App crashes on Xamarin 4.0 and Telerik 2019.2.513.1 and previous

2 posts, 0 answers
  1. Brian
    Brian avatar
    12 posts
    Member since:
    Apr 2018

    Posted 25 May Link to this post

    I've got two segmented controls.   One crashes when I leave the page and one crashes as I enter the page.  I had the previous version of 2019.2.513.1 and loaded the latest with the same result.

    Im using Xamarin.Forms 4.0.0.425677

     

     

     

     

    Launched application 'com.catchstat.catchstatDev' on 'iPhone Xs' with pid 1574
    2019-05-25 15:05:02.672 CatchStat.iOS[1574:550853] Xamarin.iOS: Successfully received USB connection from the IDE on port 10000, fd: 6
    2019-05-25 15:05:02.673 CatchStat.iOS[1574:550853] Xamarin.iOS: Processing: 'start profiler: no'
    2019-05-25 15:05:02.673 CatchStat.iOS[1574:550827] Xamarin.iOS: Profiler not loaded (disabled)
    Loaded assembly: /private/var/containers/Bundle/Application/E9F3C2E7-0644-4779-A17B-FFC883A8496A/CatchStat.iOS.app/Mono.Security.dll [External]
    Loaded assembly: /private/var/containers/Bundle/Application/E9F3C2E7-0644-4779-A17B-FFC883A8496A/CatchStat.iOS.app/System.Core.dll [External]
    Loaded assembly: /private/var/containers/Bundle/Application/E9F3C2E7-0644-4779-A17B-FFC883A8496A/CatchStat.iOS.app/System.dll [External]
    Loaded assembly: /private/var/containers/Bundle/Application/E9F3C2E7-0644-4779-A17B-FFC883A8496A/CatchStat.iOS.app/Xamarin.iOS.dll [External]
    Loaded assembly: /private/var/containers/Bundle/Application/E9F3C2E7-0644-4779-A17B-FFC883A8496A/CatchStat.iOS.app/OpenTK-1.0.dll [External]
    Loaded assembly: /private/var/containers/Bundle/Application/E9F3C2E7-0644-4779-A17B-FFC883A8496A/CatchStat.iOS.app/System.Xml.dll [External]
    Loaded assembly: /private/var/containers/Bundle/Application/E9F3C2E7-0644-4779-A17B-FFC883A8496A/CatchStat.iOS.app/Xamarin.Forms.Platform.dll [External]
    Loaded assembly: /private/var/containers/Bundle/Application/E9F3C2E7-0644-4779-A17B-FFC883A8496A/CatchStat.iOS.app/Xamarin.Forms.Core.dll [External]
    Loaded assembly: /private/var/containers/Bundle/Application/E9F3C2E7-0644-4779-A17B-FFC883A8496A/CatchStat.iOS.app/System.Net.Http.dll [External]
    Loaded assembly: /private/var/containers/Bundle/Application/E9F3C2E7-0644-4779-A17B-FFC883A8496A/CatchStat.iOS.app/System.ServiceModel.Internals.dll [External]
    Loaded assembly: /private/var/containers/Bundle/Application/E9F3C2E7-0644-4779-A17B-FFC883A8496A/CatchStat.iOS.app/System.Runtime.Serialization.dll [External]
    Loaded assembly: /private/var/containers/Bundle/Application/E9F3C2E7-0644-4779-A17B-FFC883A8496A/CatchStat.iOS.app/Xamarin.Forms.Platform.iOS.dll [External]
    Thread started:  #2
    Loaded assembly: /private/var/containers/Bundle/Application/E9F3C2E7-0644-4779-A17B-FFC883A8496A/CatchStat.iOS.app/Xamarin.Essentials.dll [External]
    Loaded assembly: /private/var/containers/Bundle/Application/E9F3C2E7-0644-4779-A17B-FFC883A8496A/CatchStat.iOS.app/Xamarin.Forms.Xaml.dll [External]
    Loaded assembly: /private/var/containers/Bundle/Application/E9F3C2E7-0644-4779-A17B-FFC883A8496A/CatchStat.iOS.app/Telerik.Xamarin.iOS.dll [External]
    Loaded assembly: /private/var/containers/Bundle/Application/E9F3C2E7-0644-4779-A17B-FFC883A8496A/CatchStat.iOS.app/Telerik.XamarinForms.Common.dll [External]
    Loaded assembly: /private/var/containers/Bundle/Application/E9F3C2E7-0644-4779-A17B-FFC883A8496A/CatchStat.iOS.app/SkiaSharp.dll [External]
    Loaded assembly: /private/var/containers/Bundle/Application/E9F3C2E7-0644-4779-A17B-FFC883A8496A/CatchStat.iOS.app/SkiaSharp.Views.iOS.dll [External]
    Loaded assembly: /private/var/containers/Bundle/Application/E9F3C2E7-0644-4779-A17B-FFC883A8496A/CatchStat.iOS.app/SkiaSharp.Views.Forms.dll [External]
    Loaded assembly: /private/var/containers/Bundle/Application/E9F3C2E7-0644-4779-A17B-FFC883A8496A/CatchStat.iOS.app/Telerik.XamarinForms.SkiaSharp.dll [External]
    Loaded assembly: /private/var/containers/Bundle/Application/E9F3C2E7-0644-4779-A17B-FFC883A8496A/CatchStat.iOS.app/Telerik.XamarinForms.Primitives.dll [External]
    Loaded assembly: /private/var/containers/Bundle/Application/E9F3C2E7-0644-4779-A17B-FFC883A8496A/CatchStat.iOS.app/Telerik.XamarinForms.DataControls.dll [External]
    Loaded assembly: /private/var/containers/Bundle/Application/E9F3C2E7-0644-4779-A17B-FFC883A8496A/CatchStat.iOS.app/Telerik.XamarinForms.Input.dll [External]
    Loaded assembly: /private/var/containers/Bundle/Application/E9F3C2E7-0644-4779-A17B-FFC883A8496A/CatchStat.iOS.app/Telerik.XamarinForms.Chart.dll [External]
    Loaded assembly: /private/var/containers/Bundle/Application/E9F3C2E7-0644-4779-A17B-FFC883A8496A/CatchStat.iOS.app/FFImageLoading.dll [External]
    Loaded assembly: /private/var/containers/Bundle/Application/E9F3C2E7-0644-4779-A17B-FFC883A8496A/CatchStat.iOS.app/WebP.Touch.dll [External]
    Loaded assembly: /private/var/containers/Bundle/Application/E9F3C2E7-0644-4779-A17B-FFC883A8496A/CatchStat.iOS.app/FFImageLoading.Platform.dll [External]
    Loaded assembly: /private/var/containers/Bundle/Application/E9F3C2E7-0644-4779-A17B-FFC883A8496A/CatchStat.iOS.app/FFImageLoading.Forms.dll [External]
    Loaded assembly: /private/var/containers/Bundle/Application/E9F3C2E7-0644-4779-A17B-FFC883A8496A/CatchStat.iOS.app/FFImageLoading.Forms.Platform.dll [External]
    Loaded assembly: /private/var/containers/Bundle/Application/E9F3C2E7-0644-4779-A17B-FFC883A8496A/CatchStat.iOS.app/zxing.portable.dll [External]
    Loaded assembly: /private/var/containers/Bundle/Application/E9F3C2E7-0644-4779-A17B-FFC883A8496A/CatchStat.iOS.app/ZXing.Net.Mobile.Core.dll [External]
    Loaded assembly: /private/var/containers/Bundle/Application/E9F3C2E7-0644-4779-A17B-FFC883A8496A/CatchStat.iOS.app/ZXing.Net.Mobile.Forms.dll [External]
    Loaded assembly: /private/var/containers/Bundle/Application/E9F3C2E7-0644-4779-A17B-FFC883A8496A/CatchStat.iOS.app/ZXingNetMobile.dll [External]
    Loaded assembly: /private/var/containers/Bundle/Application/E9F3C2E7-0644-4779-A17B-FFC883A8496A/CatchStat.iOS.app/ZXing.Net.Mobile.Forms.iOS.dll [External]
    Loaded assembly: /private/var/containers/Bundle/Application/E9F3C2E7-0644-4779-A17B-FFC883A8496A/CatchStat.iOS.app/Syncfusion.Licensing.dll [External]
    Loaded assembly: /private/var/containers/Bundle/Application/E9F3C2E7-0644-4779-A17B-FFC883A8496A/CatchStat.iOS.app/Syncfusion.Core.XForms.dll [External]
    Loaded assembly: /private/var/containers/Bundle/Application/E9F3C2E7-0644-4779-A17B-FFC883A8496A/CatchStat.iOS.app/Syncfusion.Cards.XForms.dll [External]
