gistfile1.txt

System.InvalidOperationException: Sequence contains no elements
  at System.Linq.Enumerable.Last[UIViewController] (IEnumerable`1 source) [0x0001e] in ///Library/Frameworks/Xamarin.iOS.framework/Versions/8.6.2.22/src/mono/mcs/class/System.Core/System.Linq/Enumerable.cs:1216
  at Xamarin.Forms.Platform.iOS.NavigationRenderer.<.ctor>b__0 (Xamarin.Forms.Platform.iOS.TabletMasterDetailRenderer sender) [0x00000] in <filename unknown>:0
  at Xamarin.Forms.MessagingCenter+<>c__DisplayClass4`1[Xamarin.Forms.Platform.iOS.TabletMasterDetailRenderer].<Subscribe>b__3 (System.Object sender, System.Object args) [0x00000] in <filename unknown>:0
  at Xamarin.Forms.MessagingCenter.InnerSend (System.String message, System.Type senderType, System.Type argType, System.Object sender, System.Object args) [0x00000] in <filename unknown>:0
  at Xamarin.Forms.MessagingCenter.Send[TabletMasterDetailRenderer] (Xamarin.Forms.Platform.iOS.TabletMasterDetailRenderer sender, System.String message) [0x00000] in <filename unknown>:0
  at Xamarin.Forms.Platform.iOS.TabletMasterDetailRenderer.HandlePropertyChanged (System.Object sender, System.ComponentModel.PropertyChangedEventArgs e) [0x00000] in <filename unknown>:0
  at at (wrapper delegate-invoke) <Module>:invoke_void_object_PropertyChangedEventArgs (object,System.ComponentModel.PropertyChangedEventArgs)
  at Xamarin.Forms.BindableObject.OnPropertyChanged (System.String propertyName) [0x00000] in <filename unknown>:0
  at Xamarin.Forms.BindableObject.SetValueActual (Xamarin.Forms.BindableProperty property, Xamarin.Forms.BindablePropertyContext context, System.Object value, Boolean currentlyApplying, SetValueFlags attributes, Boolean silent) [0x00000] in <filename unknown>:0
  at Xamarin.Forms.BindableObject.SetValueCore (Xamarin.Forms.BindableProperty property, System.Object value, SetValueFlags attributes, SetValuePrivateFlags privateAttributes) [0x00000] in <filename unknown>:0
  at Xamarin.Forms.BindableObject.SetValue (Xamarin.Forms.BindableProperty property, System.Object value, Boolean fromStyle, Boolean checkAccess) [0x00000] in <filename unknown>:0
  at Xamarin.Forms.BindableObject.SetValue (Xamarin.Forms.BindableProperty property, System.Object value) [0x00000] in <filename unknown>:0
  at Xamarin.Forms.Platform.iOS.Platform.SetRenderer (Xamarin.Forms.BindableObject bindable, IVisualElementRenderer value) [0x00000] in <filename unknown>:0
  at Xamarin.Forms.Platform.iOS.TabbedRenderer.SetupPage (Xamarin.Forms.Page page, Int32 index) [0x00000] in <filename unknown>:0
  at Xamarin.Forms.Platform.iOS.TabbedRenderer.Reset () [0x00000] in <filename unknown>:0
  at Xamarin.Forms.NotifyCollectionChangedEventArgsExtensions.Apply (System.Collections.Specialized.NotifyCollectionChangedEventArgs self, System.Action`3 insert, System.Action`2 removeAt, System.Action reset) [0x00000] in <filename unknown>:0
  at Xamarin.Forms.Platform.iOS.TabbedRenderer.OnPagesChanged (System.Object sender, System.Collections.Specialized.NotifyCollectionChangedEventArgs e) [0x00000] in <filename unknown>:0
  at Xamarin.Forms.Platform.iOS.TabbedRenderer.SetElement (Xamarin.Forms.VisualElement element) [0x00000] in <filename unknown>:0
  at Xamarin.Forms.Platform.iOS.RendererFactory.GetRenderer (Xamarin.Forms.VisualElement view) [0x00000] in <filename unknown>:0
  at Xamarin.Forms.Platform.iOS.NavigationRenderer.CreateViewControllerForPage (Xamarin.Forms.Page page) [0x00000] in <filename unknown>:0
  at Xamarin.Forms.Platform.iOS.NavigationRenderer+<OnPushAsync>d__19.MoveNext () [0x00000] in <filename unknown>:0
  at --- End of stack trace from previous location where exception was thrown ---
  at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw () [0x0000b] in /Developer/MonoTouch/Source/mono/mcs/class/corlib/System.Runtime.ExceptionServices/ExceptionDispatchInfo.cs:62
  at System.Runtime.CompilerServices.TaskAwaiter`1[System.Boolean].GetResult () [0x00034] in /Developer/MonoTouch/Source/mono/mcs/class/corlib/System.Runtime.CompilerServices/TaskAwaiter_T.cs:59
  at Xamarin.Forms.Platform.iOS.NavigationRenderer+<<ViewDidLoad>b__3>d__4.MoveNext () [0x00000] in <filename unknown>:0