XamlParseException call stack

XamlParseException.txt

Message: XamlParseException: Document belongs to another FlowDocumentScrollViewer already. in System.Windows.FrameworkTemplate.LoadTemplateXaml(XamlReader templateReader, XamlObjectWriter currentWriter) ArgumentException: Document belongs to another FlowDocumentScrollViewer already. in System.Windows.Controls.FlowDocumentScrollViewer.DocumentChanged(FlowDocument oldDocument, FlowDocument newDocument)
    System.Windows.FrameworkTemplate.LoadTemplateXaml(XamlReader templateReader, XamlObjectWriter currentWriter):540
    System.Windows.FrameworkTemplate.LoadTemplateXaml(XamlObjectWriter objectWriter):41
    System.Windows.FrameworkTemplate.LoadOptimizedTemplateContent(DependencyObject container, IComponentConnector componentConnector, IStyleConnector styleConnector, List`1 affectedChildren, UncommonField`1 templatedNonFeChildrenField):271
    System.Windows.FrameworkTemplate.LoadContent(DependencyObject container, List`1 affectedChildren):42
    System.Windows.StyleHelper.ApplyTemplateContent(UncommonField`1 dataField, DependencyObject container, FrameworkElementFactory templateRoot, Int32 lastChildIndex, HybridDictionary childIndexFromChildID, FrameworkTemplate frameworkTemplate):293
    System.Windows.FrameworkTemplate.ApplyTemplateContent(UncommonField`1 templateDataField, FrameworkElement container):57
    System.Windows.FrameworkElement.ApplyTemplate():36
    System.Windows.FrameworkElement.MeasureCore(Size availableSize):42
    System.Windows.UIElement.Measure(Size availableSize):408
    System.Windows.Controls.Control.MeasureOverride(Size constraint):34
    System.Windows.FrameworkElement.MeasureCore(Size availableSize):436
    System.Windows.UIElement.Measure(Size availableSize):408
    System.Windows.ContextLayoutManager.UpdateLayout():498
    System.Windows.ContextLayoutManager.UpdateLayoutCallback(Object arg):16
    System.Windows.Media.MediaContext.FireInvokeOnRenderCallbacks():69
    System.Windows.Media.MediaContext.RenderMessageHandlerCore(Object resizedCompositionTarget):98
    System.Windows.Media.MediaContext.RenderMessageHandler(Object resizedCompositionTarget):53
    System.Windows.Threading.ExceptionWrapper.InternalRealCall(Delegate callback, Object args, Int32 numArgs):123
    MS.Internal.Threading.ExceptionFilterHelper.TryCatchWhen(Object source, Delegate method, Object args, Int32 numArgs, Delegate catchHandler):17
    System.Windows.Threading.DispatcherOperation.InvokeImpl():158
    System.Threading.ExecutionContext.RunInternal(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx):112
    System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx):4
    System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state):47
    System.Windows.Threading.DispatcherOperation.Invoke():32
    System.Windows.Threading.Dispatcher.ProcessQueue():240
    System.Windows.Threading.Dispatcher.WndProcHook(IntPtr hwnd, Int32 msg, IntPtr wParam, IntPtr lParam, Boolean& handled):69
    MS.Win32.HwndWrapper.WndProc(IntPtr hwnd, Int32 msg, IntPtr wParam, IntPtr lParam, Boolean& handled):49
    MS.Win32.HwndSubclass.DispatcherCallbackOperation(Object o):91
    System.Windows.Threading.ExceptionWrapper.InternalRealCall(Delegate callback, Object args, Int32 numArgs):123
    MS.Internal.Threading.ExceptionFilterHelper.TryCatchWhen(Object source, Delegate method, Object args, Int32 numArgs, Delegate catchHandler):17
    System.Windows.Threading.Dispatcher.LegacyInvokeImpl(DispatcherPriority priority, TimeSpan timeout, Delegate method, Object args, Int32 numArgs):206
    MS.Win32.HwndSubclass.SubclassWndProc(IntPtr hwnd, Int32 msg, IntPtr wParam, IntPtr lParam):297
    MS.Win32.UnsafeNativeMethods.DispatchMessage(MSG& msg):-1
    System.Windows.Threading.Dispatcher.PushFrameImpl(DispatcherFrame frame):72
    System.Windows.Application.RunInternal(Window window):240
    System.Windows.Application.Run():7
    LDLS4.OurApp.InitializeAndRun(ReadOnlyCollection`1 listArgs, SingleInstanceManager sim):239
    LDLS4.OurApp.Main(String[] astrArgs):440