    Loaded assembly: /private/var/containers/Bundle/Application/E9F3C2E7-0644-4779-A17B-FFC883A8496A/CatchStat.iOS.app/Syncfusion.Core.XForms.iOS.dll [External]
    Loaded assembly: /private/var/containers/Bundle/Application/E9F3C2E7-0644-4779-A17B-FFC883A8496A/CatchStat.iOS.app/Syncfusion.Cards.XForms.iOS.dll [External]
    Loaded assembly: /private/var/containers/Bundle/Application/E9F3C2E7-0644-4779-A17B-FFC883A8496A/CatchStat.iOS.app/Syncfusion.SfComboBox.XForms.dll [External]
    Loaded assembly: /private/var/containers/Bundle/Application/E9F3C2E7-0644-4779-A17B-FFC883A8496A/CatchStat.iOS.app/Syncfusion.SfComboBox.XForms.iOS.dll [External]
    Loaded assembly: /private/var/containers/Bundle/Application/E9F3C2E7-0644-4779-A17B-FFC883A8496A/CatchStat.iOS.app/Syncfusion.SfMaskedEdit.XForms.dll [External]
    Loaded assembly: /private/var/containers/Bundle/Application/E9F3C2E7-0644-4779-A17B-FFC883A8496A/CatchStat.iOS.app/Syncfusion.SfMaskedEdit.XForms.iOS.dll [External]
    Loaded assembly: /private/var/containers/Bundle/Application/E9F3C2E7-0644-4779-A17B-FFC883A8496A/CatchStat.iOS.app/Syncfusion.SfNumericTextBox.iOS.dll [External]
    Loaded assembly: /private/var/containers/Bundle/Application/E9F3C2E7-0644-4779-A17B-FFC883A8496A/CatchStat.iOS.app/Syncfusion.SfNumericTextBox.XForms.dll [External]
    Loaded assembly: /private/var/containers/Bundle/Application/E9F3C2E7-0644-4779-A17B-FFC883A8496A/CatchStat.iOS.app/Syncfusion.SfNumericTextBox.XForms.iOS.dll [External]
    Loaded assembly: /private/var/containers/Bundle/Application/E9F3C2E7-0644-4779-A17B-FFC883A8496A/CatchStat.iOS.app/System.Xml.Linq.dll [External]
    Loaded assembly: /private/var/containers/Bundle/Application/E9F3C2E7-0644-4779-A17B-FFC883A8496A/CatchStat.iOS.app/System.Web.Services.dll [External]
    Loaded assembly: /private/var/containers/Bundle/Application/E9F3C2E7-0644-4779-A17B-FFC883A8496A/CatchStat.iOS.app/RestSharp.dll [External]
    Loaded assembly: /private/var/containers/Bundle/Application/E9F3C2E7-0644-4779-A17B-FFC883A8496A/CatchStat.iOS.app/System.Numerics.dll [External]
    Loaded assembly: /private/var/containers/Bundle/Application/E9F3C2E7-0644-4779-A17B-FFC883A8496A/CatchStat.iOS.app/System.Data.dll [External]
    Loaded assembly: /private/var/containers/Bundle/Application/E9F3C2E7-0644-4779-A17B-FFC883A8496A/CatchStat.iOS.app/Newtonsoft.Json.dll [External]
    Loaded assembly: /private/var/containers/Bundle/Application/E9F3C2E7-0644-4779-A17B-FFC883A8496A/CatchStat.iOS.app/Microsoft.CSharp.dll [External]
    Loaded assembly: /private/var/containers/Bundle/Application/E9F3C2E7-0644-4779-A17B-FFC883A8496A/CatchStat.iOS.app/Prism.dll [External]
    Loaded assembly: /private/var/containers/Bundle/Application/E9F3C2E7-0644-4779-A17B-FFC883A8496A/CatchStat.iOS.app/Prism.Forms.dll [External]
    Loaded assembly: /private/var/containers/Bundle/Application/E9F3C2E7-0644-4779-A17B-FFC883A8496A/CatchStat.iOS.app/CatchStatAPI.dll
    Loaded assembly: /private/var/containers/Bundle/Application/E9F3C2E7-0644-4779-A17B-FFC883A8496A/CatchStat.iOS.app/Plugin.Multilingual.Abstractions.dll [External]
    Loaded assembly: /private/var/containers/Bundle/Application/E9F3C2E7-0644-4779-A17B-FFC883A8496A/CatchStat.iOS.app/FFImageLoading.Transformations.dll [External]
    Loaded assembly: /private/var/containers/Bundle/Application/E9F3C2E7-0644-4779-A17B-FFC883A8496A/CatchStat.iOS.app/ElegantTabs.Abstraction.dll [External]
    Loaded assembly: /private/var/containers/Bundle/Application/E9F3C2E7-0644-4779-A17B-FFC883A8496A/CatchStat.iOS.app/Unity.Abstractions.dll [External]
    Loaded assembly: /private/var/containers/Bundle/Application/E9F3C2E7-0644-4779-A17B-FFC883A8496A/CatchStat.iOS.app/Unity.Container.dll [External]
    Loaded assembly: /private/var/containers/Bundle/Application/E9F3C2E7-0644-4779-A17B-FFC883A8496A/CatchStat.iOS.app/Prism.Unity.Forms.dll [External]
    Loaded assembly: /private/var/containers/Bundle/Application/E9F3C2E7-0644-4779-A17B-FFC883A8496A/CatchStat.iOS.app/Plugin.Multilingual.dll [External]
    Loaded assembly: /private/var/containers/Bundle/Application/E9F3C2E7-0644-4779-A17B-FFC883A8496A/CatchStat.iOS.app/CatchStat.dll
    Loaded assembly: /private/var/containers/Bundle/Application/E9F3C2E7-0644-4779-A17B-FFC883A8496A/CatchStat.iOS.app/CatchStat.iOS.exe
    Resolved pending breakpoint at 'AppDelegate.cs:79,21' to void CatchStatMobileApp.iOS.AppDelegate.FailedToRegisterForRemoteNotifications (UIKit.UIApplication application, Foundation.NSError error) [0x00001].
    Thread started: <Thread Pool> #3
    Thread started: <Thread Pool> #4
    Thread started: <Thread Pool> #5
    Thread started: <Thread Pool> #6
    TOKEN REC: 
    New Notification Enrollment Call Create
    2019-05-25 15:05:03.970 CatchStat.iOS[1574:550827] Xamarin.iOS: Unable to locate assembly 'CatchStat.resources' (culture: 'en-US')
    2019-05-25 15:05:03.970 CatchStat.iOS[1574:550827] Xamarin.iOS: Unable to locate assembly 'CatchStat.resources' (culture: 'en-US')
    2019-05-25 15:05:03.971 CatchStat.iOS[1574:550827] Xamarin.iOS: Unable to locate assembly 'CatchStat.resources' (culture: 'en')
    2019-05-25 15:05:03.971 CatchStat.iOS[1574:550827] Xamarin.iOS: Unable to locate assembly 'CatchStat.resources' (culture: 'en')
    Thread started:  #7
    In TournamentCategoriesApi Using BearerToken:  KOmLkFBcpf8Ab4SP4HoIk4CKpiEXqNKk8ywSWagy
    Thread started:  #8
    Thread started: <Thread Pool> #9
    Thread started: <Thread Pool> #10
    Thread started: <Thread Pool> #11
    Thread started: <Thread Pool> #12
    Thread started: <Thread Pool> #13
    Thread started: <Thread Pool> #14
    Thread started: <Thread Pool> #15
    2019-05-25 15:05:04.255 CatchStat.iOS[1574:550827] WARNING: This app's CFBundleDevelopmentRegion is not a string value. This can lead to unexpected results at runtime. Please change CFBundleDevelopmentRegion in your Info.plist to a string value.
    TOKEN: f2b7961b 1eb8a098 343e7a47 b7ae4dcb 767fb334 3042221d a9fc3a2e 94eac671
    Thread started:  #16
    Resolved pending breakpoint at 'App.xaml.cs:342,1' to void CatchStat.App.<HandleTokenUpdateAction>d__16.MoveNext () [0x0064c].
    Resolved pending breakpoint at 'App.xaml.cs:304,1' to void CatchStat.App.<HandleTokenUpdateAction>d__16.MoveNext () [0x005de].
    Resolved pending breakpoint at 'ToolsHelper.cs:112,1' to void CatchStat.Helpers.ToolsHelper.<SaveUserDeviceID>d__13.MoveNext () [0x000b8].
    Are you calling this????
     IsActive Changed: True

