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Zeitbuchung\BuchungsListeViewModel.cs(185,201,185,205): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Zeitbuchung\BuchungsListeViewModel.cs(185,160,185,164): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Zeitbuchung\BuchungsListeViewModel.cs(215,56,215,86): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Zeitbuchung\BuchungsListeViewModel.cs(219,56,219,82): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Zeitbuchung\BuchungsListeViewModel.cs(224,52,224,79): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Zeitbuchung\BuchungsListeViewModel.cs(250,101,250,124): warning CS8602: Dereference of a possibly null reference.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Zeitbuchung\BuchungsListeViewModel.cs(251,100,251,123): warning CS8602: Dereference of a possibly null reference.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Zeitbuchung\BuchungsListeViewModel.cs(252,102,252,125): warning CS8602: Dereference of a possibly null reference.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Zeitbuchung\BuchungsListeViewModel.cs(258,31,258,51): warning CS8602: Dereference of a possibly null reference.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\ArticleBookingSelectionFromMaterialRequestOverviewViewModel.cs(50,19,50,25): warning CS0612: 'Device' is obsolete
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\ArticleBookingSelectionFromMaterialRequestOverviewViewModel.cs(50,19,50,109): warning CS0618: 'Device.InvokeOnMainThreadAsync(Action)' is obsolete: 'Use BindableObject.Dispatcher.DispatchAsync() instead.'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\BookingManager\BookingManagerEchtzeit.cs(290,57,290,80): warning CS8602: Dereference of a possibly null reference.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\BookingManager\BookingManagerEchtzeit.cs(294,88,294,92): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Zeitbuchung\BuchungsListeViewModel.cs(308,32,308,36): warning CS8603: Possible null reference return.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Zeitbuchung\BuchungsListeViewModel.cs(311,24,311,28): warning CS8603: Possible null reference return.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\ArticleBookingSelectionFromMaterialRequestViewModel.cs(15,16,15,67): warning CS8618: Non-nullable field 'materialRequest' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\ArticleBookingSelectionFromMaterialRequestViewModel.cs(15,16,15,67): warning CS8618: Non-nullable field 'allSelectableArticles' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Materialanforderung\MaterialanforderungenErfassen\MaterialanforderungenErfassenViewModel.cs(443,23,443,29): warning CS0612: 'Device' is obsolete
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Materialanforderung\MaterialanforderungenErfassen\MaterialanforderungenErfassenViewModel.cs(461,35,461,41): warning CS0612: 'Device' is obsolete
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Materialanforderung\MaterialanforderungenErfassen\MaterialanforderungenErfassenViewModel.cs(461,35,463,30): warning CS0618: 'Device.InvokeOnMainThreadAsync(Func<Task>)' is obsolete: 'Use BindableObject.Dispatcher.DispatchAsync() instead.'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Materialanforderung\MaterialanforderungenErfassen\MaterialanforderungenErfassenViewModel.cs(443,23,466,19): warning CS0618: 'Device.InvokeOnMainThreadAsync(Func<Task>)' is obsolete: 'Use BindableObject.Dispatcher.DispatchAsync() instead.'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Materialanforderung\MaterialanforderungenErfassen\MaterialanforderungenErfassenViewModel.cs(481,23,481,29): warning CS0612: 'Device' is obsolete
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Materialanforderung\MaterialanforderungenErfassen\MaterialanforderungenErfassenViewModel.cs(481,23,483,18): warning CS0618: 'Device.InvokeOnMainThreadAsync(Func<Task>)' is obsolete: 'Use BindableObject.Dispatcher.DispatchAsync() instead.'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Materialanforderung\MaterialanforderungenErfassen\MaterialanforderungenErfassenViewModel.cs(455,77,455,81): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Materialanforderung\MaterialanforderungenErfassen\MaterialanforderungenErfassenViewModel.cs(456,77,456,81): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Materialanforderung\MaterialanforderungenErfassen\MaterialanforderungenErfassenViewModel.cs(474,65,474,69): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Materialanforderung\MaterialanforderungenErfassen\MaterialanforderungenErfassenViewModel.cs(475,65,475,69): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Materialanforderung\MaterialanforderungenErfassen\MaterialanforderungenErfassenViewModel.cs(499,73,499,77): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Materialanforderung\MaterialanforderungenErfassen\MaterialanforderungenErfassenViewModel.cs(500,73,500,77): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Materialanforderung\MaterialanforderungenErfassen\MaterialanforderungenErfassenViewModel.cs(465,69,465,71): warning CS1998: This async method lacks 'await' operators and will run synchronously. Consider using the 'await' operator to await non-blocking API calls, or 'await Task.Run(...)' to do CPU-bound work on a background thread.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Materialanforderung\MaterialanforderungenErfassen\MaterialanforderungenErfassenViewModel.cs(507,65,507,67): warning CS1998: This async method lacks 'await' operators and will run synchronously. Consider using the 'await' operator to await non-blocking API calls, or 'await Task.Run(...)' to do CPU-bound work on a background thread.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\ArticleBookingSelectionFromMaterialRequestOverviewViewModel.cs(68,54,68,143): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\ArticleBookingSelectionFromMaterialRequestOverviewViewModel.cs(69,25,69,55): warning CS8602: Dereference of a possibly null reference.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Zeitbuchung\BuchungsListeViewModel.cs(317,31,317,54): warning CS8602: Dereference of a possibly null reference.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Zeitbuchung\BuchungsListeViewModel.cs(335,101,335,105): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Zeitbuchung\BuchungsListeViewModel.cs(343,101,343,105): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Zeitbuchung\BuchungsListeViewModel.cs(352,117,352,121): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\ArticleBookingSelectionFromMaterialRequestViewModel.cs(76,28,76,45): warning CS1998: This async method lacks 'await' operators and will run synchronously. Consider using the 'await' operator to await non-blocking API calls, or 'await Task.Run(...)' to do CPU-bound work on a background thread.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\ArticleBookingSelectionTemplateSelector.cs(7,29,7,48): warning CS8618: Non-nullable property 'ArticleItemTemplate' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\ArticleBookingSelectionTemplateSelector.cs(8,29,8,45): warning CS8618: Non-nullable property 'TextItemTemplate' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\ArticleBookingSelectionTemplateSelector.cs(9,29,9,45): warning CS8618: Non-nullable property 'TileItemTemplate' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\ArticleCatalogViewModel.cs(63,16,63,39): warning CS8618: Non-nullable property 'OpenCatalogArticleSelectionCommand' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\ArticleCatalogViewModel.cs(63,16,63,39): warning CS8618: Non-nullable property 'OpenCatalogLoadingPageCommand' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\ArticleCatalogViewModel.cs(94,19,94,25): warning CS0612: 'Device' is obsolete
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\ArticleCatalogViewModel.cs(94,19,95,78): warning CS0618: 'Device.InvokeOnMainThreadAsync(Func<Task>)' is obsolete: 'Use BindableObject.Dispatcher.DispatchAsync() instead.'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\ArticleBookingSelectionViewModel.cs(33,51,33,55): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\ArticleBookingSelectionViewModel.cs(79,18,79,50): warning CS8618: Non-nullable property 'SearchCommand' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\ArticleBookingSelectionViewModel.cs(79,18,79,50): warning CS8618: Non-nullable property 'ThresholdReached' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\ArticleBookingSelectionViewModel.cs(79,18,79,50): warning CS8618: Non-nullable field 'selectedAufgabe' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\ArticleBookingSelectionViewModel.cs(79,18,79,50): warning CS8618: Non-nullable field 'selectedArticles' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\ArticleBookingSelectionViewModel.cs(79,18,79,50): warning CS8618: Non-nullable field 'onSaveArticlesAction' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\ArticleBookingSelectionViewModel.cs(79,18,79,50): warning CS8618: Non-nullable field 'refreshTitleBarAction' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\ArticleBookingSelectionViewModel.cs(79,18,79,50): warning CS8618: Non-nullable field 'searchText' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\ArticleCatalogViewModel.cs(109,21,109,27): warning CS0612: 'Device' is obsolete
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\ArticleCatalogViewModel.cs(109,21,109,43): warning CS0618: 'Device.RuntimePlatform' is obsolete: 'Use Microsoft.Maui.Devices.DeviceInfo.Platform instead.'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\ArticleCatalogViewModel.cs(109,47,109,53): warning CS0612: 'Device' is obsolete
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\ArticleCatalogViewModel.cs(109,47,109,57): warning CS0618: 'Device.iOS' is obsolete: 'Use Microsoft.Maui.Devices.DevicePlatform.iOS instead.'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\ArticleCatalogViewModel.cs(109,61,109,67): warning CS0612: 'Device' is obsolete
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\ArticleCatalogViewModel.cs(109,61,109,73): warning CS0618: 'Device.Idiom' is obsolete: 'Use Microsoft.Maui.Devices.DeviceInfo.Idiom instead.'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\ArticleCatalogViewModel.cs(109,77,109,88): warning CS0618: 'TargetIdiom' is obsolete: 'Use Microsoft.Maui.Devices.DeviceIdiom instead.'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\ArticleCatalogViewModel.cs(102,145,102,163): warning CS8604: Possible null reference argument for parameter 'katalogid' in 'string PersistenceContext.getArtikelKatalogDatabaseLocation(string katalogid)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\ArticleCatalogViewModel.cs(114,30,114,32): warning CS0168: The variable 'ex' is declared but never used
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\ArticleViewModel.cs(63,16,63,32): warning CS8618: Non-nullable property 'OpenEditPageCommand' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\ArticleViewModel.cs(63,16,63,32): warning CS8618: Non-nullable property 'SelectArticleCommand' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\ArticleViewModel.cs(63,16,63,32): warning CS8618: Non-nullable field 'bookedArticle' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\ArticleViewModel.cs(63,16,63,32): warning CS8618: Non-nullable field 'pageSubTitle' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\ArticleViewModel.cs(63,16,63,32): warning CS8618: Non-nullable field 'refreshArticleOverviewPageAction' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\ArticleViewModel.cs(63,16,63,32): warning CS8618: Non-nullable field 'updateSelectionMode' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\ArticleCatalogViewModel.cs(129,19,129,25): warning CS0612: 'Device' is obsolete
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\ArticleCatalogViewModel.cs(129,19,130,37): warning CS0618: 'Device.InvokeOnMainThreadAsync(Func<Task>)' is obsolete: 'Use BindableObject.Dispatcher.DispatchAsync() instead.'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\MaterialRequestViewModel.cs(44,18,44,42): warning CS8618: Non-nullable property 'OpenArticleSelectionPageCommand' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\MaterialRequestViewModel.cs(44,18,44,42): warning CS8618: Non-nullable field 'materialRequest' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\MaterialRequestViewModel.cs(44,18,44,42): warning CS8618: Non-nullable field 'selectedAufgabe' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\MaterialRequestViewModel.cs(44,18,44,42): warning CS8618: Non-nullable field 'onSaveArticlesAction' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\ArticleViewModel.cs(102,19,102,25): warning CS0612: 'Device' is obsolete
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\ArticleViewModel.cs(102,19,102,113): warning CS0618: 'Device.InvokeOnMainThreadAsync(Func<Task>)' is obsolete: 'Use BindableObject.Dispatcher.DispatchAsync() instead.'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\ArticleBookingSelectionViewModel.cs(125,58,125,80): warning CS8602: Dereference of a possibly null reference.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\RechenhilfeViewModel.cs(25,16,25,36): warning CS8618: Non-nullable field 'formel' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\RechenhilfeViewModel.cs(40,53,40,57): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Fotodoku\FotoDokuViewModel.cs(419,36,419,40): warning CS8600: Converting null literal or possible null value to non-nullable type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\RechenhilfeViewModel.cs(49,49,49,64): warning CS8604: Possible null reference argument for parameter 'quantityResult' in 'double RechenhilfeViewModel.RoundResult(string quantityResult)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\View\Behaviors\HighlightFadeBehavior.cs(83,28,83,53): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\View\Behaviors\HighlightFadeBehavior.cs(86,55,86,85): warning CS8622: Nullability of reference types in type of parameter 'sender' of 'void HighlightFadeBehavior.Bindable_BindingContextChanged(object sender, EventArgs e)' doesn't match the target delegate 'EventHandler' (possibly because of nullability attributes).
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\View\Behaviors\HighlightFadeBehavior.cs(87,49,87,73): warning CS8622: Nullability of reference types in type of parameter 'sender' of 'void HighlightFadeBehavior.Bindable_PropertyChanged(object sender, PropertyChangedEventArgs e)' doesn't match the target delegate 'PropertyChangedEventHandler' (possibly because of nullability attributes).
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Fotodoku\FotoDokuViewModel.cs(452,41,452,58): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\View\Behaviors\HighlightFadeBehavior.cs(109,55,109,85): warning CS8622: Nullability of reference types in type of parameter 'sender' of 'void HighlightFadeBehavior.Bindable_BindingContextChanged(object sender, EventArgs e)' doesn't match the target delegate 'EventHandler' (possibly because of nullability attributes).
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\View\Behaviors\HighlightFadeBehavior.cs(110,49,110,73): warning CS8622: Nullability of reference types in type of parameter 'sender' of 'void HighlightFadeBehavior.Bindable_PropertyChanged(object sender, PropertyChangedEventArgs e)' doesn't match the target delegate 'PropertyChangedEventHandler' (possibly because of nullability attributes).
