Skip to content

Instantly share code, notes, and snippets.

Embed
What would you like to do?
System.InvalidOperationException: The underlying Task is already in one of the three final states: RanToCompletion, Faulted, or Canceled.
at System.Threading.Tasks.TaskCompletionSource`1[System.Boolean].ThrowInvalidException () [0x00000] in /Developer/MonoTouch/Source/mono/mcs/class/corlib/System.Threading.Tasks/TaskCompletionSource.cs:91
at System.Threading.Tasks.TaskCompletionSource`1[System.Boolean].SetResult (Boolean result) [0x0000c] in /Developer/MonoTouch/Source/mono/mcs/class/corlib/System.Threading.Tasks/TaskCompletionSource.cs:86
at Xamarin.Forms.Platform.iOS.NavigationRenderer+<>c__DisplayClass18.<GetAppearedOrDisappearedTask>b__16 (System.Object s, System.EventArgs e) [0x00000] in <filename unknown>:0
at at (wrapper delegate-invoke) <Module>:invoke_void_object_EventArgs (object,System.EventArgs)
at Xamarin.Forms.Page.SendAppearing () [0x00000] in <filename unknown>:0
at Xamarin.Forms.Platform.iOS.PageRenderer.ViewDidAppear (Boolean animated) [0x00000] in <filename unknown>:0
at at (wrapper managed-to-native) MonoTouch.UIKit.UIApplication:UIApplicationMain (int,string[],intptr,intptr)
at MonoTouch.UIKit.UIApplication.Main (System.String[] args, IntPtr principal, IntPtr delegate) [0x00005] in /Developer/MonoTouch/Source/monotouch/src/UIKit/UIApplication.cs:62
at MonoTouch.UIKit.UIApplication.Main (System.String[] args, System.String principalClassName, System.String delegateClassName) [0x00038] in /Developer/MonoTouch/Source/monotouch/src/UIKit/UIApplication.cs:46
at Bug_23560.iOS.Application.Main (System.String[] args) [0x00008] in /Users/MM/Projects/Bug_23560/iOS/Main.cs:17
Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment
You can’t perform that action at this time.