    In TournamentCategoriesApi Using BearerToken:  KOmLkFBcpf8Ab4SP4HoIk4CKpiEXqNKk8ywSWagy
    In TournamentCatchLogApi Using BearerToken:  KOmLkFBcpf8Ab4SP4HoIk4CKpiEXqNKk8ywSWagy
    Thread finished: <Thread Pool> #5
    Thread finished: <Thread Pool> #6
    2019-05-25 15:05:35.201 CatchStat.iOS[1574:550827] 
    Unhandled Exception:
    System.NullReferenceException: Object reference not set to an instance of an object
      at Telerik.XamarinForms.InputRenderer.iOS.SegmentedControlRenderer.OnElementDetached (Telerik.XamarinForms.Input.RadSegmentedControl oldElement) [0x00006] in <275d9955c76f40a582584608591bfb70>:0 
      at Telerik.XamarinForms.Common.iOS.IosRendererBase`2[S,T].OnElementChanged (Xamarin.Forms.Platform.iOS.ElementChangedEventArgs`1[TElement] e) [0x00016] in <5b048be91e304d71aa9ca2dce08237df>:0 
      at Xamarin.Forms.Platform.iOS.VisualElementRenderer`1[TElement].SetElement (TElement element) [0x0012a] in <db147fad2aa9412c845ff0ead92dfe20>:0 
      at Xamarin.Forms.Platform.iOS.VisualElementRenderer`1[TElement].Dispose (System.Boolean disposing) [0x0008c] in <db147fad2aa9412c845ff0ead92dfe20>:0 
      at Xamarin.Forms.Platform.iOS.ViewRenderer`2[TView,TNativeView].Dispose (System.Boolean disposing) [0x0005c] in <db147fad2aa9412c845ff0ead92dfe20>:0 
      at Foundation.NSObject.Dispose () [0x00000] in /Library/Frameworks/Xamarin.iOS.framework/Versions/12.8.0.2/src/Xamarin.iOS/Foundation/NSObject2.cs:147 
      at Xamarin.Forms.Platform.iOS.VisualElementPackager.Dispose (System.Boolean disposing) [0x0003f] in <db147fad2aa9412c845ff0ead92dfe20>:0 
      at Xamarin.Forms.Platform.iOS.VisualElementPackager.Dispose () [0x00000] in <db147fad2aa9412c845ff0ead92dfe20>:0 
      at Xamarin.Forms.Platform.iOS.ScrollViewRenderer.Dispose (System.Boolean disposing) [0x0003e] in <db147fad2aa9412c845ff0ead92dfe20>:0 
      at Foundation.NSObject.Dispose () [0x00000] in /Library/Frameworks/Xamarin.iOS.framework/Versions/12.8.0.2/src/Xamarin.iOS/Foundation/NSObject2.cs:147 
      at Xamarin.Forms.Platform.iOS.VisualElementPackager.Dispose (System.Boolean disposing) [0x0003f] in <db147fad2aa9412c845ff0ead92dfe20>:0 
      at Xamarin.Forms.Platform.iOS.VisualElementPackager.Dispose () [0x00000] in <db147fad2aa9412c845ff0ead92dfe20>:0 
      at Xamarin.Forms.Platform.iOS.VisualElementRenderer`1[TElement].Dispose (System.Boolean disposing) [0x00058] in <db147fad2aa9412c845ff0ead92dfe20>:0 
      at Foundation.NSObject.Dispose () [0x00000] in /Library/Frameworks/Xamarin.iOS.framework/Versions/12.8.0.2/src/Xamarin.iOS/Foundation/NSObject2.cs:147 
      at Xamarin.Forms.Platform.iOS.VisualElementPackager.Dispose (System.Boolean disposing) [0x0003f] in <db147fad2aa9412c845ff0ead92dfe20>:0 
      at Xamarin.Forms.Platform.iOS.VisualElementPackager.Dispose () [0x00000] in <db147fad2aa9412c845ff0ead92dfe20>:0 
      at Xamarin.Forms.Platform.iOS.VisualElementRenderer`1[TElement].Dispose (System.Boolean disposing) [0x00058] in <db147fad2aa9412c845ff0ead92dfe20>:0 
      at Foundation.NSObject.Dispose () [0x00000] in /Library/Frameworks/Xamarin.iOS.framework/Versions/12.8.0.2/src/Xamarin.iOS/Foundation/NSObject2.cs:147 
      at Xamarin.Forms.Platform.iOS.VisualElementPackager.OnChildRemoved (Xamarin.Forms.VisualElement view) [0x0003e] in <db147fad2aa9412c845ff0ead92dfe20>:0 
      at Xamarin.Forms.Platform.iOS.VisualElementPackager.OnChildRemoved (System.Object sender, Xamarin.Forms.ElementEventArgs e) [0x0000f] in <db147fad2aa9412c845ff0ead92dfe20>:0 
      at Xamarin.Forms.Element.OnChildRemoved (Xamarin.Forms.Element child) [0x00007] in D:\a\1\s\Xamarin.Forms.Core\Element.cs:337 
      at Xamarin.Forms.VisualElement.OnChildRemoved (Xamarin.Forms.Element child) [0x00000] in D:\a\1\s\Xamarin.Forms.Core\VisualElement.cs:750 
      at Xamarin.Forms.Layout`1[T].OnChildRemoved (Xamarin.Forms.Element child) [0x00000] in <90e23d10107449038a86cd7e79ab6813>:0 
      at Xamarin.Forms.Layout.OnInternalRemoved (Xamarin.Forms.View view) [0x00012] in D:\a\1\s\Xamarin.Forms.Core\Layout.cs:464 
      at Xamarin.Forms.Layout.InternalChildrenOnCollectionChanged (System.Object sender, System.Collections.Specialized.NotifyCollectionChangedEventArgs e) [0x0002b] in D:\a\1\s\Xamarin.Forms.Core\Layout.cs:427 
      at (wrapper delegate-invoke) <Module>.invoke_void_object_NotifyCollectionChangedEventArgs(object,System.Collections.Specialized.NotifyCollectionChangedEventArgs)
      at System.Collections.ObjectModel.ObservableCollection`1[T].OnCollectionChanged (System.Collections.Specialized.NotifyCollectionChangedEventArgs e) [0x00018] in <cfeb875a95684ad09f58680b02e4aa2c>:0 
      at System.Collections.ObjectModel.ObservableCollection`1[T].OnCollectionChanged (System.Collections.Specialized.NotifyCollectionChangedAction action, System.Object item, System.Int32 index) [0x00009] in <cfeb875a95684ad09f58680b02e4aa2c>:0 
      at System.Collections.ObjectModel.ObservableCollection`1[T].RemoveItem (System.Int32 index) [0x00021] in <cfeb875a95684ad09f58680b02e4aa2c>:0 
      at System.Collections.ObjectModel.Collection`1[T].Remove (T item) [0x00027] in <91e0283eca55453fa9b161bf2de4edfd>:0 
      at Xamarin.Forms.ObservableWrapper`2[TTrack,TRestrict].Remove (TRestrict item) [0x00035] in <90e23d10107449038a86cd7e79ab6813>:0 