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\View\Behaviors\HighlightFadeBehavior.cs(111,32,111,36): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\View\Behaviors\HighlightFadeBehavior.cs(77,46,77,50): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\View\Behaviors\HighlightFadeBehavior.cs(78,23,78,38): warning CS8618: Non-nullable field 'preHighlightAdd' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\View\Behaviors\HighlightFadeBehavior.cs(30,32,30,42): warning CS8605: Unboxing a possibly null value.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\ArticleBookingSelectionFromItemsViewModel.cs(253,65,253,69): warning CS8604: Possible null reference argument for parameter 'id' in 'Task<ArbeitspaketData> DbArbeitspaketData.GetById(string id)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\ArticleBookingSelectionFromItemsViewModel.cs(254,42,254,71): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Fotodoku\FotoDokuViewModel.cs(489,93,489,126): warning CS8604: Possible null reference argument for parameter 'aufgabeId' in 'void IAnalyticsManager.TrackOrderImageDocuImageEdited(string aufgabeId)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\BookingManager\BookingManagerEchtzeit.cs(315,73,315,96): warning CS8602: Dereference of a possibly null reference.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\BookingManager\BookingManagerEchtzeit.cs(320,40,320,63): warning CS8602: Dereference of a possibly null reference.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\ArticleBookingSelectionFromItemsViewModel.cs(299,71,299,96): warning CS8604: Possible null reference argument for parameter 'aufgabeListId' in 'List<AufgabeList> AufgabeListeRepository.GibPositionen(string aufgabeListId)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\ArticleBookingSelectionFromItemsViewModel.cs(303,66,303,91): warning CS8604: Possible null reference argument for parameter 'aufgabeListId' in 'List<Aufgabe> AufgabeRepository.GibPositionen(string aufgabeListId)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\DatabaseManager\DatabaseManager.cs(133,24,133,28): warning CS8603: Possible null reference return.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\DatabaseManager\DatabaseManager.cs(139,24,139,28): warning CS8603: Possible null reference return.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\DatabaseManager\DatabaseManager.cs(142,24,142,28): warning CS8603: Possible null reference return.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\DatabaseManager\DatabaseManager.cs(146,24,146,28): warning CS8603: Possible null reference return.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\DatabaseManager\DatabaseManager.cs(151,24,151,28): warning CS8603: Possible null reference return.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\DatabaseManager\DatabaseManager.cs(25,40,25,48): warning CS8618: Non-nullable field 'instance' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\BookingManager\BookingManagerEchtzeit.cs(353,71,353,94): warning CS8602: Dereference of a possibly null reference.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\BookingManager\BookingManagerEchtzeit.cs(358,71,358,94): warning CS8602: Dereference of a possibly null reference.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\BookingManager\BookingManagerEchtzeit.cs(365,81,365,104): warning CS8602: Dereference of a possibly null reference.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\AnalyticsManager.cs(120,24,120,30): warning CS8618: Non-nullable field 'userId' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\AnalyticsManager.cs(121,24,121,33): warning CS8618: Non-nullable field 'companyId' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\AnalyticsManager.cs(122,24,122,31): warning CS8618: Non-nullable field 'appMode' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\BookingManager\BookingManagerEchtzeit.cs(381,59,381,73): warning CS8602: Dereference of a possibly null reference.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\ArticleBookingSelectionFromItemsViewModel.cs(372,35,372,158): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\ArticleBookingSelectionFromItemsViewModel.cs(339,57,339,108): warning CS8602: Dereference of a possibly null reference.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\ArticleBookingSelectionFromItemsViewModel.cs(356,32,356,36): warning CS8603: Possible null reference return.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Zeitbuchung\NacherfassungViewModel.cs(331,152,331,175): warning CS8604: Possible null reference argument for parameter 'id' in 'Task<AufgabeData?> DbAufgabeData.GetById(string id)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Zeitbuchung\NacherfassungViewModel.cs(331,124,331,176): warning CS8604: Possible null reference argument for parameter 'aufgabe' in 'Task<AufgabeOverviewData> AufgabeOverviewDataExt.GetAufgabeOverviewData(AufgabeData aufgabe)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Zeitbuchung\NacherfassungViewModel.cs(334,88,334,107): warning CS8603: Possible null reference return.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Zeitbuchung\NacherfassungViewModel.cs(349,86,349,109): warning CS8602: Dereference of a possibly null reference.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Zeitbuchung\NacherfassungViewModel.cs(349,151,349,170): warning CS8603: Possible null reference return.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\ArticleBookingSelectionFromItemsViewModel.cs(401,23,401,29): warning CS0612: 'Device' is obsolete
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\ArticleBookingSelectionFromItemsViewModel.cs(401,23,405,19): warning CS0618: 'Device.InvokeOnMainThreadAsync(Action)' is obsolete: 'Use BindableObject.Dispatcher.DispatchAsync() instead.'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\ArticleBookingSelectionFromItemsViewModel.cs(414,23,414,29): warning CS0612: 'Device' is obsolete
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\ArticleBookingSelectionFromItemsViewModel.cs(414,23,419,19): warning CS0618: 'Device.InvokeOnMainThreadAsync(Action)' is obsolete: 'Use BindableObject.Dispatcher.DispatchAsync() instead.'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Zeitbuchung\NacherfassungViewModel.cs(366,128,366,151): warning CS8604: Possible null reference argument for parameter 'aufgabeParentId' in 'Task<List<ArbeitspaketOverviewData>> DbArbeitspaketOverviewData.GetListAllOrderByPrefManagerAscAsync(string aufgabeParentId)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Zeitbuchung\NacherfassungViewModel.cs(366,32,366,152): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Zeitbuchung\NacherfassungViewModel.cs(375,86,375,104): warning CS8604: Possible null reference argument for parameter 'zeitartId' in 'Task<AbwesenheitsartData> DbAbwesenheitsartData.GetByZeitartId(string zeitartId)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Zeitbuchung\EchtzeiterfassungViewModel.cs(230,43,230,77): warning CS8619: Nullability of reference types in value of type 'IEnumerable<string?>' doesn't match target type 'IEnumerable<string>'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Zeitbuchung\EchtzeiterfassungViewModel.cs(234,32,234,63): warning CS8600: Converting null literal or possible null value to non-nullable type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Zeitbuchung\EchtzeiterfassungViewModel.cs(260,71,260,104): warning CS8620: Argument of type 'IEnumerable<string?>' cannot be used for parameter 'listPersonalDataId' of type 'IEnumerable<string>' in 'Task PauseEchtzeit.BookEndGroup(IEnumerable<string> listPersonalDataId, DateTime dateTimeEnd, bool showResumeLocationTracker = true)' due to differences in the nullability of reference types.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Zeitbuchung\EchtzeiterfassungViewModel.cs(262,89,262,98): warning CS8604: Possible null reference argument for parameter 'aufgabeBuchungsId' in 'Task AufgabenEchtzeit.BookBeginGroup(List<PersonalData> listPersonalData, string aufgabeBuchungsId, TaetigkeitOverviewData taetigkeitOverviewData, string bemerkung)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\AufgabeRepo.cs(681,97,681,122): warning CS8604: Possible null reference argument for parameter 'aufgBuchungsId' in 'List<Monteurbericht> MonteurberichtRepository.GetBerichteByVorg(string aufgBuchungsId, ClosedStatus status, DateTime? date = null)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\AufgabeRepo.cs(697,57,697,178): warning CS8600: Converting null literal or possible null value to non-nullable type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\AufgabeRepo.cs(698,87,698,100): warning CS8602: Dereference of a possibly null reference.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\AufgabeRepo.cs(698,87,698,118): warning CS8604: Possible null reference argument for parameter 'serverid' in 'Aufgabe AufgabeListeRepository.GetByServerId(string serverid)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\AufgabeRepo.cs(699,101,699,132): warning CS8604: Possible null reference argument for parameter 'aufgBuchungsId' in 'List<Monteurbericht> MonteurberichtRepository.GetBerichteByVorg(string aufgBuchungsId, ClosedStatus status, DateTime? date = null)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Zeitbuchung\NacherfassungViewModel.cs(579,44,579,79): warning CS4014: Because this call is not awaited, execution of the current method continues before the call is completed. Consider applying the 'await' operator to the result of the call.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Zeitbuchung\NacherfassungViewModel.cs(594,44,594,61): warning CS4014: Because this call is not awaited, execution of the current method continues before the call is completed. Consider applying the 'await' operator to the result of the call.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Zeitbuchung\NacherfassungViewModel.cs(426,22,426,45): warning CS8602: Dereference of a possibly null reference.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Zeitbuchung\NacherfassungViewModel.cs(466,48,466,99): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Zeitbuchung\NacherfassungViewModel.cs(500,43,500,110): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Zeitbuchung\NacherfassungViewModel.cs(506,47,506,162): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Zeitbuchung\NacherfassungViewModel.cs(521,42,521,132): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Zeitbuchung\NacherfassungViewModel.cs(547,41,547,104): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Zeitbuchung\NacherfassungViewModel.cs(548,56,548,73): warning CS8604: Possible null reference argument for parameter 'spesenart' in 'string NacherfassungViewModel.GetSpeseDetail(SpesenartData spesenart, string value)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Zeitbuchung\NacherfassungViewModel.cs(561,41,561,64): warning CS8602: Dereference of a possibly null reference.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Zeitbuchung\NacherfassungViewModel.cs(624,21,624,44): warning CS8602: Dereference of a possibly null reference.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Zeitbuchung\NacherfassungViewModel.cs(637,21,637,44): warning CS8602: Dereference of a possibly null reference.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Zeitbuchung\NacherfassungViewModel.cs(650,21,650,44): warning CS8602: Dereference of a possibly null reference.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Zeitbuchung\NacherfassungViewModel.cs(670,163,670,167): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\AufgabeRepo.cs(727,103,727,128): warning CS8604: Possible null reference argument for parameter 'aufgabeBuchungsId' in 'int ArtikelbuchungRepository.GetArtikelbuchungenCountFromAufgabe(string aufgabeBuchungsId, bool? istUnterschrieben = null, Anlage filterAnlage = null)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\AufgabeRepo.cs(746,71,746,96): warning CS8629: Nullable value type may be null.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\AufgabeRepo.cs(765,26,765,36): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\AufgabeRepo.cs(780,38,780,42): warning CS8600: Converting null literal or possible null value to non-nullable type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\AufgabeRepo.cs(786,54,786,58): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\AufgabeRepo.cs(786,60,786,64): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\AufgabeRepo.cs(786,66,786,70): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\AufgabeRepo.cs(796,42,796,98): warning CS8600: Converting null literal or possible null value to non-nullable type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\AufgabeRepo.cs(802,58,802,72): warning CS8604: Possible null reference argument for parameter 'item1' in 'Tuple<Aufgabe, DateTime?, string>.Tuple(Aufgabe item1, DateTime? item2, string item3)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\BookingManager\BookingManagerEchtzeit.cs(461,37,461,51): warning CS8602: Dereference of a possibly null reference.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\BookingManager\BookingManagerEchtzeit.cs(463,63,463,67): warning CS8600: Converting null literal or possible null value to non-nullable type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\BookingManager\BookingManagerEchtzeit.cs(508,107,508,111): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\BookingManager\BookingManagerEchtzeit.cs(511,120,511,124): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\BookingManager\BookingManagerEchtzeit.cs(507,157,507,161): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\BookingManager\BookingManagerEchtzeit.cs(488,75,488,112): warning CS8602: Dereference of a possibly null reference.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\BookingManager\BookingManagerEchtzeit.cs(489,80,489,122): warning CS8602: Dereference of a possibly null reference.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\BookingManager\BookingManagerEchtzeit.cs(490,78,490,118): warning CS8602: Dereference of a possibly null reference.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\BookingManager\TeamBuchungStateManager.cs(111,20,111,125): warning CS8603: Possible null reference return.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\BookingManager\BookingManagerEchtzeit.cs(543,21,543,44): warning CS8602: Dereference of a possibly null reference.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\BookingManager\BookingManagerEchtzeit.cs(566,29,566,52): warning CS8602: Dereference of a possibly null reference.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Zeitbuchung\NacherfassungViewModel.cs(714,43,714,77): warning CS8619: Nullability of reference types in value of type 'IEnumerable<string?>' doesn't match target type 'IEnumerable<string>'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Zeitbuchung\NacherfassungViewModel.cs(716,32,716,63): warning CS8600: Converting null literal or possible null value to non-nullable type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Zeitbuchung\NacherfassungViewModel.cs(735,41,735,64): warning CS8602: Dereference of a possibly null reference.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Zeitbuchung\NacherfassungViewModel.cs(735,41,735,84): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Zeitbuchung\NacherfassungViewModel.cs(736,33,736,64): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Zeitbuchung\NacherfassungViewModel.cs(737,35,737,55): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Zeitbuchung\NacherfassungViewModel.cs(762,45,762,77): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Zeitbuchung\NacherfassungViewModel.cs(763,37,763,61): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Zeitbuchung\NacherfassungViewModel.cs(764,39,764,65): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Zeitbuchung\NacherfassungViewModel.cs(781,77,781,86): warning CS8604: Possible null reference argument for parameter 'aufgabeId' in 'void IAnalyticsManager.TrackOrderExpenses(string aufgabeId, int spesenCount, int mitarbeiterCount, bool isGroupBooking, bool isUpdate)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Zeitbuchung\NacherfassungViewModel.cs(791,33,791,37): warning CS8600: Converting null literal or possible null value to non-nullable type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Zeitbuchung\NacherfassungViewModel.cs(804,87,804,96): warning CS8604: Possible null reference argument for parameter 'bookableId' in 'Task IPersonalManager.ErstelleGruppenFestzeitAufgabe(IEnumerable<string> personalids, string bookableId, string zeitartId, TaetigkeitOverviewData taetigkeit, DateTime date, float festzeit, float? festzeitBerechnet, bool manuelleAnpassung, string bemerkung)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Zeitbuchung\NacherfassungViewModel.cs(804,98,804,116): warning CS8604: Possible null reference argument for parameter 'zeitartId' in 'Task IPersonalManager.ErstelleGruppenFestzeitAufgabe(IEnumerable<string> personalids, string bookableId, string zeitartId, TaetigkeitOverviewData taetigkeit, DateTime date, float festzeit, float? festzeitBerechnet, bool manuelleAnpassung, string bemerkung)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Zeitbuchung\NacherfassungViewModel.cs(804,118,804,136): warning CS8604: Possible null reference argument for parameter 'taetigkeit' in 'Task IPersonalManager.ErstelleGruppenFestzeitAufgabe(IEnumerable<string> personalids, string bookableId, string zeitartId, TaetigkeitOverviewData taetigkeit, DateTime date, float festzeit, float? festzeitBerechnet, bool manuelleAnpassung, string bemerkung)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Zeitbuchung\NacherfassungViewModel.cs(822,79,822,88): warning CS8604: Possible null reference argument for parameter 'bookableId' in 'Task IPersonalManager.ErstelleGruppenAufgabe(IEnumerable<string> personalids, string bookableId, string zeitartId, TaetigkeitOverviewData taetigkeit, DateTime? von, DateTime? bis, DateTime? vonBerechnet = null, DateTime? bisBerechnet = null, bool manuelleAnpassung = false, string bemerkung = null)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Zeitbuchung\NacherfassungViewModel.cs(822,90,822,108): warning CS8604: Possible null reference argument for parameter 'zeitartId' in 'Task IPersonalManager.ErstelleGruppenAufgabe(IEnumerable<string> personalids, string bookableId, string zeitartId, TaetigkeitOverviewData taetigkeit, DateTime? von, DateTime? bis, DateTime? vonBerechnet = null, DateTime? bisBerechnet = null, bool manuelleAnpassung = false, string bemerkung = null)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Zeitbuchung\NacherfassungViewModel.cs(822,110,822,128): warning CS8604: Possible null reference argument for parameter 'taetigkeit' in 'Task IPersonalManager.ErstelleGruppenAufgabe(IEnumerable<string> personalids, string bookableId, string zeitartId, TaetigkeitOverviewData taetigkeit, DateTime? von, DateTime? bis, DateTime? vonBerechnet = null, DateTime? bisBerechnet = null, bool manuelleAnpassung = false, string bemerkung = null)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\BookingManager\BookingManagerEchtzeit.cs(587,114,587,124): warning CS8604: Possible null reference argument for parameter 'aufgabeParentId' in 'Task<List<ArbeitspaketOverviewData>> DbArbeitspaketOverviewData.GetListAllOrderByBezeichnungAscAsync(string aufgabeParentId)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\BookingManager\BookingManagerEchtzeit.cs(594,74,594,78): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\BookingManager\BookingManagerEchtzeit.cs(599,199,599,203): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\BookingManager\BookingManagerEchtzeit.cs(603,90,603,113): warning CS8602: Dereference of a possibly null reference.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Zeitbuchung\NacherfassungViewModel.cs(848,53,848,76): warning CS8602: Dereference of a possibly null reference.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Zeitbuchung\NacherfassungViewModel.cs(851,17,851,40): warning CS8602: Dereference of a possibly null reference.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\BookingManager\BookingManagerEchtzeit.cs(639,51,639,92): warning CS8603: Possible null reference return.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\BookingManager\BookingManagerEchtzeit.cs(643,70,643,83): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\SelectableArticleViewModel.cs(181,18,181,44): warning CS8618: Non-nullable property 'SetSelectedArticleCommand' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\SelectableArticleViewModel.cs(181,18,181,44): warning CS8618: Non-nullable property 'IncreaseQuantityCommand' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\SelectableArticleViewModel.cs(181,18,181,44): warning CS8618: Non-nullable property 'DecreaseQuantityCommand' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\SelectableArticleViewModel.cs(181,18,181,44): warning CS8618: Non-nullable field 'formattedArticleName' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\SelectableArticleViewModel.cs(181,18,181,44): warning CS8618: Non-nullable field 'formattedArticleNumber' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\SelectableArticleViewModel.cs(181,18,181,44): warning CS8618: Non-nullable field 'formattedArticleSearchWord' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\SelectableArticleViewModel.cs(181,18,181,44): warning CS8618: Non-nullable field 'articleQuantity' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\SelectableArticleViewModel.cs(181,18,181,44): warning CS8618: Non-nullable property 'SelectableArticleChilds' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\BookingManager\BookingManagerEchtzeit.cs(675,68,675,84): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\SelectableArticleViewModel.cs(312,36,312,40): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\SelectableArticleViewModel.cs(313,38,313,42): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\SelectableArticleViewModel.cs(314,42,314,46): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\BookingManager\BookingManagerEchtzeit.cs(687,169,687,173): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\BookingManager\BookingManagerEchtzeit.cs(687,107,687,111): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\T4ArticleExpander.cs(191,17,191,34): warning CS8618: Non-nullable field 'expanderHeader' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\T4ArticleExpander.cs(191,17,191,34): warning CS8618: Non-nullable field 'expanderHeaderTitleLabel' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\T4ArticleExpander.cs(191,17,191,34): warning CS8618: Non-nullable field 'expanderContent' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\T4ArticleExpander.cs(191,17,191,34): warning CS8618: Non-nullable field 'expanderIcon' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\T4ArticleExpander.cs(191,17,191,34): warning CS8618: Non-nullable field 'expanderHeaderActivityIndicator' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\T4ArticleExpander.cs(191,17,191,34): warning CS8618: Non-nullable field 'seperator' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\T4ArticleExpander.cs(191,17,191,34): warning CS8618: Non-nullable field 'expansionSeperator' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\BookingManager\BookingManagerEchtzeit.cs(698,167,698,171): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\BookingManager\BookingManagerEchtzeit.cs(698,105,698,109): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\ArticleBookingSelectionViewModel.cs(279,20,279,24): warning CS8603: Possible null reference return.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\ArticleBookingSelectionViewModel.cs(288,20,288,24): warning CS8603: Possible null reference return.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\ArticleBookingSelectionViewModel.cs(297,20,297,24): warning CS8603: Possible null reference return.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\BookingManager\BookingManagerEchtzeit.cs(710,168,710,172): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\BookingManager\BookingManagerEchtzeit.cs(716,67,716,134): warning CS8619: Nullability of reference types in value of type 'List<string?>' doesn't match target type 'List<string>'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\BookingManager\BookingManagerEchtzeit.cs(720,25,720,48): warning CS8602: Dereference of a possibly null reference.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\BookingManager\BookingManagerEchtzeit.cs(710,106,710,110): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\T4ArticleExpander.cs(214,35,214,59): warning CS0618: 'Color.FromHex(string)' is obsolete: 'Use FromArgb instead.'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\T4ArticleExpander.cs(224,29,224,53): warning CS0618: 'Color.FromHex(string)' is obsolete: 'Use FromArgb instead.'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\T4ArticleExpander.cs(235,37,235,63): warning CS0618: 'LayoutOptions.EndAndExpand' is obsolete: 'The StackLayout expansion options are deprecated; please use a Grid instead.'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\T4ArticleExpander.cs(320,33,320,57): warning CS0618: 'Color.FromHex(string)' is obsolete: 'Use FromArgb instead.'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\T4ArticleExpander.cs(337,25,337,51): warning CS0618: 'Color.FromHex(string)' is obsolete: 'Use FromArgb instead.'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\T4ArticleExpander.cs(339,37,339,64): warning CS0618: 'LayoutOptions.FillAndExpand' is obsolete: 'The StackLayout expansion options are deprecated; please use a Grid instead.'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\T4ArticleExpander.cs(350,25,350,49): warning CS0618: 'Color.FromHex(string)' is obsolete: 'Use FromArgb instead.'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\T4ArticleExpander.cs(352,37,352,64): warning CS0618: 'LayoutOptions.FillAndExpand' is obsolete: 'The StackLayout expansion options are deprecated; please use a Grid instead.'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\BookingManager\BookingManagerEchtzeit.cs(743,63,743,130): warning CS8619: Nullability of reference types in value of type 'List<string?>' doesn't match target type 'List<string>'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\BookingManager\BookingManagerEchtzeit.cs(747,42,747,52): warning CS8604: Possible null reference argument for parameter 'personalId' in 'Task Helper.BookFeierabend(string personalId, Func<Task> onBookedFunc)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\BookingManager\BookingManagerEchtzeit.cs(770,21,770,44): warning CS8602: Dereference of a possibly null reference.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\BookingManager\BookingManagerEchtzeit.cs(773,104,773,108): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\BookingManager\BookingManagerEchtzeit.cs(774,116,774,120): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\BookingManager\BookingManagerEchtzeit.cs(774,172,774,182): warning CS8604: Possible null reference argument for parameter 'personalId' in 'Task Helper.BookFeierabend(string personalId, Func<Task> onBookedFunc)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\BookingManager\BookingManagerEchtzeit.cs(772,145,772,149): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\BookingManager\BookingManagerEchtzeit.cs(752,44,752,67): warning CS8602: Dereference of a possibly null reference.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\BookingManager\BookingManagerEchtzeit.cs(782,173,782,177): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\BookingManager\BookingManagerEchtzeit.cs(784,29,784,52): warning CS8602: Dereference of a possibly null reference.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\BookingManager\BookingManagerEchtzeit.cs(782,111,782,115): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\VorgangDetailBottomSheet\VorgangAnhangView.xaml.cs(302,29,302,35): warning CS0612: 'Device' is obsolete
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\VorgangDetailBottomSheet\VorgangAnhangView.xaml.cs(302,29,311,31): warning CS0618: 'Device.BeginInvokeOnMainThread(Action)' is obsolete: 'Use BindableObject.Dispatcher.Dispatch() instead.'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\VorgangDetailBottomSheet\VorgangAnhangView.xaml.cs(275,82,275,105): warning CS8629: Nullable value type may be null.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\VorgangDetailBottomSheet\VorgangAnhangView.xaml.cs(281,63,281,67): warning CS8600: Converting null literal or possible null value to non-nullable type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\VorgangDetailBottomSheet\VorgangAnhangView.xaml.cs(284,49,284,110): warning CS8600: Converting null literal or possible null value to non-nullable type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\View\DateSelector.cs(162,54,162,86): warning CS8622: Nullability of reference types in type of parameter 'sender' of 'void DateSelector.InvisibleDatePicker_DateSelected(object sender, DateChangedEventArgs e)' doesn't match the target delegate 'EventHandler<DateChangedEventArgs>' (possibly because of nullability attributes).
