Forum Xamarin.Forms

Application windows are expected to have a root view controller at the end of application launch!

SheemuSheemu USMember ✭✭✭

Suddenly it's coming in xamarin Forms project in the case of iOS build.

guys have you any idea!

Objective-C exception thrown. Name: NSInternalInconsistencyException Reason: Application windows are expected to have a root view controller at the end of application launch

Native stack trace:
0 CoreFoundation 0x00007fff23c4f02e exceptionPreprocess + 350
1 libobjc.A.dylib 0x00007fff50b97b20 objc_exception_throw + 48
2 CoreFoundation 0x00007fff23c4eda8 +[NSException raise:format:arguments:] + 88
3 Foundation 0x00007fff256c9b61 -[NSAssertionHandler handleFailureInMethod:object:file:lineNumber:description:] + 191
4 UIKitCore 0x00007fff4784e0e8 -[UIApplication _runWithMainScene:transitionContext:completion:] + 2307
5 UIKitCore 0x00007fff46f843c9 -[_UISceneLifecycleMultiplexer completeApplicationLaunchWithFBSScene:transitionContext:] + 122
6 UIKitCore 0x00007fff47471be1 _UIScenePerformActionsWithLifecycleActionMask + 83
7 UIKitCore 0x00007fff46f84edb __101-[_UISceneLifecycleMultiplexer _evalTransitionToSettings:fromSettings:forceExit:withTransitionStore:]_block_invoke + 198
8 UIKitCore 0x00007fff46f848ea -[_UISceneLifecycleMultiplexer _performBlock:withApplicationOfDeactivationReasons:fromReasons:] + 296
9 UIKitCore 0x00007fff46f84d08 -[_UISceneLifecycleMultiplexer _evalTransitionToSettings:fromSettings:forceExit:withTransitionStore:] + 818
10 UIKitCore 0x00007fff46f8459d -[_UISceneLifecycleMultiplexer uiScene:transitionedFromState:withTransitionContext:] + 345
11 UIKitCore 0x00007fff46f88bcb __186-[_UIWindowSceneFBSSceneTransitionContextDrivenLifecycleSettingsDiffAction _performActionsForUIScene:withUpdatedFBSScene:settingsDiff:fromSettings:transitionContext:lifecycleActionType:]_block_invoke_2 + 178
12 UIKitCore 0x00007fff4739769b +[BSAnimationSettings(UIKit) tryAnimatingWithSettings:actions:completion:] + 865
13 UIKitCore 0x00007fff4749051f _UISceneSettingsDiffActionPerformChangesWithTransitionContext + 240
14 UIKitCore 0x00007fff46f888e6 __186-[_UIWindowSceneFBSSceneTransitionContextDrivenLifecycleSettingsDiffAction _performActionsForUIScene:withUpdatedFBSScene:settingsDiff:fromSettings:transitionContext:lifecycleActionType:]_block_invoke + 153
15 UIKitCore 0x00007fff47490422 _UISceneSettingsDiffActionPerformActionsWithDelayForTransitionContext + 84
16 UIKitCore 0x00007fff46f88754 -[_UIWindowSceneFBSSceneTransitionContextDrivenLifecycleSettingsDiffAction _performActionsForUIScene:withUpdatedFBSScene:settingsDiff:fromSettings:transitionContext:lifecycleActionType:] + 381
17 UIKitCore 0x00007fff46ddf123 __64-[UIScene scene:didUpdateWithDiff:transitionContext:completion:]_block_invoke + 657
18 UIKitCore 0x00007fff46dddca8 -[UIScene _emitSceneSettingsUpdateResponseForCompletion:afterSceneUpdateWork:] + 248
19 UIKitCore 0x00007fff46ddee4d -[UIScene scene:didUpdateWithDiff:transitionContext:completion:] + 210
20 UIKitCore 0x00007fff4784c343 -[UIApplication workspace:didCreateScene:withTransitionContext:completion:] + 535
21 UIKitCore 0x00007fff473b920d -[UIApplicationSceneClientAgent scene:didInitializeWithEvent:completion:] + 361
22 FrontBoardServices 0x00007fff36555225 -[FBSSceneImpl _callOutQueue_agent_didCreateWithTransitionContext:completion:] + 442
23 FrontBoardServices 0x00007fff3657b598 __86-[FBSWorkspaceScenesClient sceneID:createWithParameters:transitionContext:completion:]_block_invoke.154 + 102
24 FrontBoardServices 0x00007fff3655fd05 -[FBSWorkspace _calloutQueue_executeCalloutFromSource:withBlock:] + 220
2019-12-06 19:00:47.199089+0530 DriverApp.iOS[14189:344185]
25 FrontBoardServices 0x00007fff3657b229 __86-[FBSWorkspaceScenesClient sceneID:createWithParameters:transitionContext:completion:]_block_invoke + 355
26 libdispatch.dylib 0x00007fff519de7b9 _dispatch_client_callout + 8
27 libdispatch.dylib 0x00007fff519e11d1 _dispatch_block_invoke_direct + 285
28 FrontBoardServices 0x00007fff365a143e __FBSSERIALQUEUE_IS_CALLING_OUT_TO_A_BLOCK
+ 30
29 FrontBoardServices 0x00007fff365a112c -[FBSSerialQueue _queue_performNextIfPossible] + 441
30 FrontBoardServices 0x00007fff365a163b -[FBSSerialQueue _performNextFromRunLoopSource] + 22
31 CoreFoundation 0x00007fff23bb2221 CFRUNLOOP_IS_CALLING_OUT_TO_A_SOURCE0_PERFORM_FUNCTION + 17
32 CoreFoundation 0x00007fff23bb214c __CFRunLoopDoSource0 + 76
33 CoreFoundation 0x00007fff23bb1924 __CFRunLoopDoSources0 + 180
34 CoreFoundation 0x00007fff23bac62f __CFRunLoopRun + 1263
35 CoreFoundation 0x00007fff23babe16 CFRunLoopRunSpecific + 438
36 GraphicsServices 0x00007fff38438bb0 GSEventRunModal + 65
37 UIKitCore 0x00007fff4784fb48 UIApplicationMain + 1621
38 ??? 0x0000000110a348f2 0x0 + 4574103794
39 ??? 0x0000000110921823 0x0 + 4572977187
40 ??? 0x000000011011afcb 0x0 + 4564561867
41 ??? 0x000000011011b2a9 0x0 + 4564562601
42 DriverApp.iOS 0x00000001093619f5 mono_jit_runtime_invoke + 1589
43 DriverApp.iOS 0x000000010948dd07 mono_runtime_invoke_checked + 135
44 DriverApp.iOS 0x000000010949418c mono_runtime_exec_main_checked + 108
45 DriverApp.iOS 0x00000001092c14c2 mono_jit_exec + 370
46 DriverApp.iOS 0x00000001095bf16e xamarin_main + 2702
47 DriverApp.iOS 0x000000010927bf47 main + 71
48 libdyld.dylib 0x00007fff51a1dc25 start + 1

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