      at Telerik.XamarinForms.Primitives.RadBusyIndicator.set_VisibleContent (Xamarin.Forms.View value) [0x0001c] in <1a0156d243a8403ab5842ede52586f1b>:0 
      at Telerik.XamarinForms.Primitives.RadBusyIndicator.DisplayActualContent () [0x00070] in <1a0156d243a8403ab5842ede52586f1b>:0 
      at Telerik.XamarinForms.Primitives.RadBusyIndicator.OnIsBusyPropertyChanged (Telerik.XamarinForms.Primitives.RadBusyIndicator indicator, System.Boolean oldValue, System.Boolean newValue) [0x00000] in <1a0156d243a8403ab5842ede52586f1b>:0 
      at Telerik.XamarinForms.Common.BindablePropertyExtensions+<>c__DisplayClass6_0`2[TDeclarer,TPropertyType].<Create>b__0 (Xamarin.Forms.BindableObject b, System.Object o, System.Object n) [0x00000] in <5b048be91e304d71aa9ca2dce08237df>:0 
      at Xamarin.Forms.BindableObject.SetValueActual (Xamarin.Forms.BindableProperty property, Xamarin.Forms.BindableObject+BindablePropertyContext context, System.Object value, System.Boolean currentlyApplying, Xamarin.Forms.Internals.SetValueFlags attributes, System.Boolean silent) [0x00120] in D:\a\1\s\Xamarin.Forms.Core\BindableObject.cs:445 
      at Xamarin.Forms.BindableObject.SetValueCore (Xamarin.Forms.BindableProperty property, System.Object value, Xamarin.Forms.Internals.SetValueFlags attributes, Xamarin.Forms.BindableObject+SetValuePrivateFlags privateAttributes) [0x00173] in D:\a\1\s\Xamarin.Forms.Core\BindableObject.cs:379 
      at Xamarin.Forms.BindingExpression.ApplyCore (System.Object sourceObject, Xamarin.Forms.BindableObject target, Xamarin.Forms.BindableProperty property, System.Boolean fromTarget) [0x00220] in D:\a\1\s\Xamarin.Forms.Core\BindingExpression.cs:167 
      at Xamarin.Forms.BindingExpression.Apply (System.Boolean fromTarget) [0x0003e] in D:\a\1\s\Xamarin.Forms.Core\BindingExpression.cs:57 
      at Xamarin.Forms.BindingExpression+BindingExpressionPart.<PropertyChanged>b__49_0 () [0x00000] in D:\a\1\s\Xamarin.Forms.Core\BindingExpression.cs:618 
      at Foundation.NSAsyncActionDispatcher.Apply () [0x00000] in /Library/Frameworks/Xamarin.iOS.framework/Versions/12.8.0.2/src/Xamarin.iOS/Foundation/NSAction.cs:152 
      at (wrapper managed-to-native) UIKit.UIApplication.UIApplicationMain(int,string[],intptr,intptr)
      at UIKit.UIApplication.Main (System.String[] args, System.IntPtr principal, System.IntPtr delegate) [0x00005] in /Library/Frameworks/Xamarin.iOS.framework/Versions/12.8.0.2/src/Xamarin.iOS/UIKit/UIApplication.cs:79 
      at UIKit.UIApplication.Main (System.String[] args, System.String principalClassName, System.String delegateClassName) [0x0002c] in /Library/Frameworks/Xamarin.iOS.framework/Versions/12.8.0.2/src/Xamarin.iOS/UIKit/UIApplication.cs:63 
      at CatchStatMobileApp.iOS.Application.Main (System.String[] args) [0x00001] in /Users/brianadams/Projects/CatchStat/CatchStatApp/CatchStat.iOS/Main.cs:17 
    2019-05-25 15:05:35.212 CatchStat.iOS[1574:550827] Unhandled managed exception:
    Object reference not set to an instance of an object (System.NullReferenceException)
      at Telerik.XamarinForms.InputRenderer.iOS.SegmentedControlRenderer.OnElementDetached (Telerik.XamarinForms.Input.RadSegmentedControl oldElement) [0x00006] in <275d9955c76f40a582584608591bfb70>:0 
      at Telerik.XamarinForms.Common.iOS.IosRendererBase`2[S,T].OnElementChanged (Xamarin.Forms.Platform.iOS.ElementChangedEventArgs`1[TElement] e) [0x00016] in <5b048be91e304d71aa9ca2dce08237df>:0 
      at Xamarin.Forms.Platform.iOS.VisualElementRenderer`1[TElement].SetElement (TElement element) [0x0012a] in <db147fad2aa9412c845ff0ead92dfe20>:0 
      at Xamarin.Forms.Platform.iOS.VisualElementRenderer`1[TElement].Dispose (System.Boolean disposing) [0x0008c] in <db147fad2aa9412c845ff0ead92dfe20>:0 
      at Xamarin.Forms.Platform.iOS.ViewRenderer`2[TView,TNativeView].Dispose (System.Boolean disposing) [0x0005c] in <db147fad2aa9412c845ff0ead92dfe20>:0 
      at Foundation.NSObject.Dispose () [0x00000] in /Library/Frameworks/Xamarin.iOS.framework/Versions/12.8.0.2/src/Xamarin.iOS/Foundation/NSObject2.cs:147 
      at Xamarin.Forms.Platform.iOS.VisualElementPackager.Dispose (System.Boolean disposing) [0x0003f] in <db147fad2aa9412c845ff0ead92dfe20>:0 
      at Xamarin.Forms.Platform.iOS.VisualElementPackager.Dispose () [0x00000] in <db147fad2aa9412c845ff0ead92dfe20>:0 
      at Xamarin.Forms.Platform.iOS.ScrollViewRenderer.Dispose (System.Boolean disposing) [0x0003e] in <db147fad2aa9412c845ff0ead92dfe20>:0 
      at Foundation.NSObject.Dispose () [0x00000] in /Library/Frameworks/Xamarin.iOS.framework/Versions/12.8.0.2/src/Xamarin.iOS/Foundation/NSObject2.cs:147 
      at Xamarin.Forms.Platform.iOS.VisualElementPackager.Dispose (System.Boolean disposing) [0x0003f] in <db147fad2aa9412c845ff0ead92dfe20>:0 
      at Xamarin.Forms.Platform.iOS.VisualElementPackager.Dispose () [0x00000] in <db147fad2aa9412c845ff0ead92dfe20>:0 
      at Xamarin.Forms.Platform.iOS.VisualElementRenderer`1[TElement].Dispose (System.Boolean disposing) [0x00058] in <db147fad2aa9412c845ff0ead92dfe20>:0 
      at Foundation.NSObject.Dispose () [0x00000] in /Library/Frameworks/Xamarin.iOS.framework/Versions/12.8.0.2/src/Xamarin.iOS/Foundation/NSObject2.cs:147 
      at Xamarin.Forms.Platform.iOS.VisualElementPackager.Dispose (System.Boolean disposing) [0x0003f] in <db147fad2aa9412c845ff0ead92dfe20>:0 
      at Xamarin.Forms.Platform.iOS.VisualElementPackager.Dispose () [0x00000] in <db147fad2aa9412c845ff0ead92dfe20>:0 