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\View\DateSelector.cs(179,13,179,19): warning CS0612: 'Device' is obsolete
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\View\DateSelector.cs(179,13,179,78): warning CS0618: 'Device.BeginInvokeOnMainThread(Action)' is obsolete: 'Use BindableObject.Dispatcher.Dispatch() instead.'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\View\DateSelector.cs(12,37,12,57): warning CS8605: Unboxing a possibly null value.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\View\DateSelector.cs(31,31,31,43): warning CS8605: Unboxing a possibly null value.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\View\DateSelector.cs(51,32,51,43): warning CS8600: Converting null literal or possible null value to non-nullable type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\View\DateSelector.cs(52,48,52,60): warning CS8604: Possible null reference argument for parameter 'newTextColor' in 'void DateSelector.TextColorChanged(Color oldTextColor, Color newTextColor)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\View\DateSelector.cs(72,27,72,41): warning CS8605: Unboxing a possibly null value.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\View\DateSelector.cs(95,30,95,44): warning CS8605: Unboxing a possibly null value.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\View\DateSelector.cs(114,30,114,44): warning CS8605: Unboxing a possibly null value.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\View\DateSelector.cs(134,29,134,41): warning CS8600: Converting null literal or possible null value to non-nullable type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\View\DateSelector.cs(135,42,135,51): warning CS8604: Possible null reference argument for parameter 'newFormat' in 'void DateSelector.FormatChanged(string oldFormat, string newFormat)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\VorgangDetailBottomSheet\VorgangAnhangView.xaml.cs(358,59,358,63): warning CS8600: Converting null literal or possible null value to non-nullable type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\VorgangDetailBottomSheet\VorgangAnhangView.xaml.cs(361,45,361,106): warning CS8600: Converting null literal or possible null value to non-nullable type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\VorgangDetailBottomSheet\VorgangAnhangView.xaml.cs(382,82,382,129): warning CS8602: Dereference of a possibly null reference.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\VorgangDetailBottomSheet\VorgangAnhangView.xaml.cs(396,103,396,107): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\VorgangDetailBottomSheet\VorgangAnhangView.xaml.cs(411,34,411,57): warning CS8629: Nullable value type may be null.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\VorgangDetailBottomSheet\VorgangAnhangView.xaml.cs(421,85,421,132): warning CS8602: Dereference of a possibly null reference.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\VorgangDetailBottomSheet\VorgangAnhangView.xaml.cs(421,56,421,60): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\VorgangDetailBottomSheet\VorgangAnhangView.xaml.cs(432,82,432,129): warning CS8602: Dereference of a possibly null reference.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Zeitbuchung\NacherfassungViewModel.cs(887,17,887,40): warning CS8602: Dereference of a possibly null reference.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Zeitbuchung\NacherfassungViewModel.cs(900,55,900,89): warning CS8620: Argument of type 'IEnumerable<string?>' cannot be used for parameter 'personalids' of type 'IEnumerable<string>' in 'Task<List<BuchungData>> NacherfassungViewModel.CheckCollision(IEnumerable<string> personalids, DateTime vondatetime, DateTime bisdatetime, ZeitartType zeitartType)' due to differences in the nullability of reference types.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Zeitbuchung\NacherfassungViewModel.cs(891,25,891,37): warning CS8073: The result of the expression is always 'true' since a value of type 'TimeSpan' is never equal to 'null' of type 'TimeSpan?'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Zeitbuchung\NacherfassungViewModel.cs(890,22,890,36): warning CS8073: The result of the expression is always 'true' since a value of type 'TimeSpan' is never equal to 'null' of type 'TimeSpan?'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Zeitbuchung\NacherfassungViewModel.cs(889,40,889,52): warning CS8073: The result of the expression is always 'false' since a value of type 'TimeSpan' is never equal to 'null' of type 'TimeSpan?'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Zeitbuchung\NacherfassungViewModel.cs(889,22,889,36): warning CS8073: The result of the expression is always 'false' since a value of type 'TimeSpan' is never equal to 'null' of type 'TimeSpan?'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Zeitbuchung\NacherfassungViewModel.cs(917,25,917,48): warning CS8602: Dereference of a possibly null reference.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Zeitbuchung\NacherfassungViewModel.cs(934,49,934,77): warning CS8604: Possible null reference argument for parameter 'source' in 'bool Enumerable.Any<BuchungData>(IEnumerable<BuchungData> source, Func<BuchungData, bool> predicate)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\DataTransferManager\DataReqManager.cs(101,31,101,35): warning CS0649: Field 'DataReqManager.MonteuerberichtRequestBo.Type' is never assigned to, and will always have its default value
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\HandauftragserfassungViewModelRD.cs(52,21,52,35): warning CS0649: Field 'HandauftragserfassungViewModelRD.suchwortNummer' is never assigned to, and will always have its default value 0
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerParserRE.cs(81,54,81,72): warning CS0169: The field 'ServerParserRE.lastAufgabenUpdate' is never used
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\LoginViewModel.cs(237,35,237,51): warning CS0067: The event 'LoginViewModel.OnAutoLoginError' is never used
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\Android\Tasky\TaskRunnerService.cs(20,24,20,31): warning CS0169: The field 'TaskRunnerService.message' is never used
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\Android\Services\AlertedBackgroundService.cs(41,37,41,44): warning CS0169: The field 'AlertedBackgroundService.connman' is never used
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\Parser\ServerParserRE.cs(84,39,84,55): warning CS0649: Field 'ServerParserRE.dbInfoConnection' is never assigned to, and will always have its default value null
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\DataTransferManager\DataReqManager.cs(103,29,103,32): warning CS0649: Field 'DataReqManager.MonteuerberichtRequestBo.Bis' is never assigned to, and will always have its default value
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\FinalPage\FinalPageViewModel.cs(68,25,68,32): warning CS0649: Field 'FinalPageViewModel.address' is never assigned to, and will always have its default value null
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\DataTransferManager\DataReqManager.cs(104,25,104,32): warning CS0649: Field 'DataReqManager.MonteuerberichtRequestBo.Kompakt' is never assigned to, and will always have its default value false
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\DataTransferManager\DataReqManager.cs(102,29,102,32): warning CS0649: Field 'DataReqManager.MonteuerberichtRequestBo.Von' is never assigned to, and will always have its default value
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\Android\Tasky\TaskRunnerService.cs(21,24,21,29): warning CS0169: The field 'TaskRunnerService.title' is never used
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\KatalogdownloadViewModelRD.cs(27,22,27,38): warning CS0414: The field 'KatalogdownloadViewModelRD.IndicatorVisible' is assigned but its value is never used
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Home\HomeTilePage.cs(190,38,190,50): warning CS0414: The field 'HomeTilePage.PageContentView.TileGridView.ITEM_PER_ROW' is assigned but its value is never used
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\Android\SyncManagerA.cs(637,45,637,67): warning CS0414: The field 'SyncManagerA.SyncWorkerHelper.SyncWorker.RES_ID_IC_NOTIFICATION' is assigned but its value is never used
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\ArticleBookingSelectionFromMaterialRequestContentPage.xaml.cs(63,26,63,61): warning CS1572: XML comment has a param tag for 'refreshArticleBookingOverviewAction', but there is no parameter by that name
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\ArticleBookingEditContentView.xaml.cs(31,26,31,38): warning CS1572: XML comment has a param tag for 'pageSubTitle', but there is no parameter by that name
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\ArticleBookingEditViewModel.cs(509,26,509,40): warning CS1572: XML comment has a param tag for 'changedArticle', but there is no parameter by that name
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\ArticleBookingSelectionFromItemsContentView.xaml.cs(28,26,28,61): warning CS1572: XML comment has a param tag for 'refreshArticleBookingOverviewAction', but there is no parameter by that name
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\ArticleBookingSelectionFromItemsViewModel.cs(52,26,52,41): warning CS1572: XML comment has a param tag for 'selectedAufgabe', but there is no parameter by that name
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\ArticleBookingSelectionFromMaterialRequestContentView.xaml.cs(28,26,28,61): warning CS1572: XML comment has a param tag for 'refreshArticleBookingOverviewAction', but there is no parameter by that name
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\ArticleBookingSelectionFromMaterialRequestOverviewViewModel.cs(29,26,29,61): warning CS1572: XML comment has a param tag for 'refreshArticleBookingOverviewAction', but there is no parameter by that name
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\ArticleBookingSelectionFromMaterialRequestViewModel.cs(22,26,22,61): warning CS1572: XML comment has a param tag for 'refreshArticleBookingOverviewAction', but there is no parameter by that name
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\MaterialRequestViewModel.cs(52,26,52,61): warning CS1572: XML comment has a param tag for 'refreshArticleBookingOverviewAction', but there is no parameter by that name
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\AufgabeRepo.cs(381,26,381,35): warning CS1572: XML comment has a param tag for 'aufgabeId', but there is no parameter by that name
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\AufgabeRepo.cs(382,26,382,34): warning CS1572: XML comment has a param tag for 'rekursiv', but there is no parameter by that name
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\AufgabeRepo.cs(429,26,429,35): warning CS1572: XML comment has a param tag for 'aufgabeId', but there is no parameter by that name
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\AufgabeRepo.cs(430,26,430,34): warning CS1572: XML comment has a param tag for 'rekursiv', but there is no parameter by that name
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\Android\HTTPService\HTTPService.cs(77,17,77,25): warning CA2200: Re-throwing caught exception changes stack information (https://learn.microsoft.com/dotnet/fundamentals/code-analysis/quality-rules/ca2200)
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\Android\Tasky\TaskRunnerService.cs(195,13,195,52): warning CA1422: This call site is reachable on: 'Android' 21.0 and later. 'Service.StopForeground(bool)' is obsoleted on: 'Android' 33.0 and later. (https://learn.microsoft.com/dotnet/fundamentals/code-analysis/quality-rules/ca1422)
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\Android\Tasky\TaskRunnerService.cs(144,37,145,55): warning CA1416: This call site is reachable on: 'Android' 21.0 and later. 'AlarmManager.SetAndAllowWhileIdle(AlarmType, long, PendingIntent?)' is only supported on: 'android' 23.0 and later. (https://learn.microsoft.com/dotnet/fundamentals/code-analysis/quality-rules/ca1416)
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\Android\Tasky\TaskRunnerService.cs(234,21,234,87): warning CA1416: This call site is reachable on: 'Android' 21.0 and later. 'NotificationManager.CreateNotificationChannel(NotificationChannel)' is only supported on: 'android' 26.0 and later. (https://learn.microsoft.com/dotnet/fundamentals/code-analysis/quality-rules/ca1416)
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\Android\Tasky\TaskRunnerService.cs(227,17,227,55): warning CA1416: This call site is reachable on: 'Android' 21.0 and later. 'NotificationChannel.SetShowBadge(bool)' is only supported on: 'android' 26.0 and later. (https://learn.microsoft.com/dotnet/fundamentals/code-analysis/quality-rules/ca1416)
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\Android\Tasky\TaskRunnerService.cs(226,17,226,58): warning CA1416: This call site is reachable on: 'Android' 21.0 and later. 'NotificationChannel.EnableVibration(bool)' is only supported on: 'android' 26.0 and later. (https://learn.microsoft.com/dotnet/fundamentals/code-analysis/quality-rules/ca1416)
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\Android\Tasky\TaskRunnerService.cs(225,17,225,55): warning CA1416: This call site is reachable on: 'Android' 21.0 and later. 'NotificationChannel.EnableLights(bool)' is only supported on: 'android' 26.0 and later. (https://learn.microsoft.com/dotnet/fundamentals/code-analysis/quality-rules/ca1416)
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\Android\Tasky\TaskRunnerService.cs(228,17,228,86): warning CA1416: This call site is reachable on: 'Android' 21.0 and later. 'NotificationChannel.SetVibrationPattern(long[]?)' is only supported on: 'android' 26.0 and later. (https://learn.microsoft.com/dotnet/fundamentals/code-analysis/quality-rules/ca1416)
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\Android\Tasky\TaskRunnerService.cs(224,17,224,47): warning CA1416: This call site is reachable on: 'Android' 21.0 and later. 'NotificationChannel.Importance.set' is only supported on: 'android' 26.0 and later. (https://learn.microsoft.com/dotnet/fundamentals/code-analysis/quality-rules/ca1416)
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\Android\Tasky\TaskRunnerService.cs(224,17,224,47): warning CA1416: This call site is reachable on: 'Android' 21.0 and later. 'NotificationChannel.Importance' is only supported on: 'android' 26.0 and later. (https://learn.microsoft.com/dotnet/fundamentals/code-analysis/quality-rules/ca1416)
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\Android\Tasky\TaskRunnerService.cs(223,21,223,115): warning CA1416: This call site is reachable on: 'Android' 21.0 and later. 'NotificationChannel' is only supported on: 'android' 26.0 and later. (https://learn.microsoft.com/dotnet/fundamentals/code-analysis/quality-rules/ca1416)
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\Android\Tasky\TaskRunner.cs(309,17,310,40): warning CA1416: This call site is reachable on: 'Android' 21.0 and later. 'ContextWrapper.StartForegroundService(Intent?)' is only supported on: 'android' 26.0 and later. (https://learn.microsoft.com/dotnet/fundamentals/code-analysis/quality-rules/ca1416)
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\Android\Tasky\TaskRunner.cs(349,37,349,77): warning CA1422: This call site is reachable on: 'Android' 21.0 and later. 'ActivityManager.GetRunningServices(int)' is obsoleted on: 'Android' 26.0 and later. (https://learn.microsoft.com/dotnet/fundamentals/code-analysis/quality-rules/ca1422)
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\Android\AppSrc\Src\Manager\NotificationDependencyA.cs(65,40,65,86): warning CA1416: This call site is reachable on: 'Android' 21.0 and later. 'Html.FromHtml(string?, FromHtmlOptions)' is only supported on: 'android' 24.0 and later. (https://learn.microsoft.com/dotnet/fundamentals/code-analysis/quality-rules/ca1416)
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\Android\AppSrc\Src\Manager\NotificationDependencyA.cs(63,44,63,62): warning CA1422: This call site is reachable on: 'Android' 21.0 and later. 'Html.FromHtml(string?)' is obsoleted on: 'Android' 24.0 and later. (https://learn.microsoft.com/dotnet/fundamentals/code-analysis/quality-rules/ca1422)
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\Android\DependencyImplementation\BackgroundService_Android.cs(184,17,184,27): warning CA2200: Re-throwing caught exception changes stack information (https://learn.microsoft.com/dotnet/fundamentals/code-analysis/quality-rules/ca2200)
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\Android\AppSrc\Src\Manager\NotificationDependencyA.cs(120,21,120,89): warning CA1416: This call site is reachable on: 'Android' 21.0 and later. 'NotificationManager.CreateNotificationChannel(NotificationChannel)' is only supported on: 'android' 26.0 and later. (https://learn.microsoft.com/dotnet/fundamentals/code-analysis/quality-rules/ca1416)
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\Android\AppSrc\Src\Manager\NotificationDependencyA.cs(115,49,118,22): warning CA1416: This call site is reachable on: 'Android' 21.0 and later. 'NotificationChannel' is only supported on: 'android' 26.0 and later. (https://learn.microsoft.com/dotnet/fundamentals/code-analysis/quality-rules/ca1416)
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\Android\AppSrc\Src\Manager\NotificationDependencyA.cs(117,25,117,36): warning CA1416: This call site is reachable on: 'Android' 21.0 and later. 'NotificationChannel.Description.set' is only supported on: 'android' 26.0 and later. (https://learn.microsoft.com/dotnet/fundamentals/code-analysis/quality-rules/ca1416)
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\Android\AppSrc\Src\Manager\NotificationDependencyA.cs(117,25,117,36): warning CA1416: This call site is reachable on: 'Android' 21.0 and later. 'NotificationChannel.Description' is only supported on: 'android' 26.0 and later. (https://learn.microsoft.com/dotnet/fundamentals/code-analysis/quality-rules/ca1416)
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\Android\AppSrc\Src\Manager\NotificationDependencyA.cs(138,21,138,106): warning CA1416: This call site is reachable on: 'Android' 21.0 and later. 'Context.CheckSelfPermission(string)' is only supported on: 'android' 23.0 and later. (https://learn.microsoft.com/dotnet/fundamentals/code-analysis/quality-rules/ca1416)
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\Android\DependencyImplementation\BackgroundAlarmManager.cs(74,32,74,75): warning CA1416: This call site is reachable on: 'Android' 21.0 and later. 'Context.StartForegroundService(Intent?)' is only supported on: 'android' 26.0 and later. (https://learn.microsoft.com/dotnet/fundamentals/code-analysis/quality-rules/ca1416)
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\Android\DependencyImplementation\BluetoothExample_Android.cs(24,50,24,81): warning CA1422: This call site is reachable on: 'Android' 21.0 and later. 'BluetoothAdapter.DefaultAdapter' is obsoleted on: 'Android' 31.0 and later. (https://learn.microsoft.com/dotnet/fundamentals/code-analysis/quality-rules/ca1422)
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\Android\MainActivity.cs(68,13,68,68): warning CA1416: This call site is reachable on: 'Android' 21.0 and later. 'NotificationManager.CreateNotificationChannel(NotificationChannel)' is only supported on: 'android' 26.0 and later. (https://learn.microsoft.com/dotnet/fundamentals/code-analysis/quality-rules/ca1416)
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\Android\MainActivity.cs(64,13,64,43): warning CA1416: This call site is reachable on: 'Android' 21.0 and later. 'NotificationChannel.EnableVibration(bool)' is only supported on: 'android' 26.0 and later. (https://learn.microsoft.com/dotnet/fundamentals/code-analysis/quality-rules/ca1416)
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\Android\MainActivity.cs(61,44,61,123): warning CA1416: This call site is reachable on: 'Android' 21.0 and later. 'NotificationChannel' is only supported on: 'android' 26.0 and later. (https://learn.microsoft.com/dotnet/fundamentals/code-analysis/quality-rules/ca1416)
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\Android\MainActivity.cs(59,13,59,43): warning CA1416: This call site is reachable on: 'Android' 21.0 and later. 'NotificationChannel.EnableVibration(bool)' is only supported on: 'android' 26.0 and later. (https://learn.microsoft.com/dotnet/fundamentals/code-analysis/quality-rules/ca1416)
