Released app crashes on restart.

On downloading the app from app store everything works But, when I close the running app and launced it and it crashes.

The app works fine in test environment and on appceter where it was tested but crashes on the restart of the app.

On Examing the crash logs on xcode these are the logs which are hard to interpret. The crash log tool does not catch any crashes as well. The app is written in Xamarin.

Does anyone have any suggestions? It is working fine on all my devices and on simulators. Here are some logs from the crash log.

30 UIKitCore 0x1c1bf1a50 -[UIApplication _handleDelegateCallbacksWithOptions:isSuspended:restoreState:] + 300 31 UIKitCore 0x1c1bf1174 -[UIApplication _callInitializationDelegatesWithActions:forCanvas:payload:fromOriginatingProcess:] + 2848 32 UIKitCore 0x1c1bf0150 -[UIApplication _runWithMainScene:transitionContext:completion:] + 856 33 UIKitCore 0x1c1befd9c -[_UISceneLifecycleMultiplexer completeApplicationLaunchWithFBSScene:transitionContext:] + 132 34 UIKitCore 0x1c1935e74 _UIScenePerformActionsWithLifecycleActionMask + 108 35 UIKitCore 0x1c1c77d78 __101-[_UISceneLifecycleMultiplexer _evalTransitionToSettings:fromSettings:forceExit:withTransitionStore:]_block_invoke + 216 36 UIKitCore 0x1c1b28adc -[_UISceneLifecycleMultiplexer _performBlock:withApplicationOfDeactivationReasons:fromReasons:] + 220 37 UIKitCore 0x1c1b28904 -[_UISceneLifecycleMultiplexer _evalTransitionToSettings:fromSettings:forceExit:withTransitionStore:] + 620 38 UIKitCore 0x1c1b284b4 -[_UISceneLifecycleMultiplexer uiScene:transitionedFromState:withTransitionContext:] + 252 39 UIKitCore 0x1c1b28380 __186-[_UIWindowSceneFBSSceneTransitionContextDrivenLifecycleSettingsDiffAction _performActionsForUIScene:withUpdatedFBSScene:settingsDiff:fromSettings:transitionContext:lifecycleActionType:]_block_invoke + 148 40 UIKitCore 0x1c220c56c +[BSAnimationSettings(UIKit) tryAnimatingWithSettings:fromCurrentState:actions:completion:] + 736 41 UIKitCore 0x1c22a6568 _UISceneSettingsDiffActionPerformChangesWithTransitionContextAndCompletion + 224 42 UIKitCore 0x1c19d4374 -[_UIWindowSceneFBSSceneTransitionContextDrivenLifecycleSettingsDiffAction _performActionsForUIScene:withUpdatedFBSScene:settingsDiff:fromSettings:transitionContext:lifecycleActionType:] + 316 43 UIKitCore 0x1c1e47294 __64-[UIScene scene:didUpdateWithDiff:transitionContext:completion:]_block_invoke.214 + 556 44 UIKitCore 0x1c1aa69a0 -[UIScene _emitSceneSettingsUpdateResponseForCompletion:afterSceneUpdateWork:] + 216 45 UIKitCore 0x1c1aa6810 -[UIScene scene:didUpdateWithDiff:transitionContext:completion:] + 244 46 UIKitCore 0x1c1aa5d64 -[UIApplication workspace:didCreateScene:withTransitionContext:completion:] + 520 47 UIKitCore 0x1c1aa5af0 -[UIApplicationSceneClientAgent scene:didInitializeWithEvent:completion:] + 288 48 FrontBoardServices 0x1d5444e90 -[FBSScene _callOutQueue_agent_didCreateWithTransitionContext:completion:] + 344 49 FrontBoardServices 0x1d54848f8 __92-[FBSWorkspaceScenesClient createSceneWithIdentity:parameters:transitionContext:completion:]_block_invoke.78 + 120 50 FrontBoardServices 0x1d5448c24 -[FBSWorkspace _calloutQueue_executeCalloutFromSource:withBlock:] + 168 51 FrontBoardServices 0x1d5484530 __92-[FBSWorkspaceScenesClient createSceneWithIdentity:parameters:transitionContext:completion:]_block_invoke + 360 52 libdispatch.dylib 0x1c6ce4f88 _dispatch_client_callout + 20 53 libdispatch.dylib 0x1c6ce8a08 _dispatch_block_invoke_direct + 264 54 FrontBoardServices 0x1d5452d40 FBSSERIALQUEUE_IS_CALLING_OUT_TO_A_BLOCK + 52 55 FrontBoardServices 0x1d54528dc -[FBSSerialQueue _targetQueue_performNextIfPossible] + 220 56 FrontBoardServices 0x1d5455184 -[FBSSerialQueue _performNextFromRunLoopSource] + 28 57 CoreFoundation 0x1bf798f24 CFRUNLOOP_IS_CALLING_OUT_TO_A_SOURCE0_PERFORM_FUNCTION + 28 58 CoreFoundation 0x1bf7a52fc __CFRunLoopDoSource0 + 176 59 CoreFoundation 0x1bf7291c0 __CFRunLoopDoSources0 + 244 60 CoreFoundation 0x1bf73eb7c __CFRunLoopRun + 836 61 CoreFoundation 0x1bf743eb0 CFRunLoopRunSpecific + 612 62 GraphicsServices 0x1f9939368 GSEventRunModal + 164 63 UIKitCore 0x1c1c39668 -[UIApplication _run] + 888 64 UIKitCore 0x1c1c392cc UIApplicationMain + 340

This issue was resolved in the next update

Released app crashes on restart.
 
 
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