      at Xamarin.Forms.Platform.iOS.VisualElementRenderer`1[TElement].Dispose (System.Boolean disposing) [0x00058] in <db147fad2aa9412c845ff0ead92dfe20>:0 
      at Foundation.NSObject.Dispose () [0x00000] in /Library/Frameworks/Xamarin.iOS.framework/Versions/12.8.0.2/src/Xamarin.iOS/Foundation/NSObject2.cs:147 
      at Xamarin.Forms.Platform.iOS.VisualElementPackager.OnChildRemoved (Xamarin.Forms.VisualElement view) [0x0003e] in <db147fad2aa9412c845ff0ead92dfe20>:0 
      at Xamarin.Forms.Platform.iOS.VisualElementPackager.OnChildRemoved (System.Object sender, Xamarin.Forms.ElementEventArgs e) [0x0000f] in <db147fad2aa9412c845ff0ead92dfe20>:0 
      at Xamarin.Forms.Element.OnChildRemoved (Xamarin.Forms.Element child) [0x00007] in D:\a\1\s\Xamarin.Forms.Core\Element.cs:337 
      at Xamarin.Forms.VisualElement.OnChildRemoved (Xamarin.Forms.Element child) [0x00000] in D:\a\1\s\Xamarin.Forms.Core\VisualElement.cs:750 
      at Xamarin.Forms.Layout`1[T].OnChildRemoved (Xamarin.Forms.Element child) [0x00000] in <90e23d10107449038a86cd7e79ab6813>:0 
      at Xamarin.Forms.Layout.OnInternalRemoved (Xamarin.Forms.View view) [0x00012] in D:\a\1\s\Xamarin.Forms.Core\Layout.cs:464 
      at Xamarin.Forms.Layout.InternalChildrenOnCollectionChanged (System.Object sender, System.Collections.Specialized.NotifyCollectionChangedEventArgs e) [0x0002b] in D:\a\1\s\Xamarin.Forms.Core\Layout.cs:427 
      at (wrapper delegate-invoke) <Module>.invoke_void_object_NotifyCollectionChangedEventArgs(object,System.Collections.Specialized.NotifyCollectionChangedEventArgs)
      at System.Collections.ObjectModel.ObservableCollection`1[T].OnCollectionChanged (System.Collections.Specialized.NotifyCollectionChangedEventArgs e) [0x00018] in <cfeb875a95684ad09f58680b02e4aa2c>:0 
      at System.Collections.ObjectModel.ObservableCollection`1[T].OnCollectionChanged (System.Collections.Specialized.NotifyCollectionChangedAction action, System.Object item, System.Int32 index) [0x00009] in <cfeb875a95684ad09f58680b02e4aa2c>:0 
      at System.Collections.ObjectModel.ObservableCollection`1[T].RemoveItem (System.Int32 index) [0x00021] in <cfeb875a95684ad09f58680b02e4aa2c>:0 
      at System.Collections.ObjectModel.Collection`1[T].Remove (T item) [0x00027] in <91e0283eca55453fa9b161bf2de4edfd>:0 
      at Xamarin.Forms.ObservableWrapper`2[TTrack,TRestrict].Remove (TRestrict item) [0x00035] in <90e23d10107449038a86cd7e79ab6813>:0 
      at Telerik.XamarinForms.Primitives.RadBusyIndicator.set_VisibleContent (Xamarin.Forms.View value) [0x0001c] in <1a0156d243a8403ab5842ede52586f1b>:0 
      at Telerik.XamarinForms.Primitives.RadBusyIndicator.DisplayActualContent () [0x00070] in <1a0156d243a8403ab5842ede52586f1b>:0 
      at Telerik.XamarinForms.Primitives.RadBusyIndicator.OnIsBusyPropertyChanged (Telerik.XamarinForms.Primitives.RadBusyIndicator indicator, System.Boolean oldValue, System.Boolean newValue) [0x00000] in <1a0156d243a8403ab5842ede52586f1b>:0 
      at Telerik.XamarinForms.Common.BindablePropertyExtensions+<>c__DisplayClass6_0`2[TDeclarer,TPropertyType].<Create>b__0 (Xamarin.Forms.BindableObject b, System.Object o, System.Object n) [0x00000] in <5b048be91e304d71aa9ca2dce08237df>:0 
      at Xamarin.Forms.BindableObject.SetValueActual (Xamarin.Forms.BindableProperty property, Xamarin.Forms.BindableObject+BindablePropertyContext context, System.Object value, System.Boolean currentlyApplying, Xamarin.Forms.Internals.SetValueFlags attributes, System.Boolean silent) [0x00120] in D:\a\1\s\Xamarin.Forms.Core\BindableObject.cs:445 
      at Xamarin.Forms.BindableObject.SetValueCore (Xamarin.Forms.BindableProperty property, System.Object value, Xamarin.Forms.Internals.SetValueFlags attributes, Xamarin.Forms.BindableObject+SetValuePrivateFlags privateAttributes) [0x00173] in D:\a\1\s\Xamarin.Forms.Core\BindableObject.cs:379 
      at Xamarin.Forms.BindingExpression.ApplyCore (System.Object sourceObject, Xamarin.Forms.BindableObject target, Xamarin.Forms.BindableProperty property, System.Boolean fromTarget) [0x00220] in D:\a\1\s\Xamarin.Forms.Core\BindingExpression.cs:167 
      at Xamarin.Forms.BindingExpression.Apply (System.Boolean fromTarget) [0x0003e] in D:\a\1\s\Xamarin.Forms.Core\BindingExpression.cs:57 
      at Xamarin.Forms.BindingExpression+BindingExpressionPart.<PropertyChanged>b__49_0 () [0x00000] in D:\a\1\s\Xamarin.Forms.Core\BindingExpression.cs:618 
      at Foundation.NSAsyncActionDispatcher.Apply () [0x00000] in /Library/Frameworks/Xamarin.iOS.framework/Versions/12.8.0.2/src/Xamarin.iOS/Foundation/NSAction.cs:152 
      at (wrapper managed-to-native) UIKit.UIApplication.UIApplicationMain(int,string[],intptr,intptr)
      at UIKit.UIApplication.Main (System.String[] args, System.IntPtr principal, System.IntPtr delegate) [0x00005] in /Library/Frameworks/Xamarin.iOS.framework/Versions/12.8.0.2/src/Xamarin.iOS/UIKit/UIApplication.cs:79 
      at UIKit.UIApplication.Main (System.String[] args, System.String principalClassName, System.String delegateClassName) [0x0002c] in /Library/Frameworks/Xamarin.iOS.framework/Versions/12.8.0.2/src/Xamarin.iOS/UIKit/UIApplication.cs:63 
      at CatchStatMobileApp.iOS.Application.Main (System.String[] args) [0x00001] in /Users/brianadams/Projects/CatchStat/CatchStatApp/CatchStat.iOS/Main.cs:17 