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\Android\MainActivity.cs(63,13,63,40): warning CA1416: This call site is reachable on: 'Android' 21.0 and later. 'NotificationChannel.EnableLights(bool)' is only supported on: 'android' 26.0 and later. (https://learn.microsoft.com/dotnet/fundamentals/code-analysis/quality-rules/ca1416)
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\Android\MainActivity.cs(55,43,55,130): warning CA1416: This call site is reachable on: 'Android' 21.0 and later. 'NotificationChannel' is only supported on: 'android' 26.0 and later. (https://learn.microsoft.com/dotnet/fundamentals/code-analysis/quality-rules/ca1416)
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\Android\MainActivity.cs(62,13,62,33): warning CA1416: This call site is reachable on: 'Android' 21.0 and later. 'NotificationChannel.Description.set' is only supported on: 'android' 26.0 and later. (https://learn.microsoft.com/dotnet/fundamentals/code-analysis/quality-rules/ca1416)
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\Android\MainActivity.cs(62,13,62,33): warning CA1416: This call site is reachable on: 'Android' 21.0 and later. 'NotificationChannel.Description' is only supported on: 'android' 26.0 and later. (https://learn.microsoft.com/dotnet/fundamentals/code-analysis/quality-rules/ca1416)
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\Android\MainActivity.cs(58,13,58,41): warning CA1416: This call site is reachable on: 'Android' 21.0 and later. 'NotificationChannel.SetSound(Uri?, AudioAttributes?)' is only supported on: 'android' 26.0 and later. (https://learn.microsoft.com/dotnet/fundamentals/code-analysis/quality-rules/ca1416)
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\Android\MainActivity.cs(56,13,56,32): warning CA1416: This call site is reachable on: 'Android' 21.0 and later. 'NotificationChannel.Description.set' is only supported on: 'android' 26.0 and later. (https://learn.microsoft.com/dotnet/fundamentals/code-analysis/quality-rules/ca1416)
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\Android\MainActivity.cs(56,13,56,32): warning CA1416: This call site is reachable on: 'Android' 21.0 and later. 'NotificationChannel.Description' is only supported on: 'android' 26.0 and later. (https://learn.microsoft.com/dotnet/fundamentals/code-analysis/quality-rules/ca1416)
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\Android\MainActivity.cs(67,13,67,67): warning CA1416: This call site is reachable on: 'Android' 21.0 and later. 'NotificationManager.CreateNotificationChannel(NotificationChannel)' is only supported on: 'android' 26.0 and later. (https://learn.microsoft.com/dotnet/fundamentals/code-analysis/quality-rules/ca1416)
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\Android\MainActivity.cs(57,13,57,40): warning CA1416: This call site is reachable on: 'Android' 21.0 and later. 'NotificationChannel.EnableLights(bool)' is only supported on: 'android' 26.0 and later. (https://learn.microsoft.com/dotnet/fundamentals/code-analysis/quality-rules/ca1416)
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\Android\Services\AlertedBackgroundService.cs(610,21,610,41): warning CA1422: This call site is reachable on: 'Android' 21.0 and later. 'Service.StopForeground(bool)' is obsoleted on: 'Android' 33.0 and later. (https://learn.microsoft.com/dotnet/fundamentals/code-analysis/quality-rules/ca1422)
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\VorgangDetailBottomSheet\VorgangAnhangView.xaml.cs(383,17,383,25): warning CA2200: Re-throwing caught exception changes stack information (https://learn.microsoft.com/dotnet/fundamentals/code-analysis/quality-rules/ca2200)
4>Time4App -> C:\dev-msoft\git\Time4App.Maui\Time4App\bin\Debug\net7.0-android\Time4App.dll
4>Detected signing identity:
4> Provisioning Profile: "VS: WildCard Development" (3f8a7581-dcb4-4024-9fb4-c1a9ba4028a8)
4> Bundle Id: de.time4.maui.TIME4
4> App Id: 23H6SV5HF3.de.time4.maui.TIME4
4>Done building project "Time4App.csproj".
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\View\IconListItem.cs(31,55,31,59): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\View\IconListItem.cs(31,76,31,80): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\View\IconListItem.cs(31,100,31,104): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\View\IconListItem.cs(31,124,31,128): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\PickerManager.cs(15,130,15,134): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\PickerManager.cs(15,242,15,246): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\PickerManager.cs(18,135,18,139): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\PickerManager.cs(18,247,18,251): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\PickerManager.cs(21,152,21,156): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\PickerManager.cs(21,264,21,268): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\CustomControls\CustomLabel.cs(87,92,87,96): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\NotificationManager\NotificationManager.cs(111,45,111,49): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\iOS\DependencyImplementation\Bluetoothexample_iOS.cs(91,30,91,55): warning CS8765: Nullability of type of parameter 'error' doesn't match overridden member (possibly because of nullability attributes).
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\iOS\DependencyImplementation\Bluetoothexample_iOS.cs(97,30,97,52): warning CS8765: Nullability of type of parameter 'error' doesn't match overridden member (possibly because of nullability attributes).
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\ArticleCatalogViewModel.cs(63,231,63,235): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\iOS\DependencyImplementation\Bluetoothexample_iOS.cs(117,30,117,47): warning CS8765: Nullability of type of parameter 'error' doesn't match overridden member (possibly because of nullability attributes).
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\iOS\DependencyImplementation\Bluetoothexample_iOS.cs(127,30,127,55): warning CS8765: Nullability of type of parameter 'error' doesn't match overridden member (possibly because of nullability attributes).
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\iOS\DependencyImplementation\Bluetoothexample_iOS.cs(137,30,137,42): warning CS8765: Nullability of type of parameter 'error' doesn't match overridden member (possibly because of nullability attributes).
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\iOS\DependencyImplementation\Bluetoothexample_iOS.cs(142,30,142,59): warning CS8765: Nullability of type of parameter 'error' doesn't match overridden member (possibly because of nullability attributes).
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\iOS\DependencyImplementation\DataAccessHelperIOS.cs(84,88,84,92): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\iOS\DependencyImplementation\DataAccessHelperIOS.cs(84,115,84,119): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\ArticleBookingEditContentView.xaml.cs(50,148,50,152): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\ArticleBookingEditViewModel.cs(17,50,17,65): warning CS8612: Nullability of reference types in type of 'event PropertyChangedEventHandler ArticleBookingEditViewModel.PropertyChanged' doesn't match implicitly implemented member 'event PropertyChangedEventHandler? INotifyPropertyChanged.PropertyChanged'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\ArticleBookingEditViewModel.cs(201,120,201,124): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Module\DiagnosticData\DiagnosticDataPage.cs(25,101,25,105): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\ArticleBookingOverviewViewModel.cs(150,115,150,119): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\ArticleBookingOverviewViewModel.cs(151,60,151,64): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\ArticleBookingOverviewViewModel.cs(196,59,196,63): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\ArticleBookingOverviewViewModel.cs(196,112,196,116): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Module\PersonalOverview\GroupSelectionPage.cs(23,150,23,154): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Module\PersonalOverview\PersonalSelectionPage.cs(20,160,20,164): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Module\Picker\Picker.cs(16,150,16,154): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Module\Picker\Picker.cs(16,225,16,229): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Module\Picker\PickerView.xaml.cs(23,147,23,151): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Module\Picker\PickerView.xaml.cs(23,222,23,226): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Module\Picker\PickerViewDataTemplateFactory.cs(72,95,72,99): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\GuiExtensions.cs(105,105,105,109): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Module\Picker\PickerViewDataTemplateFactory.cs(72,119,72,123): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Module\Picker\PickerViewDataTemplateFactory.cs(72,151,72,155): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Module\Picker\PickerViewDataTemplateFactory.cs(75,109,75,113): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Module\Picker\PickerViewDataTemplateFactory.cs(75,133,75,137): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Module\Picker\PickerViewDataTemplateFactory.cs(75,165,75,169): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Module\Picker\PickerViewDataTemplateFactory.cs(78,125,78,129): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Module\Picker\PickerViewDataTemplateFactory.cs(78,157,78,161): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Module\Picker\PickerViewDataTemplateFactory.cs(78,189,78,193): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\HandauftragserfassungRD.cs(16,62,16,66): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\KatalogdownloadRD.cs(12,81,12,85): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\KatalogdownloadViewModelRD.cs(33,88,33,92): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\KatalogdownloadViewRD.xaml.cs(19,83,19,87): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\StundenzettelViewModelRD.cs(29,65,29,69): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\StundenzettelViewModelRD.cs(29,97,29,101): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\KatalogViewModelRD.cs(364,50,364,65): warning CS8612: Nullability of reference types in type of 'event PropertyChangedEventHandler KatalogViewModelRD.PropertyChanged' doesn't match implicitly implemented member 'event PropertyChangedEventHandler? INotifyPropertyChanged.PropertyChanged'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\iOS\DependencyImplementation\AttachmentDependency.cs(113,106,113,110): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\KatalogViewModelRD.cs(89,80,89,84): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\KatalogViewModelRD.cs(94,55,94,59): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\KatalogViewModelRD.cs(94,81,94,85): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\KatalogViewModelRD.cs(359,73,359,77): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\iOS\Legacy\CustomRenderers\AttachmentPdfWebView_IOS.cs(6,45,6,62): warning CS0618: 'WkWebViewRenderer' is obsolete: 'This renderer is obsolete please try to use the corresponding handler/mapper'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\PermissionRequestHelper.cs(82,93,82,97): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\PermissionRequestHelper.cs(82,122,82,126): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\PermissionRequestHelper.cs(82,150,82,154): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\CardDeck.cs(68,73,68,77): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\iOS\Legacy\CustomRenderers\CarouselViewRenderer.cs(6,47,6,67): warning CS0618: 'CarouselViewRenderer' is obsolete: 'This renderer is obsolete please try to use the corresponding handler/mapper'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\CardDeck.cs(155,22,155,27): warning CS0108: 'FramedCard.Frame' hides inherited member 'VisualElement.Frame'. Use the new keyword if hiding was intended.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\iOS\Legacy\CustomRenderers\ColoredProgressBarRenderer.cs(9,47,9,66): warning CS0618: 'ProgressBarRenderer' is obsolete: 'This renderer is obsolete please try to use the corresponding handler/mapper'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\iOS\Legacy\CustomRenderers\CustomCollectionViewRenderer.cs(8,49,8,71): warning CS0618: 'CollectionViewRenderer' is obsolete: 'This renderer is obsolete please try to use the corresponding handler/mapper'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\iOS\Legacy\CustomRenderers\CustomImageRenderer.cs(12,33,12,46): warning CS0618: 'ImageRenderer' is obsolete: 'This renderer is obsolete please try to use the corresponding handler/mapper'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\iOS\Legacy\CustomRenderers\CustomLabelRenderer.cs(11,33,11,46): warning CS0618: 'LabelRenderer' is obsolete: 'This renderer is obsolete please try to use the corresponding handler/mapper'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\iOS\Legacy\CustomRenderers\CustomViewRenderer.cs(7,39,7,55): warning CS0618: 'ViewCellRenderer' is obsolete: 'Use Microsoft.Maui.Controls.Platform.Compatibility.ViewCellRenderer instead'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\iOS\Legacy\CustomRenderers\CustomWebViewRenderer.cs(9,42,9,59): warning CS0618: 'WkWebViewRenderer' is obsolete: 'This renderer is obsolete please try to use the corresponding handler/mapper'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\iOS\Legacy\CustomRenderers\ImprovedTextCellRenderer.cs(7,45,7,61): warning CS0618: 'TextCellRenderer' is obsolete: 'Use Microsoft.Maui.Controls.Platform.Compatibility.TextCellRenderer instead'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\iOS\Legacy\CustomRenderers\KeyboardViewRenderer .cs(9,41,9,53): warning CS0618: 'ViewRenderer' is obsolete: 'Use Microsoft.Maui.Controls.Handlers.Compatibility.ViewRenderer instead'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\iOS\Legacy\CustomRenderers\DoneEntryRenderer.cs(9,38,9,51): warning CS0618: 'EntryRenderer' is obsolete: 'This renderer is obsolete please try to use the corresponding handler/mapper'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\iOS\Legacy\CustomRenderers\MatPlatformEntryRenderer.cs(6,45,6,58): warning CS0618: 'EntryRenderer' is obsolete: 'This renderer is obsolete please try to use the corresponding handler/mapper'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\SideMenu\AbholIdent\LieferantenAuswahl\Lieferant.cs(19,59,19,63): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\SideMenu\BuchungOverview\BuchungOverviewModelRD.cs(33,81,33,85): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\SideMenu\BuchungOverview\BuchungOverviewModelRD.cs(33,113,33,117): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\LogManager.cs(47,53,47,69): warning CS4026: The CallerMemberNameAttribute applied to parameter 'methodName' will have no effect because it applies to a member that is used in contexts that do not allow optional arguments
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\LogManager.cs(48,18,48,34): warning CS4024: The CallerLineNumberAttribute applied to parameter 'lineNumber' will have no effect because it applies to a member that is used in contexts that do not allow optional arguments
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\LogManager.cs(52,14,52,30): warning CS4026: The CallerMemberNameAttribute applied to parameter 'methodName' will have no effect because it applies to a member that is used in contexts that do not allow optional arguments
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\LogManager.cs(52,59,52,75): warning CS4024: The CallerLineNumberAttribute applied to parameter 'lineNumber' will have no effect because it applies to a member that is used in contexts that do not allow optional arguments
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\LogManager.cs(57,64,57,80): warning CS4026: The CallerMemberNameAttribute applied to parameter 'methodName' will have no effect because it applies to a member that is used in contexts that do not allow optional arguments
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\LogManager.cs(58,14,58,30): warning CS4024: The CallerLineNumberAttribute applied to parameter 'lineNumber' will have no effect because it applies to a member that is used in contexts that do not allow optional arguments
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\LogManager.cs(65,14,65,30): warning CS4026: The CallerMemberNameAttribute applied to parameter 'memberName' will have no effect because it applies to a member that is used in contexts that do not allow optional arguments
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\SideMenu\Settings\ChangePasswordViewModel.cs(166,166,166,170): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\LogManager.cs(65,57,65,73): warning CS4024: The CallerLineNumberAttribute applied to parameter 'lineNumber' will have no effect because it applies to a member that is used in contexts that do not allow optional arguments
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\LogManager.cs(12,79,12,83): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\LogManager.cs(12,107,12,111): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\LogManager.cs(12,152,12,156): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\LogManager.cs(23,84,23,88): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\LogManager.cs(23,107,23,111): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\LogManager.cs(23,152,23,156): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\LogManager.cs(34,120,34,124): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\LogManager.cs(71,104,71,108): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\LogManager.cs(18,68,18,72): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\LogManager.cs(18,96,18,100): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\LogManager.cs(18,141,18,145): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\LogManager.cs(29,73,29,77): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\LogManager.cs(29,96,29,100): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\LogManager.cs(29,141,29,145): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\LogManager.cs(40,109,40,113): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\LogManager.cs(77,93,77,97): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\LogManager.cs(47,78,47,88): warning CS1066: The default value specified for parameter 'methodName' will have no effect because it applies to a member that is used in contexts that do not allow optional arguments
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\LogManager.cs(48,40,48,50): warning CS1066: The default value specified for parameter 'lineNumber' will have no effect because it applies to a member that is used in contexts that do not allow optional arguments
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\LogManager.cs(51,70,51,79): warning CS1066: The default value specified for parameter 'exception' will have no effect because it applies to a member that is used in contexts that do not allow optional arguments
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\LogManager.cs(51,82,51,86): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\LogManager.cs(51,95,51,102): warning CS1066: The default value specified for parameter 'message' will have no effect because it applies to a member that is used in contexts that do not allow optional arguments
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\LogManager.cs(51,105,51,109): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\LogManager.cs(52,39,52,49): warning CS1066: The default value specified for parameter 'methodName' will have no effect because it applies to a member that is used in contexts that do not allow optional arguments
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\LogManager.cs(52,52,52,56): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\LogManager.cs(52,81,52,91): warning CS1066: The default value specified for parameter 'lineNumber' will have no effect because it applies to a member that is used in contexts that do not allow optional arguments
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\LogManager.cs(57,89,57,99): warning CS1066: The default value specified for parameter 'methodName' will have no effect because it applies to a member that is used in contexts that do not allow optional arguments
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\LogManager.cs(57,102,57,106): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\LogManager.cs(58,36,58,46): warning CS1066: The default value specified for parameter 'lineNumber' will have no effect because it applies to a member that is used in contexts that do not allow optional arguments
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\iOS\Legacy\CustomRenderers\TabPageRenderer.cs(8,39,8,53): warning CS0618: 'TabbedRenderer' is obsolete: 'Use Microsoft.Maui.Controls.Handlers.Compatibility.TabbedRenderer instead'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Module\ZeitbuchungBemerkung\ZeitbuchungBemerkungContentView.xaml.cs(31,50,31,65): warning CS8612: Nullability of reference types in type of 'event PropertyChangedEventHandler ZeitbuchungBemerkungViewModel.PropertyChanged' doesn't match implicitly implemented member 'event PropertyChangedEventHandler? INotifyPropertyChanged.PropertyChanged'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Bericht\BerichteAbrufViewModel.cs(66,89,66,93): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Bericht\BerichteAbrufViewModel.cs(66,121,66,125): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Fotodoku\ShowImagePage.cs(41,86,41,90): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\VorgangDetailBottomSheet.xaml.cs(36,92,36,96): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Materialanforderung\MaterialanforderungenErfassen\MaterialanforderungenErfassenPage.cs(17,131,17,135): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Zeitbuchung\BuchungsListeViewModel.cs(49,207,49,211): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Zeitbuchung\BuchungsListeViewModel.cs(49,239,49,243): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\Vorgang\Zeitbuchung\NacherfassungViewModel.cs(712,73,712,77): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\View\Terminuebersicht\TerminUebersichtViewModel.cs(46,66,46,70): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\View\Terminuebersicht\TerminUebersichtViewModel.cs(46,98,46,102): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Helper\JsonHelper.cs(8,90,8,94): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Helper\JsonHelper.cs(22,101,22,105): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\LogManager.cs(64,68,64,75): warning CS1066: The default value specified for parameter 'message' will have no effect because it applies to a member that is used in contexts that do not allow optional arguments
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\LogManager.cs(64,95,64,104): warning CS1066: The default value specified for parameter 'exception' will have no effect because it applies to a member that is used in contexts that do not allow optional arguments
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\LogManager.cs(65,39,65,49): warning CS1066: The default value specified for parameter 'memberName' will have no effect because it applies to a member that is used in contexts that do not allow optional arguments
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\LogManager.cs(65,79,65,89): warning CS1066: The default value specified for parameter 'lineNumber' will have no effect because it applies to a member that is used in contexts that do not allow optional arguments
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\LogManager.cs(82,136,82,140): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\LogManager.cs(101,75,101,79): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\LogManager.cs(101,103,101,107): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\LogManager.cs(101,129,101,133): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ServerDataManager\DataSyncResult.cs(11,120,11,124): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\ArticleBookingEditContentPage.xaml.cs(76,148,76,152): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\ArticleBookingEditContentPage.xaml.cs(84,165,84,169): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\ArticleBookingEditContentPage.xaml.cs(41,137,41,141): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\ArticlePickerViewModel.cs(50,80,50,84): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\SyncManager\SyncManager.cs(23,56,23,60): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\FinalPage\FinalPageEmailItemViewModel.cs(27,66,27,70): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\FinalPage\FinalPageHeaderViewModel.cs(38,183,38,187): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\SideMenu\SideMenuMorePage.cs(177,33,177,38): warning CS0108: 'SideMenuMorePage.PageContentView.ListItemData.Title' hides inherited member 'BaseViewModel.Title'. Use the new keyword if hiding was intended.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\SideMenu\SideMenuMorePage.cs(184,97,184,101): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Factories\Manager\DialogPageFactory.cs(17,67,17,71): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\FinalPage\FinalPageItemViewModel.cs(80,185,80,189): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\FinalPage\FinalPageItemViewModel.cs(221,172,221,176): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\SideMenu\Team\TeamBuchungOverviewModel.cs(93,119,93,123): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\SideMenu\Team\TeamBuchungOverviewModel.cs(93,151,93,155): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\SideMenu\Team\TeamBuchungOverviewModel.cs(419,46,419,50): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\SideMenu\Team\TeamBuchungOverviewModel.cs(434,52,434,56): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\SideMenu\Team\TeamBuchungOverviewModel.cs(453,46,453,50): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\SideMenu\Team\TeamBuchungOverviewModel.cs(478,52,478,56): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\Pages\SideMenu\Team\TeamBuchungOverviewModel.cs(478,77,478,81): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\FinalPage\FinalPageViewModel.cs(92,118,92,122): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\FinalPage\FinalPageViewModel.cs(92,183,92,187): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\FinalPage\FinalPageViewModel.cs(92,213,92,217): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\FinalPage\FinalPageViewModel.cs(92,245,92,249): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\InternalTextDocumentationViewModel.cs(22,50,22,65): warning CS8612: Nullability of reference types in type of 'event PropertyChangedEventHandler InternalTextDocumentationViewModel.PropertyChanged' doesn't match implicitly implemented member 'event PropertyChangedEventHandler? INotifyPropertyChanged.PropertyChanged'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\ZeitbuchungWrapper.cs(62,23,62,27): warning CS1066: The default value specified for parameter 'zeit' will have no effect because it applies to a member that is used in contexts that do not allow optional arguments
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\ZeitbuchungWrapper.cs(63,44,63,53): warning CS1066: The default value specified for parameter 'anpassung' will have no effect because it applies to a member that is used in contexts that do not allow optional arguments
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\ZeitbuchungWrapper.cs(68,23,68,27): warning CS1066: The default value specified for parameter 'zeit' will have no effect because it applies to a member that is used in contexts that do not allow optional arguments
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\ZeitbuchungWrapper.cs(69,44,69,53): warning CS1066: The default value specified for parameter 'anpassung' will have no effect because it applies to a member that is used in contexts that do not allow optional arguments
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\ZeitbuchungWrapper.cs(74,23,74,27): warning CS1066: The default value specified for parameter 'zeit' will have no effect because it applies to a member that is used in contexts that do not allow optional arguments
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\ZeitbuchungWrapper.cs(75,44,75,53): warning CS1066: The default value specified for parameter 'anpassung' will have no effect because it applies to a member that is used in contexts that do not allow optional arguments
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\ZeitbuchungWrapper.cs(80,23,80,27): warning CS1066: The default value specified for parameter 'zeit' will have no effect because it applies to a member that is used in contexts that do not allow optional arguments
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\ZeitbuchungWrapper.cs(81,44,81,53): warning CS1066: The default value specified for parameter 'anpassung' will have no effect because it applies to a member that is used in contexts that do not allow optional arguments
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\ZeitbuchungWrapper.cs(92,20,92,31): warning CS1066: The default value specified for parameter 'regienummer' will have no effect because it applies to a member that is used in contexts that do not allow optional arguments
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\ZeitbuchungWrapper.cs(92,34,92,38): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\ZeitbuchungWrapper.cs(93,20,93,29): warning CS1066: The default value specified for parameter 'bemerkung' will have no effect because it applies to a member that is used in contexts that do not allow optional arguments
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\ZeitbuchungWrapper.cs(93,32,93,36): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\ZeitbuchungWrapper.cs(113,20,113,31): warning CS1066: The default value specified for parameter 'regienummer' will have no effect because it applies to a member that is used in contexts that do not allow optional arguments
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\ZeitbuchungWrapper.cs(113,34,113,38): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\ZeitbuchungWrapper.cs(114,20,114,29): warning CS1066: The default value specified for parameter 'bemerkung' will have no effect because it applies to a member that is used in contexts that do not allow optional arguments
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\ZeitbuchungWrapper.cs(114,32,114,36): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\ZeitbuchungWrapper.cs(280,76,280,80): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\ZeitbuchungWrapper.cs(280,101,280,105): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\ZeitbuchungWrapper.cs(304,76,304,80): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\ZeitbuchungWrapper.cs(304,101,304,105): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\ZeitbuchungWrapper.cs(330,92,330,96): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\AnalyticsManager.cs(454,84,454,88): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\AnalyticsManager.cs(459,140,459,144): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\BookingManager\BookingManagerEchtzeit.cs(44,70,44,74): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\BookingManager\BookingManagerEchtzeit.cs(93,72,93,76): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\BookingManager\TeamBuchungStateManager.cs(18,89,18,107): warning CS1066: The default value specified for parameter 'taetigkeitenStatus' will have no effect because it applies to a member that is used in contexts that do not allow optional arguments
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\NotificationManager\NotificationManager.cs(43,17,43,58): warning CS8073: The result of the expression is always 'true' since a value of type 'DateTime' is never equal to 'null' of type 'DateTime?'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\NotificationManager\NotificationManager.cs(113,13,113,19): warning CS0612: 'Device' is obsolete
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\NotificationManager\NotificationManager.cs(113,13,138,15): warning CS0618: 'Device.BeginInvokeOnMainThread(Action)' is obsolete: 'Use BindableObject.Dispatcher.Dispatch() instead.'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\NotificationManager\NotificationManager.cs(113,53,113,55): warning CS1998: This async method lacks 'await' operators and will run synchronously. Consider using the 'await' operator to await non-blocking API calls, or 'await Task.Run(...)' to do CPU-bound work on a background thread.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\View\IconListItem.cs(31,16,31,28): warning CS8618: Non-nullable field 'titleText' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\View\IconListItem.cs(31,16,31,28): warning CS8618: Non-nullable field 'subtitleText' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\View\IconListItem.cs(31,16,31,28): warning CS8618: Non-nullable field 'iconSource' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\View\IconListItem.cs(31,16,31,28): warning CS8618: Non-nullable field 'onTapped' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\View\TabbedView\TabbedView.xaml.cs(16,12,16,22): warning CS8618: Non-nullable property 'SelectedTabItem' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\View\IconListItem.cs(46,21,46,52): warning CS8604: Possible null reference argument for parameter 'subTitle' in 'IconListItem.IconListItem(ImageSource imageSource = null, string title = null, string subTitle = null, Command command = null)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\View\IconListItem.cs(65,21,65,60): warning CS8604: Possible null reference argument for parameter 'subTitle' in 'IconListItem.IconListItem(ImageSource imageSource = null, string title = null, string subTitle = null, Command command = null)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\View\IconListItem.cs(75,21,75,53): warning CS8604: Possible null reference argument for parameter 'subTitle' in 'IconListItem.IconListItem(ImageSource imageSource = null, string title = null, string subTitle = null, Command command = null)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\View\IconListItem.cs(86,21,86,50): warning CS8604: Possible null reference argument for parameter 'subTitle' in 'IconListItem.IconListItem(ImageSource imageSource = null, string title = null, string subTitle = null, Command command = null)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\View\IconListItem.cs(97,21,97,50): warning CS8604: Possible null reference argument for parameter 'subTitle' in 'IconListItem.IconListItem(ImageSource imageSource = null, string title = null, string subTitle = null, Command command = null)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\HyperLinkConverter.cs(34,52,34,55): warning CS8604: Possible null reference argument for parameter 'text' in 'FormattedString HyperLinkConverter.SetLabelSpansWithHyperlinks(string text)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\View\TabbedView\TabbedView.xaml.cs(86,43,86,71): warning CS8604: Possible null reference argument for parameter 'title' in 'void ITitleBar.SetTitle(string title)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\View\TabbedView\TabbedView.xaml.cs(87,46,87,77): warning CS8604: Possible null reference argument for parameter 'subtitle' in 'void ITitleBar.SetSubtitle(string subtitle)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\View\TabbedView\TabbedView.xaml.cs(93,47,93,82): warning CS8604: Possible null reference argument for parameter 'items' in 'void ITitleBar.SetTitleBarItems(List<ITitleBarItemB> items)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\View\TabbedView\TabbedView.xaml.cs(94,50,94,89): warning CS8604: Possible null reference argument for parameter 'item' in 'void ITitleBar.SetTitleBarItemLeft(ITitleBarItemB item)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\View\TabbedView\TabbedView.xaml.cs(98,39,98,43): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\View\TabbedView\TabbedView.xaml.cs(99,42,99,46): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\View\TabbedView\TabbedView.xaml.cs(100,47,100,51): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\GUI\View\TabbedView\TabbedView.xaml.cs(101,50,101,54): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Generator\QR\QRCode.cs(1189,16,1189,22): warning CS8618: Non-nullable field 'matrix' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\WeatherData.cs(167,23,167,33): warning CS8618: Non-nullable property 'Visibility' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\WeatherData.cs(170,23,170,34): warning CS8618: Non-nullable property 'Description' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\WeatherData.cs(173,23,173,27): warning CS8618: Non-nullable property 'Icon' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\WeatherData.cs(152,23,152,30): warning CS8618: Non-nullable property 'Country' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\iOS\Services\NAtiveHTTPService.cs(20,16,20,33): warning CS8618: Non-nullable event 'PercentageChanged' must contain a non-null value when exiting constructor. Consider declaring the event as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\iOS\Services\NAtiveHTTPService.cs(56,17,56,124): warning CS4014: Because this call is not awaited, execution of the current method continues before the call is completed. Consider applying the 'await' operator to the result of the call.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\iOS\Services\NAtiveHTTPService.cs(58,21,58,94): warning CS8600: Converting null literal or possible null value to non-nullable type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\iOS\Services\NAtiveHTTPService.cs(59,24,59,27): warning CS8603: Possible null reference return.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\iOS\Services\NAtiveHTTPService.cs(117,24,117,86): warning CS8603: Possible null reference return.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\iOS\Services\MyWebClient.cs(5,5,14,6): warning SYSLIB0014: 'WebClient.WebClient()' is obsolete: 'WebRequest, HttpWebRequest, ServicePoint, and WebClient are obsolete. Use HttpClient instead.' (https://aka.ms/dotnet-warnings/SYSLIB0014)
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ImageDownloadManager\HttpClientManager.cs(49,24,49,28): warning CS8603: Possible null reference return.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\iOS\Legacy\Effects\TouchRecognizer.cs(129,45,129,49): warning CS8600: Converting null literal or possible null value to non-nullable type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\iOS\Legacy\Effects\TouchRecognizer.cs(150,43,150,56): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ImageDownloadManager\ImageCacheDatabase.cs(61,16,61,27): warning CS8618: Non-nullable property 'url' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ImageDownloadManager\ImageCacheDatabase.cs(61,16,61,27): warning CS8618: Non-nullable property 'imageData' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ImageDownloadManager\ImageCacheDatabase.cs(39,24,39,28): warning CS8603: Possible null reference return.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\iOS\Legacy\Effects\TouchEffect_iOS.cs(22,41,22,121): warning CS8600: Converting null literal or possible null value to non-nullable type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\iOS\Legacy\Effects\TouchEffect_iOS.cs(10,16,10,20): warning CS8618: Non-nullable field 'view' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\iOS\Legacy\Effects\TouchEffect_iOS.cs(11,25,11,40): warning CS8618: Non-nullable field 'touchRecognizer' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ImageDownloadManager\ImageCacheDatabase.cs(10,38,10,46): warning CS8618: Non-nullable field 'database' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ImageDownloadManager\ImageDownloadManager.cs(23,20,23,42): warning CS8603: Possible null reference return.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\iOS\Legacy\CustomRenderers\TabPageRenderer.cs(20,32,20,70): warning CS0618: 'CompatibilityColorExtensions.ToUIColor(Color)' is obsolete: 'Use the Color.ToPlatform extension method instead'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\iOS\Legacy\CustomRenderers\KeyboardViewRenderer .cs(21,93,21,107): warning CS8622: Nullability of reference types in type of parameter 'sender' of 'void KeyboardViewRenderer.OnKeyboardShow(object sender, UIKeyboardEventArgs args)' doesn't match the target delegate 'EventHandler<UIKeyboardEventArgs>' (possibly because of nullability attributes).