    =================================================================
    Native Crash Reporting
    =================================================================
    Got a SIGABRT while executing native code. This usually indicates
    a fatal error in the mono runtime or one of the native libraries 
    used by your application.
    =================================================================

    =================================================================
    Basic Fault Adddress Reporting
    =================================================================
    Memory around native instruction pointer (0x1aa9c90cc):0x1aa9c90bc  fd 7b c1 a8 c0 03 5f d6 10 29 80 d2 01 10 00 d4  .{...._..)......
    0x1aa9c90cc  c3 00 00 54 fd 7b bf a9 fd 03 00 91 3f d5 ff 97  ...T.{......?...
    0x1aa9c90dc  bf 03 00 91 fd 7b c1 a8 c0 03 5f d6 90 29 80 d2  .....{...._..)..
    0x1aa9c90ec  01 10 00 d4 c3 00 00 54 fd 7b bf a9 fd 03 00 91  .......T.{......

    =================================================================
    Native stacktrace:
    =================================================================
    0x108055a34 - /var/containers/Bundle/Application/E9F3C2E7-0644-4779-A17B-FFC883A8496A/CatchStat.iOS.app/CatchStat.iOS : (null)
    0x10804bc10 - /var/containers/Bundle/Application/E9F3C2E7-0644-4779-A17B-FFC883A8496A/CatchStat.iOS.app/CatchStat.iOS : (null)
    0x1aaa3b508 - /usr/lib/system/libsystem_platform.dylib : <redacted>
    0x1aaa3fa88 - /usr/lib/system/libsystem_pthread.dylib : pthread_kill
    0x1aa92214c - /usr/lib/system/libsystem_c.dylib : abort
    0x1081e9094 - /var/containers/Bundle/Application/E9F3C2E7-0644-4779-A17B-FFC883A8496A/CatchStat.iOS.app/CatchStat.iOS : xamarin_get_block_descriptor
    0x1080b54f4 - /var/containers/Bundle/Application/E9F3C2E7-0644-4779-A17B-FFC883A8496A/CatchStat.iOS.app/CatchStat.iOS : mono_pmip
    0x10804b638 - /var/containers/Bundle/Application/E9F3C2E7-0644-4779-A17B-FFC883A8496A/CatchStat.iOS.app/CatchStat.iOS : (null)
    0x10804a154 - /var/containers/Bundle/Application/E9F3C2E7-0644-4779-A17B-FFC883A8496A/CatchStat.iOS.app/CatchStat.iOS : (null)
    0x108040b00 - /var/containers/Bundle/Application/E9F3C2E7-0644-4779-A17B-FFC883A8496A/CatchStat.iOS.app/CatchStat.iOS : (null)
    0x1 - Unknown
    0x1067c5b80 - /var/containers/Bundle/Application/E9F3C2E7-0644-4779-A17B-FFC883A8496A/CatchStat.iOS.app/CatchStat.iOS : (null)
    0x1056cf72c - /var/containers/Bundle/Application/E9F3C2E7-0644-4779-A17B-FFC883A8496A/CatchStat.iOS.app/CatchStat.iOS : (null)
    0x1056d00a0 - /var/containers/Bundle/Application/E9F3C2E7-0644-4779-A17B-FFC883A8496A/CatchStat.iOS.app/CatchStat.iOS : (null)
    0x1056c7ca4 - /var/containers/Bundle/Application/E9F3C2E7-0644-4779-A17B-FFC883A8496A/CatchStat.iOS.app/CatchStat.iOS : (null)
    0x1054c73f4 - /var/containers/Bundle/Application/E9F3C2E7-0644-4779-A17B-FFC883A8496A/CatchStat.iOS.app/CatchStat.iOS : (null)
    0x1056ca874 - /var/containers/Bundle/Application/E9F3C2E7-0644-4779-A17B-FFC883A8496A/CatchStat.iOS.app/CatchStat.iOS : (null)
    0x1056ca2f0 - /var/containers/Bundle/Application/E9F3C2E7-0644-4779-A17B-FFC883A8496A/CatchStat.iOS.app/CatchStat.iOS : (null)
    0x10573e6ec - /var/containers/Bundle/Application/E9F3C2E7-0644-4779-A17B-FFC883A8496A/CatchStat.iOS.app/CatchStat.iOS : (null)
    0x1054c73f4 - /var/containers/Bundle/Application/E9F3C2E7-0644-4779-A17B-FFC883A8496A/CatchStat.iOS.app/CatchStat.iOS : (null)
    0x1056ca874 - /var/containers/Bundle/Application/E9F3C2E7-0644-4779-A17B-FFC883A8496A/CatchStat.iOS.app/CatchStat.iOS : (null)
    0x1056ca2f0 - /var/containers/Bundle/Application/E9F3C2E7-0644-4779-A17B-FFC883A8496A/CatchStat.iOS.app/CatchStat.iOS : (null)
    0x1056cffb0 - /var/containers/Bundle/Application/E9F3C2E7-0644-4779-A17B-FFC883A8496A/CatchStat.iOS.app/CatchStat.iOS : (null)
    0x1054c73f4 - /var/containers/Bundle/Application/E9F3C2E7-0644-4779-A17B-FFC883A8496A/CatchStat.iOS.app/CatchStat.iOS : (null)
    0x1056ca874 - /var/containers/Bundle/Application/E9F3C2E7-0644-4779-A17B-FFC883A8496A/CatchStat.iOS.app/CatchStat.iOS : (null)
    0x1056ca2f0 - /var/containers/Bundle/Application/E9F3C2E7-0644-4779-A17B-FFC883A8496A/CatchStat.iOS.app/CatchStat.iOS : (null)
    0x1056cffb0 - /var/containers/Bundle/Application/E9F3C2E7-0644-4779-A17B-FFC883A8496A/CatchStat.iOS.app/CatchStat.iOS : (null)
    0x1054c73f4 - /var/containers/Bundle/Application/E9F3C2E7-0644-4779-A17B-FFC883A8496A/CatchStat.iOS.app/CatchStat.iOS : (null)
    0x1056cb438 - /var/containers/Bundle/Application/E9F3C2E7-0644-4779-A17B-FFC883A8496A/CatchStat.iOS.app/CatchStat.iOS : (null)
    0x1056cbbfc - /var/containers/Bundle/Application/E9F3C2E7-0644-4779-A17B-FFC883A8496A/CatchStat.iOS.app/CatchStat.iOS : (null)
    0x10499917c - /var/containers/Bundle/Application/E9F3C2E7-0644-4779-A17B-FFC883A8496A/CatchStat.iOS.app/CatchStat.iOS : (null)
    0x104b01708 - /var/containers/Bundle/Application/E9F3C2E7-0644-4779-A17B-FFC883A8496A/CatchStat.iOS.app/CatchStat.iOS : (null)
    0x1049f8d90 - /var/containers/Bundle/Application/E9F3C2E7-0644-4779-A17B-FFC883A8496A/CatchStat.iOS.app/CatchStat.iOS : (null)
    0x1049ff474 - /var/containers/Bundle/Application/E9F3C2E7-0644-4779-A17B-FFC883A8496A/CatchStat.iOS.app/CatchStat.iOS : (null)