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\iOS\Legacy\CustomRenderers\KeyboardViewRenderer .cs(22,93,22,107): warning CS8622: Nullability of reference types in type of parameter 'sender' of 'void KeyboardViewRenderer.OnKeyboardHide(object sender, UIKeyboardEventArgs args)' doesn't match the target delegate 'EventHandler<UIKeyboardEventArgs>' (possibly because of nullability attributes).
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Manager\ImageDownloadManager\ImageDownloadManager.cs(57,40,57,50): warning CS8604: Possible null reference argument for parameter 'obj' in 'void Action<byte[]>.Invoke(byte[] obj)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\CustomControls\CustomWebView.cs(26,22,26,26): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\CustomControls\CustomWebView.cs(5,24,5,30): warning CS8618: Non-nullable field 'action' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\iOS\Services\BackgroundService.cs(57,16,57,33): warning CS8618: Non-nullable field 'notificationManager' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\iOS\Services\BackgroundService.cs(57,16,57,33): warning CS8618: Non-nullable field 'propertyChangeSetList' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\iOS\Services\BackgroundService.cs(57,16,57,33): warning CS8618: Non-nullable field 'changes' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\iOS\Services\BackgroundService.cs(57,16,57,33): warning CS8618: Non-nullable property 'Lastcontext' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\iOS\Services\BackgroundService.cs(57,16,57,33): warning CS8618: Non-nullable property 'ContextList' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\iOS\Services\BackgroundService.cs(115,73,115,87): warning CS8622: Nullability of reference types in type of parameter 'sender' of 'void BackgroundService.ATimer_Elapsed(object sender, ElapsedEventArgs e)' doesn't match the target delegate 'ElapsedEventHandler' (possibly because of nullability attributes).
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\iOS\Services\BackgroundService.cs(120,69,120,83): warning CS8622: Nullability of reference types in type of parameter 'sender' of 'void BackgroundService.ATimer_Elapsed(object sender, ElapsedEventArgs e)' doesn't match the target delegate 'ElapsedEventHandler' (possibly because of nullability attributes).
4>C:\dev-msoft\git\Time4App.Maui\Time4App\CustomControls\CustomLabel.cs(83,50,83,54): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\CustomControls\CustomLabel.cs(9,35,9,53): warning CS8618: Non-nullable event 'FontSizeCalculated' must contain a non-null value when exiting constructor. Consider declaring the event as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\iOS\Services\BackgroundService.cs(209,50,209,54): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\iOS\Services\BackgroundService.cs(260,50,260,54): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\iOS\DependencyImplementation\BackgroundService_iOS.cs(23,16,23,37): warning CS8618: Non-nullable field 'service' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\iOS\DependencyImplementation\BackgroundService_iOS.cs(48,50,48,79): warning CS8622: Nullability of reference types in type of parameter 'sender' of 'void BackgroundService_IOS.BackgroundService_ChangesLeft(object sender, EventArgs e)' doesn't match the target delegate 'EventHandler' (possibly because of nullability attributes).
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\iOS\DependencyImplementation\BackgroundService_iOS.cs(49,52,49,83): warning CS8622: Nullability of reference types in type of parameter 'sender' of 'void BackgroundService_IOS.BackgroundService_NoChangesLeft(object sender, EventArgs e)' doesn't match the target delegate 'EventHandler' (possibly because of nullability attributes).
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\iOS\DependencyImplementation\BackgroundService_iOS.cs(50,46,50,71): warning CS8622: Nullability of reference types in type of parameter 'sender' of 'void BackgroundService_IOS.BackgroundService_Sending(object sender, EventArgs e)' doesn't match the target delegate 'EventHandler' (possibly because of nullability attributes).
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\AdressenListeViewModelRD.cs(45,57,45,61): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\AdressenListeViewModelRD.cs(34,16,34,40): warning CS8618: Non-nullable field 'adressenItems' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\AdressenListeViewModelRD.cs(34,16,34,40): warning CS8618: Non-nullable field 'searchedText' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\AdressenListeViewModelRD.cs(34,16,34,40): warning CS8618: Non-nullable field 'adressenItemTapped' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\AdressenListeViewModelRD.cs(34,16,34,40): warning CS8618: Non-nullable field 'notificationText' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\AdressenListeViewModelRD.cs(91,36,91,51): warning CS8622: Nullability of reference types in type of parameter 'sender' of 'void AdressenListeViewModelRD.Request_Auszeit(object sender, EventArgs e)' doesn't match the target delegate 'EventHandler' (possibly because of nullability attributes).
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\AdressenListeViewModelRD.cs(93,36,93,51): warning CS8622: Nullability of reference types in type of parameter 'sender' of 'void AdressenListeViewModelRD.Request_Auszeit(object sender, EventArgs e)' doesn't match the target delegate 'EventHandler' (possibly because of nullability attributes).
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\AdressenListeViewModelRD.cs(144,17,144,23): warning CS0612: 'Device' is obsolete
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\AdressenListeViewModelRD.cs(144,17,149,19): warning CS0618: 'Device.BeginInvokeOnMainThread(Action)' is obsolete: 'Use BindableObject.Dispatcher.Dispatch() instead.'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\AdressenListeViewModelRD.cs(117,42,117,50): warning CS8602: Dereference of a possibly null reference.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\AdressenListeViewModelRD.cs(155,13,155,19): warning CS0612: 'Device' is obsolete
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\AdressenListeViewModelRD.cs(159,21,159,27): warning CS0612: 'Device' is obsolete
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\AdressenListeViewModelRD.cs(159,21,159,43): warning CS0618: 'Device.RuntimePlatform' is obsolete: 'Use Microsoft.Maui.Devices.DeviceInfo.Platform instead.'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\AdressenListeViewModelRD.cs(159,47,159,53): warning CS0612: 'Device' is obsolete
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\AdressenListeViewModelRD.cs(159,47,159,57): warning CS0618: 'Device.iOS' is obsolete: 'Use Microsoft.Maui.Devices.DevicePlatform.iOS instead.'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\AdressenListeViewModelRD.cs(155,13,170,15): warning CS0618: 'Device.BeginInvokeOnMainThread(Action)' is obsolete: 'Use BindableObject.Dispatcher.Dispatch() instead.'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Generator\QR\QRCode.cs(304,31,304,35): warning CS8604: Possible null reference argument for parameter 'qr' in 'void QRCodeGenerator.ApplyMask(int[,] qr, int[,] blocked, int mask)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\AdressenListeRD.cs(44,87,44,95): warning CS8600: Converting null literal or possible null value to non-nullable type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\AdressenListeRD.cs(44,87,44,95): warning CS8602: Dereference of a possibly null reference.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\AdressenListeItemViewModelRD.cs(25,16,25,44): warning CS8618: Non-nullable field 'kurzname' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\AdressenListeItemViewModelRD.cs(25,16,25,44): warning CS8618: Non-nullable field 'kundennummer' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\AdressenListeItemViewModelRD.cs(25,16,25,44): warning CS8618: Non-nullable field 'adresseVollstaendig' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\AdressenListeItemViewModelRD.cs(25,16,25,44): warning CS8618: Non-nullable field 'baseAdresse' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\AdressenListeItemViewModelRD.cs(51,16,51,44): warning CS8618: Non-nullable field 'kurzname' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\AdressenListeItemViewModelRD.cs(51,16,51,44): warning CS8618: Non-nullable field 'kundennummer' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\AdressenListeItemViewModelRD.cs(51,16,51,44): warning CS8618: Non-nullable field 'adresseVollstaendig' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\AdressenListeItemViewModelRD.cs(51,16,51,44): warning CS8618: Non-nullable field 'baseAdresse' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\InternalTextDocumentationViewModel.cs(50,18,50,52): warning CS8618: Non-nullable property 'OpenTextPickerCommand' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\InternalTextDocumentationViewModel.cs(50,18,50,52): warning CS8618: Non-nullable event 'PropertyChanged' must contain a non-null value when exiting constructor. Consider declaring the event as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\InternalTextDocumentationViewModel.cs(50,18,50,52): warning CS8618: Non-nullable field 'jobInfo' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\InternalTextDocumentationViewModel.cs(50,18,50,52): warning CS8618: Non-nullable field 'selectedAufgabe' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\WeatherData.cs(78,39,78,43): warning CS8600: Converting null literal or possible null value to non-nullable type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\WeatherData.cs(86,35,86,86): warning CS8600: Converting null literal or possible null value to non-nullable type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\WeatherData.cs(94,20,94,31): warning CS8603: Possible null reference return.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\WeatherData.cs(20,23,20,28): warning CS8618: Non-nullable property 'Title' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\WeatherData.cs(23,22,23,27): warning CS8618: Non-nullable property 'Coord' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\WeatherData.cs(26,26,26,33): warning CS8618: Non-nullable property 'Weather' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\WeatherData.cs(29,23,29,27): warning CS8618: Non-nullable property 'Base' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\WeatherData.cs(32,21,32,25): warning CS8618: Non-nullable property 'Main' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\WeatherData.cs(38,21,38,25): warning CS8618: Non-nullable property 'Wind' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\WeatherData.cs(41,23,41,29): warning CS8618: Non-nullable property 'Clouds' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\WeatherData.cs(47,20,47,23): warning CS8618: Non-nullable property 'Sys' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\WeatherData.cs(56,35,56,45): warning CS8618: Non-nullable field 'httpClient' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\InternalTextDocumentationViewModel.cs(64,96,64,129): warning CS8604: Possible null reference argument for parameter 'bookingId' in 'Task<VorgangsBemerkung> AufgabeBemerkungDataManager.GetOrCreateAufgabeBemerkungByBookingId(string bookingId)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\WeatherData.cs(14,28,14,32): warning CS8618: Non-nullable property 'Data' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\ServiceAufgabenDetails.cs(50,68,50,72): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\ServiceAufgabenDetails.cs(42,31,42,46): warning CS8618: Non-nullable property 'SelectedAufgabe' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\ServiceAufgabenDetails.cs(43,30,43,44): warning CS8618: Non-nullable property 'SelectedAnlage' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\ServiceAufgabenDetails.cs(58,46,58,53): warning CS8618: Non-nullable field 'Current' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\ServiceAufgabenDetails.cs(60,36,60,56): warning CS8618: Non-nullable field 'handleKeyboardAction' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\ServiceAufgabenDetails.cs(61,48,61,64): warning CS8618: Non-nullable field 'anlagenViewModel' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\iOS\Legacy\CustomRenderers\CustomWebViewRenderer.cs(34,47,34,76): warning CS8600: Converting null literal or possible null value to non-nullable type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\iOS\Legacy\CustomRenderers\CustomWebViewRenderer.cs(35,17,35,30): warning CS8602: Dereference of a possibly null reference.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\iOS\Services\BackgroundService.cs(277,17,277,31): warning CS0472: The result of the expression is always 'true' since a value of type 'nint' is never equal to 'null' of type 'nint?'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\iOS\DependencyImplementation\BackgroundService_iOS.cs(95,13,95,28): warning CS0618: 'MessagingCenter' is obsolete: 'We recommend migrating to `CommunityToolkit.MVVM.WeakReferenceMessenger`: https://www.nuget.org/packages/CommunityToolkit.Mvvm'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\iOS\Services\BackgroundService.cs(313,17,313,32): warning CS0618: 'MessagingCenter' is obsolete: 'We recommend migrating to `CommunityToolkit.MVVM.WeakReferenceMessenger`: https://www.nuget.org/packages/CommunityToolkit.Mvvm'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\iOS\DependencyImplementation\BackgroundService_iOS.cs(101,13,101,28): warning CS0618: 'MessagingCenter' is obsolete: 'We recommend migrating to `CommunityToolkit.MVVM.WeakReferenceMessenger`: https://www.nuget.org/packages/CommunityToolkit.Mvvm'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\iOS\DependencyImplementation\BackgroundService_iOS.cs(113,13,113,28): warning CS0618: 'MessagingCenter' is obsolete: 'We recommend migrating to `CommunityToolkit.MVVM.WeakReferenceMessenger`: https://www.nuget.org/packages/CommunityToolkit.Mvvm'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\iOS\DependencyImplementation\BackgroundService_iOS.cs(143,13,143,28): warning CS0618: 'MessagingCenter' is obsolete: 'We recommend migrating to `CommunityToolkit.MVVM.WeakReferenceMessenger`: https://www.nuget.org/packages/CommunityToolkit.Mvvm'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\iOS\DependencyImplementation\BackgroundService_iOS.cs(149,13,149,28): warning CS0618: 'MessagingCenter' is obsolete: 'We recommend migrating to `CommunityToolkit.MVVM.WeakReferenceMessenger`: https://www.nuget.org/packages/CommunityToolkit.Mvvm'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\iOS\DependencyImplementation\BackgroundService_iOS.cs(149,110,149,114): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\iOS\DependencyImplementation\BackgroundService_iOS.cs(154,13,154,28): warning CS0618: 'MessagingCenter' is obsolete: 'We recommend migrating to `CommunityToolkit.MVVM.WeakReferenceMessenger`: https://www.nuget.org/packages/CommunityToolkit.Mvvm'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\iOS\DependencyImplementation\BackgroundService_iOS.cs(159,13,159,28): warning CS0618: 'MessagingCenter' is obsolete: 'We recommend migrating to `CommunityToolkit.MVVM.WeakReferenceMessenger`: https://www.nuget.org/packages/CommunityToolkit.Mvvm'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\iOS\DependencyImplementation\BackgroundService_iOS.cs(159,99,159,103): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\iOS\DependencyImplementation\BackgroundService_iOS.cs(164,13,164,28): warning CS0618: 'MessagingCenter' is obsolete: 'We recommend migrating to `CommunityToolkit.MVVM.WeakReferenceMessenger`: https://www.nuget.org/packages/CommunityToolkit.Mvvm'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\iOS\DependencyImplementation\BackgroundService_iOS.cs(247,37,247,52): warning SYSLIB0014: 'WebClient.WebClient()' is obsolete: 'WebRequest, HttpWebRequest, ServicePoint, and WebClient are obsolete. Use HttpClient instead.' (https://aka.ms/dotnet-warnings/SYSLIB0014)
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\iOS\DependencyImplementation\BackgroundService_iOS.cs(138,45,138,53): warning CS8618: Non-nullable property 'instance' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\InternalTextDocumentationViewModel.cs(89,89,89,107): warning CS8604: Possible null reference argument for parameter 'aufgabeId' in 'List<Aufgabe> AufgabeRepo.getAllTextDocumentationItems(string aufgabeId)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\iOS\Services\BackgroundService.cs(366,65,366,71): warning CS8604: Possible null reference argument for parameter 'collection' in 'void List<string>.AddRange(IEnumerable<string> collection)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\iOS\Services\BackgroundService.cs(409,74,409,83): warning CS8604: Possible null reference argument for parameter 'item' in 'bool List<string>.Contains(string item)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\iOS\Services\BackgroundService.cs(424,74,424,83): warning CS8604: Possible null reference argument for parameter 'item' in 'bool List<string>.Contains(string item)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\iOS\Services\BackgroundService.cs(435,55,435,59): warning CS8600: Converting null literal or possible null value to non-nullable type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\iOS\Services\BackgroundService.cs(449,45,449,49): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\iOS\Services\BackgroundService.cs(479,54,479,58): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\iOS\Services\BackgroundService.cs(497,21,497,91): warning CS8600: Converting null literal or possible null value to non-nullable type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\iOS\Services\BackgroundService.cs(500,47,500,53): warning CS8602: Dereference of a possibly null reference.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\iOS\Services\BackgroundService.cs(502,55,502,102): warning CS8600: Converting null literal or possible null value to non-nullable type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\iOS\Services\BackgroundService.cs(515,61,515,65): warning CS8600: Converting null literal or possible null value to non-nullable type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\iOS\Services\BackgroundService.cs(552,56,552,70): warning CS8604: Possible null reference argument for parameter 'g' in 'Guid.Guid(string g)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\iOS\Services\BackgroundService.cs(587,85,587,92): warning CS8604: Possible null reference argument for parameter 'businessObjectId' in 'List<EventNotification> EventNotificationRepository.GetByBusinessObjectId(string businessObjectId, DateTime? datumsfilter = null)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\iOS\Services\BackgroundService.cs(607,36,607,40): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\iOS\Services\BackgroundService.cs(616,78,616,82): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\iOS\Services\BackgroundService.cs(645,43,645,47): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\iOS\Services\BackgroundService.cs(657,37,657,107): warning CS8600: Converting null literal or possible null value to non-nullable type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\iOS\Services\BackgroundService.cs(659,55,659,66): warning CS8602: Dereference of a possibly null reference.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\iOS\Services\BackgroundService.cs(661,61,661,106): warning CS8600: Converting null literal or possible null value to non-nullable type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\iOS\Services\BackgroundService.cs(662,78,662,81): warning CS8604: Possible null reference argument for parameter 'businessObject' in 'void PropertyChangeSetRepository.Delete(PropertyChangeSet businessObject)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\iOS\Services\BackgroundService.cs(681,37,681,41): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\iOS\Services\BackgroundService.cs(688,64,688,68): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\iOS\Services\BackgroundService.cs(695,60,695,64): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\iOS\Services\BackgroundService.cs(626,29,626,61): warning CS8073: The result of the expression is always 'true' since a value of type 'DateTime' is never equal to 'null' of type 'DateTime?'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\iOS\Services\BackgroundService.cs(758,43,758,47): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\iOS\Services\BackgroundService.cs(762,45,762,49): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\iOS\Services\BackgroundService.cs(34,49,34,62): warning CS8618: Non-nullable event 'startedUpdate' must contain a non-null value when exiting constructor. Consider declaring the event as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\iOS\Services\BackgroundService.cs(35,49,35,60): warning CS8618: Non-nullable event 'endedUpdate' must contain a non-null value when exiting constructor. Consider declaring the event as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\iOS\Services\BackgroundService.cs(36,42,36,59): warning CS8618: Non-nullable event 'MobileObjectError' must contain a non-null value when exiting constructor. Consider declaring the event as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\iOS\Services\BackgroundService.cs(37,42,37,56): warning CS8618: Non-nullable event 'ExceptionEvent' must contain a non-null value when exiting constructor. Consider declaring the event as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\iOS\Services\BackgroundService.cs(38,42,38,49): warning CS8618: Non-nullable event 'Sending' must contain a non-null value when exiting constructor. Consider declaring the event as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\iOS\Services\BackgroundService.cs(39,42,39,50): warning CS8618: Non-nullable event 'Recieved' must contain a non-null value when exiting constructor. Consider declaring the event as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\iOS\Services\BackgroundService.cs(40,42,40,53): warning CS8618: Non-nullable event 'ChangesLeft' must contain a non-null value when exiting constructor. Consider declaring the event as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\iOS\Services\BackgroundService.cs(41,42,41,55): warning CS8618: Non-nullable event 'NoChangesLeft' must contain a non-null value when exiting constructor. Consider declaring the event as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\iOS\Services\BackgroundService.cs(42,42,42,60): warning CS8618: Non-nullable event 'CommunicationError' must contain a non-null value when exiting constructor. Consider declaring the event as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\iOS\Services\BackgroundService.cs(46,45,46,51): warning CS8618: Non-nullable field 'aTimer' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\InternalTextDocumentationViewModel.cs(119,90,119,124): warning CS8604: Possible null reference argument for parameter 'aufgabeId' in 'void IAnalyticsManager.TrackOrderReportTextNoteInternAdded(string aufgabeId)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Generator\QR\QRCode.cs(870,20,870,31): warning CS8602: Dereference of a possibly null reference.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Generator\QR\QRCode.cs(879,20,879,31): warning CS8604: Possible null reference argument for parameter 'source' in 'KeyValuePair<int, int> Enumerable.First<KeyValuePair<int, int>>(IEnumerable<KeyValuePair<int, int>> source, Func<KeyValuePair<int, int>, bool> predicate)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Src\Generator\QR\QRCode.cs(862,44,862,55): warning CS8618: Non-nullable field 'logG256Dict' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\iOS\DependencyImplementation\Bluetoothexample_iOS.cs(16,50,16,55): warning CS8618: Non-nullable field 'myDel' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\iOS\DependencyImplementation\Bluetoothexample_iOS.cs(17,34,17,42): warning CS8618: Non-nullable field '_manager' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\iOS\DependencyImplementation\Bluetoothexample_iOS.cs(15,37,15,53): warning CS8618: Non-nullable field 'activePeripheral' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\iOS\DependencyImplementation\Bluetoothexample_iOS.cs(120,37,120,56): warning CS8602: Dereference of a possibly null reference.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\iOS\DependencyImplementation\Bluetoothexample_iOS.cs(130,31,130,54): warning CS8602: Dereference of a possibly null reference.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\iOS\DependencyImplementation\DataAccessHelperIOS.cs(24,29,24,139): warning CS8600: Converting null literal or possible null value to non-nullable type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\iOS\DependencyImplementation\DataAccessHelperIOS.cs(32,43,32,52): warning CS8604: Possible null reference argument for parameter 'path' in 'DirectoryInfo Directory.CreateDirectory(string path)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\iOS\DependencyImplementation\DataAccessHelperIOS.cs(74,24,74,38): warning CS8603: Possible null reference return.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\iOS\DependencyImplementation\DataAccessHelperIOS.cs(96,17,96,34): warning CS8602: Dereference of a possibly null reference.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\iOS\DependencyImplementation\DataAccessHelperIOS.cs(179,27,179,40): warning CS1998: This async method lacks 'await' operators and will run synchronously. Consider using the 'await' operator to await non-blocking API calls, or 'await Task.Run(...)' to do CPU-bound work on a background thread.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\iOS\DependencyImplementation\DataAccessHelperIOS.cs(332,46,332,50): warning CS8600: Converting null literal or possible null value to non-nullable type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\iOS\DependencyImplementation\DataAccessHelperIOS.cs(341,38,341,102): warning CS8600: Converting null literal or possible null value to non-nullable type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\ArticleBookingEditContentView.xaml.cs(21,16,21,45): warning CS8618: Non-nullable field 'viewModel' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\App.xaml.cs(67,40,67,55): warning CS8618: Non-nullable property 'ServiceProvider' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\ArticleBookingEditViewModel.cs(163,16,163,43): warning CS8618: Non-nullable event 'PropertyChanged' must contain a non-null value when exiting constructor. Consider declaring the event as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\ArticleBookingEditViewModel.cs(163,16,163,43): warning CS8618: Non-nullable property 'DeleteArticleCommand' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\ArticleBookingEditViewModel.cs(163,16,163,43): warning CS8618: Non-nullable property 'OpenUnitPickerPageCommand' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\ArticleBookingEditViewModel.cs(163,16,163,43): warning CS8618: Non-nullable property 'SaveArticleChangesCommand' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\ArticleBookingEditViewModel.cs(163,16,163,43): warning CS8618: Non-nullable property 'OpenQuantityCalculatorCommand' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\ArticleBookingEditViewModel.cs(163,16,163,43): warning CS8618: Non-nullable field 'selectedArticle' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\ArticleBookingEditViewModel.cs(163,16,163,43): warning CS8618: Non-nullable field 'refreshArticleOverviewPageAction' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\ArticleBookingEditViewModel.cs(163,16,163,43): warning CS8618: Non-nullable field 'selectedAufgabe' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\ArticleBookingEditViewModel.cs(163,16,163,43): warning CS8618: Non-nullable field 'selectedArtikelMaterialAnforderung' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\ArticleBookingEditViewModel.cs(206,44,206,77): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\ArticleBookingEditViewModel.cs(264,57,264,59): warning CS1998: This async method lacks 'await' operators and will run synchronously. Consider using the 'await' operator to await non-blocking API calls, or 'await Task.Run(...)' to do CPU-bound work on a background thread.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\ArticleBookingEditViewModel.cs(282,24,282,28): warning CS8603: Possible null reference return.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\ArticleBookingEditViewModel.cs(284,45,284,49): warning CS8600: Converting null literal or possible null value to non-nullable type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\ArticleBookingEditViewModel.cs(317,23,317,29): warning CS0612: 'Device' is obsolete
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\ArticleBookingEditViewModel.cs(317,23,317,112): warning CS0618: 'Device.InvokeOnMainThreadAsync(Func<Task>)' is obsolete: 'Use BindableObject.Dispatcher.DispatchAsync() instead.'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\ArticleBookingEditViewModel.cs(317,106,317,110): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\ArticleBookingEditViewModel.cs(399,19,399,25): warning CS0612: 'Device' is obsolete
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\ArticleBookingEditViewModel.cs(399,19,399,152): warning CS0618: 'Device.InvokeOnMainThreadAsync(Func<Task>)' is obsolete: 'Use BindableObject.Dispatcher.DispatchAsync() instead.'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\ArticleBookingEditViewModel.cs(434,19,434,25): warning CS0612: 'Device' is obsolete
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\ArticleBookingEditViewModel.cs(434,19,434,108): warning CS0618: 'Device.InvokeOnMainThreadAsync(Func<Task>)' is obsolete: 'Use BindableObject.Dispatcher.DispatchAsync() instead.'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\ArticleBookingEditViewModel.cs(410,87,410,91): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\ArticleBookingEditViewModel.cs(434,102,434,106): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\ArticleBookingEditViewModel.cs(453,19,453,25): warning CS0612: 'Device' is obsolete
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\ArticleBookingEditViewModel.cs(453,19,454,60): warning CS0618: 'Device.InvokeOnMainThreadAsync(Func<Task>)' is obsolete: 'Use BindableObject.Dispatcher.DispatchAsync() instead.'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\ArticleBookingOverviewContentView.xaml.cs(14,58,14,87): warning CS8603: Possible null reference return.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\ArticleBookingEditViewModel.cs(502,27,502,39): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\ArticleBookingOverviewViewModel.cs(52,16,52,47): warning CS8618: Non-nullable field 'bookedArticleCollection' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\ArticleBookingOverviewViewModel.cs(52,16,52,47): warning CS8618: Non-nullable field 'refreshTitleBar' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\ArticleBookingOverviewViewModel.cs(83,71,83,109): warning CS8604: Possible null reference argument for parameter 'aufgabeBuchungsId' in 'List<ArtikelBuchung> ArtikelbuchungRepository.GetArtikelbuchungenFromAufgabe(string aufgabeBuchungsId, bool? istUnterschrieben = null, Anlage filterAnlage = null)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\ArticleBookingSelectionCatalogDataTemplateSelector.cs(5,29,5,44): warning CS8618: Non-nullable property 'CatalogTemplate' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\ArticleBookingSelectionCatalogDataTemplateSelector.cs(6,29,6,51): warning CS8618: Non-nullable property 'ManageCatalogsTemplate' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\ArticleBookingOverviewViewModel.cs(140,19,140,25): warning CS0612: 'Device' is obsolete
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\ArticleBookingOverviewViewModel.cs(140,19,140,109): warning CS0618: 'Device.InvokeOnMainThreadAsync(Func<Task>)' is obsolete: 'Use BindableObject.Dispatcher.DispatchAsync() instead.'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\ArticleBookingOverviewViewModel.cs(147,19,147,25): warning CS0612: 'Device' is obsolete
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\ArticleBookingOverviewViewModel.cs(147,19,147,109): warning CS0618: 'Device.InvokeOnMainThreadAsync(Func<Task>)' is obsolete: 'Use BindableObject.Dispatcher.DispatchAsync() instead.'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Res\ImgRes\ImgRes.cs(11,122,11,164): warning CS8603: Possible null reference return.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\AppSrc\Res\ImgRes\ImgRes.cs(28,71,28,144): warning CS8603: Possible null reference return.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\ArticleBookingOverviewViewModel.cs(210,23,210,29): warning CS0612: 'Device' is obsolete
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\ArticleBookingOverviewViewModel.cs(219,35,219,41): warning CS0612: 'Device' is obsolete
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\ArticleBookingOverviewViewModel.cs(219,35,220,80): warning CS0618: 'Device.InvokeOnMainThreadAsync(Func<Task>)' is obsolete: 'Use BindableObject.Dispatcher.DispatchAsync() instead.'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\ArticleBookingOverviewViewModel.cs(210,23,223,19): warning CS0618: 'Device.InvokeOnMainThreadAsync(Func<Task>)' is obsolete: 'Use BindableObject.Dispatcher.DispatchAsync() instead.'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\ArticleBookingOverviewViewModel.cs(233,23,233,29): warning CS0612: 'Device' is obsolete
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\ArticleBookingOverviewViewModel.cs(233,23,234,68): warning CS0618: 'Device.InvokeOnMainThreadAsync(Func<Task>)' is obsolete: 'Use BindableObject.Dispatcher.DispatchAsync() instead.'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\ArticleBookingOverviewViewModel.cs(261,31,261,37): warning CS0612: 'Device' is obsolete
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\ArticleBookingOverviewViewModel.cs(261,31,262,82): warning CS0618: 'Device.InvokeOnMainThreadAsync(Func<Task>)' is obsolete: 'Use BindableObject.Dispatcher.DispatchAsync() instead.'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\ArticleBookingOverviewViewModel.cs(236,81,236,115): warning CS8604: Possible null reference argument for parameter 'aufgabeId' in 'void IAnalyticsManager.TrackOrderArticleAdded(string aufgabeId, ArticleSourceType artikelSourceType, ArticleCatalogType? artikelKatalogType = null)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\ArticleBookingOverviewViewModel.cs(222,69,222,71): warning CS1998: This async method lacks 'await' operators and will run synchronously. Consider using the 'await' operator to await non-blocking API calls, or 'await Task.Run(...)' to do CPU-bound work on a background thread.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\ArticleBookingOverviewViewModel.cs(264,65,264,67): warning CS1998: This async method lacks 'await' operators and will run synchronously. Consider using the 'await' operator to await non-blocking API calls, or 'await Task.Run(...)' to do CPU-bound work on a background thread.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\ArticleBookingOverviewViewModel.cs(296,38,296,71): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\ArticleBookingOverviewViewModel.cs(340,27,340,33): warning CS0612: 'Device' is obsolete
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\ArticleBookingOverviewViewModel.cs(340,27,340,101): warning CS0618: 'Device.BeginInvokeOnMainThread(Action)' is obsolete: 'Use BindableObject.Dispatcher.Dispatch() instead.'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\ArticleBookingOverviewViewModel.cs(354,108,354,112): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\ArticleBookingSelectionFromCatalogContentView.xaml.cs(13,43,13,69): warning CS8622: Nullability of reference types in type of parameter 'sender' of 'void ArticleBookingSelectionFromCatalogContentView.BackButton_PropertyChanged(object sender, PropertyChangedEventArgs e)' doesn't match the target delegate 'PropertyChangedEventHandler' (possibly because of nullability attributes).