    0x1049fec50 - /var/containers/Bundle/Application/E9F3C2E7-0644-4779-A17B-FFC883A8496A/CatchStat.iOS.app/CatchStat.iOS : (null)
    0x105012a6c - /var/containers/Bundle/Application/E9F3C2E7-0644-4779-A17B-FFC883A8496A/CatchStat.iOS.app/CatchStat.iOS : (null)
    0x104fa1b6c - /var/containers/Bundle/Application/E9F3C2E7-0644-4779-A17B-FFC883A8496A/CatchStat.iOS.app/CatchStat.iOS : (null)
    0x104fa1d40 - /var/containers/Bundle/Application/E9F3C2E7-0644-4779-A17B-FFC883A8496A/CatchStat.iOS.app/CatchStat.iOS : (null)
    0x104fa1748 - /var/containers/Bundle/Application/E9F3C2E7-0644-4779-A17B-FFC883A8496A/CatchStat.iOS.app/CatchStat.iOS : (null)
    0x10473f544 - /var/containers/Bundle/Application/E9F3C2E7-0644-4779-A17B-FFC883A8496A/CatchStat.iOS.app/CatchStat.iOS : (null)
    0x104a32eb0 - /var/containers/Bundle/Application/E9F3C2E7-0644-4779-A17B-FFC883A8496A/CatchStat.iOS.app/CatchStat.iOS : (null)
    0x106571fd4 - /var/containers/Bundle/Application/E9F3C2E7-0644-4779-A17B-FFC883A8496A/CatchStat.iOS.app/CatchStat.iOS : (null)
    0x1065746d0 - /var/containers/Bundle/Application/E9F3C2E7-0644-4779-A17B-FFC883A8496A/CatchStat.iOS.app/CatchStat.iOS : (null)
    0x1065738f0 - /var/containers/Bundle/Application/E9F3C2E7-0644-4779-A17B-FFC883A8496A/CatchStat.iOS.app/CatchStat.iOS : (null)
    0x10664dd8c - /var/containers/Bundle/Application/E9F3C2E7-0644-4779-A17B-FFC883A8496A/CatchStat.iOS.app/CatchStat.iOS : (null)
    0x104932d48 - /var/containers/Bundle/Application/E9F3C2E7-0644-4779-A17B-FFC883A8496A/CatchStat.iOS.app/CatchStat.iOS : (null)
    0x104932464 - /var/containers/Bundle/Application/E9F3C2E7-0644-4779-A17B-FFC883A8496A/CatchStat.iOS.app/CatchStat.iOS : (null)
    0x104943468 - /var/containers/Bundle/Application/E9F3C2E7-0644-4779-A17B-FFC883A8496A/CatchStat.iOS.app/CatchStat.iOS : (null)
    0x104941edc - /var/containers/Bundle/Application/E9F3C2E7-0644-4779-A17B-FFC883A8496A/CatchStat.iOS.app/CatchStat.iOS : (null)
    0x104949980 - /var/containers/Bundle/Application/E9F3C2E7-0644-4779-A17B-FFC883A8496A/CatchStat.iOS.app/CatchStat.iOS : (null)
    0x1054c5e04 - /var/containers/Bundle/Application/E9F3C2E7-0644-4779-A17B-FFC883A8496A/CatchStat.iOS.app/CatchStat.iOS : (null)
    0x1048717f8 - /var/containers/Bundle/Application/E9F3C2E7-0644-4779-A17B-FFC883A8496A/CatchStat.iOS.app/CatchStat.iOS : (null)
    0x10805d830 - /var/containers/Bundle/Application/E9F3C2E7-0644-4779-A17B-FFC883A8496A/CatchStat.iOS.app/CatchStat.iOS : mono_pmip
    0x108100c48 - /var/containers/Bundle/Application/E9F3C2E7-0644-4779-A17B-FFC883A8496A/CatchStat.iOS.app/CatchStat.iOS : mono_pmip
    0x10810455c - /var/containers/Bundle/Application/E9F3C2E7-0644-4779-A17B-FFC883A8496A/CatchStat.iOS.app/CatchStat.iOS : mono_pmip
    0x1044d7280 - /var/containers/Bundle/Application/E9F3C2E7-0644-4779-A17B-FFC883A8496A/CatchStat.iOS.app/CatchStat.iOS : (null)
    0x1044d9a44 - /var/containers/Bundle/Application/E9F3C2E7-0644-4779-A17B-FFC883A8496A/CatchStat.iOS.app/CatchStat.iOS : (null)
    0x1aa037454 - /usr/lib/libobjc.A.dylib : <redacted>
    0x1ab8d5048 - /System/Library/Frameworks/Foundation.framework/Foundation : <redacted>
    0x1aadc6444 - /System/Library/Frameworks/CoreFoundation.framework/CoreFoundation : <redacted>
    0x1aadc63c0 - /System/Library/Frameworks/CoreFoundation.framework/CoreFoundation : <redacted>
    0x1aadc5c7c - /System/Library/Frameworks/CoreFoundation.framework/CoreFoundation : <redacted>
    0x1aadc0950 - /System/Library/Frameworks/CoreFoundation.framework/CoreFoundation : <redacted>
    0x1aadc0254 - /System/Library/Frameworks/CoreFoundation.framework/CoreFoundation : CFRunLoopRunSpecific
    0x1acfffd8c - /System/Library/PrivateFrameworks/GraphicsServices.framework/GraphicsServices : GSEventRunModal
    0x1d81084c0 - /System/Library/PrivateFrameworks/UIKitCore.framework/UIKitCore : UIApplicationMain
    0x105513494 - /var/containers/Bundle/Application/E9F3C2E7-0644-4779-A17B-FFC883A8496A/CatchStat.iOS.app/CatchStat.iOS : (null)
    0x10547690c - /var/containers/Bundle/Application/E9F3C2E7-0644-4779-A17B-FFC883A8496A/CatchStat.iOS.app/CatchStat.iOS : (null)
    0x1054768cc - /var/containers/Bundle/Application/E9F3C2E7-0644-4779-A17B-FFC883A8496A/CatchStat.iOS.app/CatchStat.iOS : (null)
    0x104525b10 - /var/containers/Bundle/Application/E9F3C2E7-0644-4779-A17B-FFC883A8496A/CatchStat.iOS.app/CatchStat.iOS : (null)
    0x1048717f8 - /var/containers/Bundle/Application/E9F3C2E7-0644-4779-A17B-FFC883A8496A/CatchStat.iOS.app/CatchStat.iOS : (null)
    0x10805d830 - /var/containers/Bundle/Application/E9F3C2E7-0644-4779-A17B-FFC883A8496A/CatchStat.iOS.app/CatchStat.iOS : mono_pmip
    0x108100c48 - /var/containers/Bundle/Application/E9F3C2E7-0644-4779-A17B-FFC883A8496A/CatchStat.iOS.app/CatchStat.iOS : mono_pmip
    0x108106e48 - /var/containers/Bundle/Application/E9F3C2E7-0644-4779-A17B-FFC883A8496A/CatchStat.iOS.app/CatchStat.iOS : mono_pmip
    0x10803c2b4 - /var/containers/Bundle/Application/E9F3C2E7-0644-4779-A17B-FFC883A8496A/CatchStat.iOS.app/CatchStat.iOS : (null)
    0x1081f9e48 - /var/containers/Bundle/Application/E9F3C2E7-0644-4779-A17B-FFC883A8496A/CatchStat.iOS.app/CatchStat.iOS : _Z9__isctypeim
    0x104522934 - /var/containers/Bundle/Application/E9F3C2E7-0644-4779-A17B-FFC883A8496A/CatchStat.iOS.app/CatchStat.iOS : (null)
    0x1aa87cfd8 - /usr/lib/system/libdyld.dylib : <redacted>

    =================================================================
    Managed Stacktrace:
    =================================================================
    =================================================================

     

     

     

     

     

     

     

     

    VISUAL STUDIO ABOUT

    =========================================================================================================

     

     

    Visual Studio Professional 2019 for Mac
    Version 8.0.8 (build 2)
    Installation UUID: 8ee74174-2582-485b-ae07-425274b5c17a
    GTK+ 2.24.23 (Raleigh theme)
    Xamarin.Mac 5.6.0.2 (d16-0 / 040682909)

    Package version: 518010003

    Mono Framework MDK
    Runtime:
    Mono 5.18.1.3 (2018-08/fdb26b0a445) (64-bit)
    Package version: 518010003

    NuGet
    Version: 4.8.2.5835

    .NET Core
    Runtime: /usr/local/share/dotnet/dotnet
    Runtime Versions:
    2.1.9
    2.1.8
    2.1.7
    2.1.2
    2.0.5
    SDK: /usr/local/share/dotnet/sdk/2.1.505/Sdks
    SDK Versions:
    2.1.505
    2.1.504
    2.1.503
    2.1.302
    2.1.4
    MSBuild SDKs: /Library/Frameworks/Mono.framework/Versions/5.18.1/lib/mono/msbuild/15.0/bin/Sdks

    Xamarin.Profiler
    Version: 1.6.9
    Location: /Applications/Xamarin Profiler.app/Contents/MacOS/Xamarin Profiler

    Updater
    Version: 11

    Apple Developer Tools
    Xcode 10.2.1 (14490.122)
    Build 10E1001

    Xamarin.Mac
    Version: 5.8.0.0 (Visual Studio Professional)
    Hash: 0aa84521
    Branch: d16-0
    Build date: 2019-04-02 16:01:19-0400

    Xamarin.iOS
    Version: 12.8.0.2 (Visual Studio Professional)
    Hash: f2248ae6
    Branch: d16-0
    Build date: 2019-04-23 11:59:04-0400

    Xamarin Designer
    Version: 4.17.4.418
    Hash: 3d086e814
    Branch: remotes/origin/d16-0
    Build date: 2019-04-01 09:20:10 UTC

    Xamarin.Android
    Version: 9.2.3.0 (Visual Studio Professional)
    Android SDK: /Users/brianadams/Library/Android/sdk
    Supported Android versions:
    4.4 (API level 19)
    5.0 (API level 21)
    5.1 (API level 22)
    6.0 (API level 23)
    7.0 (API level 24)
    7.1 (API level 25)
    8.0 (API level 26)
    8.1 (API level 27)

    SDK Tools Version: 26.1.1
    SDK Platform Tools Version: 28.0.1
    SDK Build Tools Version: 28.0.3

    Build Information: 
    Mono: mono/mono/2018-08-rc@5ac37ccd385
    Java.Interop: xamarin/java.interop/d16-0@c987483
    LibZipSharp: grendello/LibZipSharp/d16-1@44de300
    LibZip: nih-at/libzip/rel-1-5-1@b95cf3f
    MXE: xamarin/mxe/xamarin@b9cbb535
    ProGuard: xamarin/proguard/master@905836d
    SQLite: xamarin/sqlite/3.26.0@325e91a
    Xamarin.Android Tools: xamarin/xamarin-android-tools/d16-0@0a7edd6

    Microsoft Mobile OpenJDK
    Java SDK: /Users/brianadams/Library/Developer/Xamarin/jdk/microsoft_dist_openjdk_8.0.25
    1.8.0-25
    Android Designer EPL code available here:
    https://github.com/xamarin/AndroidDesigner.EPL

    Android Device Manager
    Version: 1.2.0.14
    Hash: 86df26f
    Branch: remotes/origin/d16-0
    Build date: 2019-05-16 16:08:28 UTC

    Xamarin Inspector
    Version: 1.4.3
    Hash: db27525
    Branch: 1.4-release
    Build date: Mon, 09 Jul 2018 21:20:18 GMT
    Client compatibility: 1

    Build Information
    Release ID: 800080002
    Git revision: b891fe614b73bbd65c22967fb111cbd830f7fcdd
    Build date: 2019-05-22 19:17:43+00
    Build branch: release-8.0
    Xamarin extensions: 62a26fe08bb2b9b5893bb0f46b1fc93994fd8c58

    Operating System
    Mac OS X 10.14.5
    Darwin 18.6.0 Darwin Kernel Version 18.6.0
        Thu Apr 25 23:16:27 PDT 2019
        root:xnu-4903.261.4~2/RELEASE_X86_64 x86_64

    Enabled user installed extensions
    MFractor 3.8.2

  2. Didi
    Admin
    Didi avatar
    243 posts

    Posted 27 May Link to this post

    Hello Brian,

    Thank you for the provided stack-trace.

    We have this issue logged in our Feedback portal and you can follow the item on the link below:

    https://feedback.telerik.com/xamarin/1410095-crash-when-upgrading-to-xamarin-forms-4-0

    Workaround:

    Currently the solution I could suggest is downgrade the Xamarin.Forms version to 3.6.0.264807 or higher version of 3.6

    Regards,
    Didi
    Progress Telerik
    Do you want to have your say when we set our development plans? Do you want to know when a feature you care about is added or when a bug fixed? Explore the Telerik Feedback Portal and vote to affect the priority of the items
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