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\ArticleBookingSelectionFromCatalogOverviewViewModel.cs(61,71,61,75): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\ArticleBookingSelectionFromCatalogOverviewViewModel.cs(61,77,61,81): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\ArticleBookingSelectionFromCatalogOverviewViewModel.cs(61,83,61,87): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\ArticleBookingSelectionFromCatalogViewModel.cs(42,49,42,72): warning CS8604: Possible null reference argument for parameter 'katalogid' in 'ArtikelRepository.ArtikelRepository(string katalogid)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\ArticleBookingSelectionFromCatalogViewModel.cs(34,16,34,59): warning CS8618: Non-nullable field 'navTitle' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\ArticleBookingSelectionFromCatalogViewModel.cs(34,16,34,59): warning CS8618: Non-nullable field 'navBack' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\ArticleBookingSelectionFromCatalogViewModel.cs(217,23,217,29): warning CS0612: 'Device' is obsolete
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\ArticleBookingSelectionFromCatalogViewModel.cs(217,23,217,131): warning CS0618: 'Device.InvokeOnMainThreadAsync(Action)' is obsolete: 'Use BindableObject.Dispatcher.DispatchAsync() instead.'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\ArticleBookingSelectionFromCatalogViewModel.cs(233,23,233,29): warning CS0612: 'Device' is obsolete
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\ArticleBookingSelectionFromCatalogViewModel.cs(233,23,233,131): warning CS0618: 'Device.InvokeOnMainThreadAsync(Action)' is obsolete: 'Use BindableObject.Dispatcher.DispatchAsync() instead.'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\ArticleBookingSelectionFromCatalogViewModel.cs(241,28,241,60): warning CS1998: This async method lacks 'await' operators and will run synchronously. Consider using the 'await' operator to await non-blocking API calls, or 'await Task.Run(...)' to do CPU-bound work on a background thread.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\ArticleBookingSelectionFromCatalogViewModel.cs(260,20,260,24): warning CS8603: Possible null reference return.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\iOS\DependencyImplementation\Audio_iOS.cs(13,29,13,33): warning CS8600: Converting null literal or possible null value to non-nullable type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\iOS\DependencyImplementation\Audio_iOS.cs(18,45,18,48): warning CS8604: Possible null reference argument for parameter 'url' in 'AVAudioPlayer? AVAudioPlayer.FromUrl(NSUrl url)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\iOS\DependencyImplementation\Audio_iOS.cs(18,23,18,49): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\iOS\DependencyImplementation\Audio_iOS.cs(19,13,19,20): warning CS8602: Dereference of a possibly null reference.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\iOS\DependencyImplementation\Audio_iOS.cs(23,27,23,31): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\iOS\DependencyImplementation\Audio_iOS.cs(21,40,21,79): warning CS8622: Nullability of reference types in type of parameter 'sender' of 'lambda expression' doesn't match the target delegate 'EventHandler<AVStatusEventArgs>' (possibly because of nullability attributes).
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\iOS\DependencyImplementation\Audio_iOS.cs(9,23,9,30): warning CS8618: Non-nullable field '_player' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\ArticleBookingSelectionFromItemsContentView.xaml.cs(18,16,18,59): warning CS8618: Non-nullable field 'aufgabe' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\ArticleBookingSelectionFromItemsContentView.xaml.cs(18,16,18,59): warning CS8618: Non-nullable field 'viewModel' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\ArticleBookingSelectionFromItemsViewModel.cs(43,16,43,57): warning CS8618: Non-nullable property 'SwitchToHierarchyViewCommand' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\ArticleBookingSelectionFromItemsViewModel.cs(43,16,43,57): warning CS8618: Non-nullable field 'childList' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\ArticleBookingSelectionFromItemsViewModel.cs(43,16,43,57): warning CS8618: Non-nullable field 'allSelectableArticles' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\ArticleBookingSelectionFromItemsViewModel.cs(43,16,43,57): warning CS8618: Non-nullable field 'allSelectableArticlesWithoutTexts' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\ArticleBookingSelectionFromItemsViewModel.cs(43,16,43,57): warning CS8618: Non-nullable field 'contentView' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\ArticleBookingSelectionFromItemsViewModel.cs(43,16,43,57): warning CS8618: Non-nullable field 'bufferedView' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\ArticleBookingSelectionFromItemsViewModel.cs(43,16,43,57): warning CS8618: Non-nullable field 'allFilteredArticles' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\ArticleBookingSelectionFromItemsViewModel.cs(54,29,54,39): warning CS1998: This async method lacks 'await' operators and will run synchronously. Consider using the 'await' operator to await non-blocking API calls, or 'await Task.Run(...)' to do CPU-bound work on a background thread.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\ArticleBookingSelectionFromItemsViewModel.cs(116,76,116,94): warning CS8604: Possible null reference argument for parameter 'aufgabeListId' in 'int AufgabeListeRepository.GibPositionenCount(string aufgabeListId)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\ArticleBookingSelectionFromItemsViewModel.cs(120,71,120,89): warning CS8604: Possible null reference argument for parameter 'aufgabeId' in 'int AufgabeRepository.GibPositionenCount(string aufgabeId)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\ArticleBookingSelectionFromItemsViewModel.cs(124,67,124,85): warning CS8604: Possible null reference argument for parameter 'rootId' in 'Task<List<SelectableArticleViewModel>> ArticleBookingSelectionFromItemsViewModel.CreateArticleListFromItemArticles(string rootId, Aufgabe selectedAufgabe, int count)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\ArticleBookingSelectionFromItemsViewModel.cs(180,19,180,25): warning CS0612: 'Device' is obsolete
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\ArticleBookingSelectionFromItemsViewModel.cs(180,19,180,92): warning CS0618: 'Device.InvokeOnMainThreadAsync(Action)' is obsolete: 'Use BindableObject.Dispatcher.DispatchAsync() instead.'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\ArticleBookingSelectionFromItemsViewModel.cs(222,27,222,33): warning CS0612: 'Device' is obsolete
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\ArticleBookingSelectionFromItemsViewModel.cs(222,27,222,146): warning CS0618: 'Device.InvokeOnMainThreadAsync(Action)' is obsolete: 'Use BindableObject.Dispatcher.DispatchAsync() instead.'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\ArticleBookingSelectionFromItemsViewModel.cs(228,27,228,33): warning CS0612: 'Device' is obsolete
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\ArticleBookingSelectionFromItemsViewModel.cs(228,27,228,122): warning CS0618: 'Device.InvokeOnMainThreadAsync(Action)' is obsolete: 'Use BindableObject.Dispatcher.DispatchAsync() instead.'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\ArticleBookingSelectionFromItemsViewModel.cs(253,65,253,69): warning CS8604: Possible null reference argument for parameter 'id' in 'Task<ArbeitspaketData> DbArbeitspaketData.GetById(string id)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\ArticleBookingSelectionFromItemsViewModel.cs(254,42,254,71): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\ArticleBookingSelectionFromItemsViewModel.cs(299,71,299,96): warning CS8604: Possible null reference argument for parameter 'aufgabeListId' in 'List<AufgabeList> AufgabeListeRepository.GibPositionen(string aufgabeListId)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\ArticleBookingSelectionFromItemsViewModel.cs(303,66,303,91): warning CS8604: Possible null reference argument for parameter 'aufgabeListId' in 'List<Aufgabe> AufgabeRepository.GibPositionen(string aufgabeListId)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\ArticleBookingSelectionFromItemsViewModel.cs(372,35,372,158): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\ArticleBookingSelectionFromItemsViewModel.cs(339,57,339,108): warning CS8602: Dereference of a possibly null reference.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\ArticleBookingSelectionFromItemsViewModel.cs(356,32,356,36): warning CS8603: Possible null reference return.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\ArticleBookingSelectionFromItemsViewModel.cs(401,23,401,29): warning CS0612: 'Device' is obsolete
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\ArticleBookingSelectionFromItemsViewModel.cs(401,23,405,19): warning CS0618: 'Device.InvokeOnMainThreadAsync(Action)' is obsolete: 'Use BindableObject.Dispatcher.DispatchAsync() instead.'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\ArticleBookingSelectionFromItemsViewModel.cs(414,23,414,29): warning CS0612: 'Device' is obsolete
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\ArticleBookingSelectionFromItemsViewModel.cs(414,23,419,19): warning CS0618: 'Device.InvokeOnMainThreadAsync(Action)' is obsolete: 'Use BindableObject.Dispatcher.DispatchAsync() instead.'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\iOS\DependencyImplementation\IUtility_IOS.cs(18,29,18,58): warning CS8600: Converting null literal or possible null value to non-nullable type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\iOS\DependencyImplementation\IUtility_IOS.cs(19,38,19,43): warning CS8604: Possible null reference argument for parameter 'bitmap' in 'byte[] IUtility_IOS.ExportBitmapAsPNG(UIImage bitmap, bool thumbNail)'.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\iOS\Legacy\CustomRenderers\CustomViewRenderer.cs(19,20,19,25): warning CS8603: Possible null reference return.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\PhoneCard.cs(26,136,26,163): warning CS0618: 'LayoutOptions.FillAndExpand' is obsolete: 'The StackLayout expansion options are deprecated; please use a Grid instead.'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\iOS\DependencyImplementation\IUtility_IOS.cs(25,31,25,35): warning CS8600: Converting null literal or possible null value to non-nullable type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\PhoneCard.cs(80,45,80,72): warning CS0618: 'LayoutOptions.FillAndExpand' is obsolete: 'The StackLayout expansion options are deprecated; please use a Grid instead.'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\PhoneCard.cs(81,43,81,70): warning CS0618: 'LayoutOptions.FillAndExpand' is obsolete: 'The StackLayout expansion options are deprecated; please use a Grid instead.'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\PhoneCard.cs(89,51,89,78): warning CS0618: 'LayoutOptions.FillAndExpand' is obsolete: 'The StackLayout expansion options are deprecated; please use a Grid instead.'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\PhoneCard.cs(123,118,123,145): warning CS0618: 'LayoutOptions.FillAndExpand' is obsolete: 'The StackLayout expansion options are deprecated; please use a Grid instead.'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\PhoneCard.cs(59,20,59,29): warning CS8618: Non-nullable field 'phone' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\iOS\DependencyImplementation\IUtility_IOS.cs(76,50,76,79): warning CS8622: Nullability of reference types in type of parameter 'sender' of 'void IUtility_IOS.LocMgr_DidChangeAuthorization(object sender, EventArgs e)' doesn't match the target delegate 'EventHandler' (possibly because of nullability attributes).
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\iOS\DependencyImplementation\IUtility_IOS.cs(77,48,77,101): warning CS8622: Nullability of reference types in type of parameter 'sender' of 'lambda expression' doesn't match the target delegate 'EventHandler<CLAuthorizationChangedEventArgs>' (possibly because of nullability attributes).
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\iOS\DependencyImplementation\IUtility_IOS.cs(68,43,68,79): warning CS8618: Non-nullable property 'PermissionResultTaskCompletionSource' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\iOS\Legacy\CustomRenderers\CustomImageRenderer.cs(53,50,53,89): warning CS0618: 'CompatibilityColorExtensions.ToUIColor(Color)' is obsolete: 'Use the Color.ToPlatform extension method instead'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\iOS\Legacy\CustomRenderers\CustomImageRenderer.cs(58,50,58,91): warning CS0618: 'CompatibilityColorExtensions.ToUIColor(Color)' is obsolete: 'Use the Color.ToPlatform extension method instead'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\iOS\Legacy\CustomRenderers\CustomImageRenderer.cs(63,50,63,116): warning CS0618: 'CompatibilityColorExtensions.ToUIColor(Color)' is obsolete: 'Use the Color.ToPlatform extension method instead'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\iOS\Legacy\CustomRenderers\CustomImageRenderer.cs(68,50,68,79): warning CS0618: 'CompatibilityColorExtensions.ToUIColor(Color)' is obsolete: 'Use the Color.ToPlatform extension method instead'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\iOS\DependencyImplementation\Firebase_IOS.cs(93,16,93,34): warning CS8618: Non-nullable field 'firebaseToken' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\iOS\DependencyImplementation\Firebase_IOS.cs(93,16,93,34): warning CS8618: Non-nullable event 'OnTokenRefresh' must contain a non-null value when exiting constructor. Consider declaring the event as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\iOS\DependencyImplementation\Firebase_IOS.cs(93,16,93,34): warning CS8618: Non-nullable event 'OnMessageReceived' must contain a non-null value when exiting constructor. Consider declaring the event as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\SyncRequestWrapper.cs(38,21,38,27): warning CS0162: Unreachable code detected
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\SyncRequestWrapper.cs(40,21,40,27): warning CS0162: Unreachable code detected
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\SyncRequestWrapper.cs(42,21,42,24): warning CS0162: Unreachable code detected
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\iOS\DependencyImplementation\Firebase_IOS.cs(191,62,191,90): warning CS8602: Dereference of a possibly null reference.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\iOS\Legacy\CustomRenderers\ColoredProgressBarRenderer.cs(50,37,50,65): warning CS0618: 'CompatibilityColorExtensions.ToUIColor(Color)' is obsolete: 'Use the Color.ToPlatform extension method instead'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\iOS\Legacy\CustomRenderers\ColoredProgressBarRenderer.cs(51,42,51,70): warning CS0618: 'CompatibilityColorExtensions.ToUIColor(Color)' is obsolete: 'Use the Color.ToPlatform extension method instead'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\iOS\Legacy\CustomRenderers\ColoredProgressBarRenderer.cs(52,45,52,73): warning CS0618: 'CompatibilityColorExtensions.ToUIColor(Color)' is obsolete: 'Use the Color.ToPlatform extension method instead'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\iOS\DependencyImplementation\Firebase_IOS.cs(77,43,77,51): warning CS8618: Non-nullable field 'instance' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\PermissionRequestHelper.cs(62,23,62,29): warning CS0612: 'Device' is obsolete
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\PermissionRequestHelper.cs(64,21,64,78): warning CS4014: Because this call is not awaited, execution of the current method continues before the call is completed. Consider applying the 'await' operator to the result of the call.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\PermissionRequestHelper.cs(62,23,69,19): warning CS0618: 'Device.InvokeOnMainThreadAsync(Func<Task>)' is obsolete: 'Use BindableObject.Dispatcher.DispatchAsync() instead.'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\PermissionRequestHelper.cs(73,23,73,29): warning CS0612: 'Device' is obsolete
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\PermissionRequestHelper.cs(73,23,77,19): warning CS0618: 'Device.InvokeOnMainThreadAsync(Func<Task>)' is obsolete: 'Use BindableObject.Dispatcher.DispatchAsync() instead.'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\iOS\DependencyImplementation\NotificationDependencyI.cs(16,90,16,94): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\iOS\DependencyImplementation\Firebase_IOS.cs(15,51,15,96): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\ArticleBookingSelectionFromMaterialRequestContentView.xaml.cs(18,17,18,70): warning CS8618: Non-nullable field 'viewModel' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\iOS\DependencyImplementation\NotificationDependencyI.cs(22,112,22,116): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\iOS\DependencyImplementation\NotificationDependencyI.cs(28,41,28,45): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\iOS\DependencyImplementation\NotificationDependencyI.cs(33,41,33,45): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\ArticleBookingSelectionFromMaterialRequestOverviewContentView.xaml.cs(15,17,15,78): warning CS8618: Non-nullable field 'viewModel' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\PermissionRequestHelper.cs(93,23,93,29): warning CS0612: 'Device' is obsolete
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\PermissionRequestHelper.cs(95,21,95,75): warning CS4014: Because this call is not awaited, execution of the current method continues before the call is completed. Consider applying the 'await' operator to the result of the call.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\PermissionRequestHelper.cs(93,23,100,19): warning CS0618: 'Device.InvokeOnMainThreadAsync(Func<Task>)' is obsolete: 'Use BindableObject.Dispatcher.DispatchAsync() instead.'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\PermissionRequestHelper.cs(104,23,104,29): warning CS0612: 'Device' is obsolete
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\PermissionRequestHelper.cs(108,25,108,103): warning CS4014: Because this call is not awaited, execution of the current method continues before the call is completed. Consider applying the 'await' operator to the result of the call.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\PermissionRequestHelper.cs(104,23,112,19): warning CS0618: 'Device.InvokeOnMainThreadAsync(Func<Task>)' is obsolete: 'Use BindableObject.Dispatcher.DispatchAsync() instead.'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\iOS\DependencyImplementation\NotificationDependencyI.cs(40,44,40,48): warning CS8625: Cannot convert null literal to non-nullable reference type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\ArticleBookingSelectionFromMaterialRequestOverviewViewModel.cs(23,18,23,77): warning CS8618: Non-nullable field 'onSaveArticlesAction' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\ArticleBookingSelectionFromMaterialRequestOverviewViewModel.cs(23,18,23,77): warning CS8618: Non-nullable field 'selectedAufgabe' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\ArticleBookingSelectionFromMaterialRequestOverviewViewModel.cs(50,19,50,25): warning CS0612: 'Device' is obsolete
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\ArticleBookingSelectionFromMaterialRequestOverviewViewModel.cs(50,19,50,109): warning CS0618: 'Device.InvokeOnMainThreadAsync(Action)' is obsolete: 'Use BindableObject.Dispatcher.DispatchAsync() instead.'
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\RemainAfterPurge\NullToBoolConverter.cs(28,34,28,49): warning CS8600: Converting null literal or possible null value to non-nullable type.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\Platforms\iOS\DependencyImplementation\AttachmentDependency.cs(14,20,14,40): warning CS8603: Possible null reference return.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\ArticleBookingSelectionFromMaterialRequestViewModel.cs(15,16,15,67): warning CS8618: Non-nullable field 'materialRequest' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\ArticleBookingSelectionFromMaterialRequestViewModel.cs(15,16,15,67): warning CS8618: Non-nullable field 'allSelectableArticles' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\ArticleBookingSelectionFromMaterialRequestOverviewViewModel.cs(68,54,68,143): warning CS8601: Possible null reference assignment.
4>C:\dev-msoft\git\Time4App.Maui\Time4App\_LegacyCode\OldSrcNamespace\ArticleBooking
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