Thread 0 Crashed: 20 libsystem_kernel.dylib 0x00000001f58df4c4 __abort_with_payload + [ : 8] 31 libsystem_kernel.dylib 0x00000001f5901bf0 abort_with_payload_wrapper_internal + [ : 104] 42 libsystem_kernel.dylib 0x00000001f5901b88 abort_with_payload_wrapper_internal 53 libobjc.A.dylib 0x00000001b0f6fa5c _objc_fatalv(unsigned long long, unsigned long long, char const*, char*) + [ : 116] 64 libobjc.A.dylib 0x00000001b0f6f9e8 _objc_fatalv(unsigned long long, unsigned long long, char const*, char*) 75 libobjc.A.dylib 0x00000001b0f42c24 weak_register_no_lock + [ : 392] 86 libobjc.A.dylib 0x00000001b0f485b0 objc_initWeak + [ : 436] 97 UIKitCore 0x00000001ba0fcde0 -[UIViewController viewDidMoveToWindow:shouldAppearOrDisappear:] + [ : 776] 108 UIKitCore 0x00000001b9fa5094 -[UIView(Internal) _didMoveFromWindow:toWindow:] + [ : 1232] 119 UIKitCore 0x00000001ba05b350 __45-[UIView(Hierarchy) _postMovedFromSuperview:]_block_invoke + [ : 112] 1210 CoreAutoLayout 0x00000001d4838e90 -[NSISEngine withBehaviors:performModifications:] + [ : 84] 1311 UIKitCore 0x00000001bafc7d40 -[UIView _postMovedFromSuperview:] + [ : 672] 1412 UIKitCore 0x00000001b9fa5fec -[UIView(Internal) _addSubview:positioned:relativeTo:] + [ : 1904] 1513 UIKitCore 0x00000001ba48d8e0 -[_UIKBCompatInputView addSubview:] + [ : 52] 1614 UIKitCore 0x00000001ba36d718 -[UICompatibilityInputViewController setInputMode:] + [ : 1028] 1715 UIKitCore 0x00000001ba48e528 -[UICompatibilityInputViewController shouldUpdateInputMode:] + [ : 228] 1816 CoreFoundation 0x00000001b7dea3b4 CFNOTIFICATIONCENTER_IS_CALLING_OUT_TO_AN_OBSERVER + [ : 148] 28 UIKitCore 0x00000001ba493f08 -[UIKeyboardTaskQueue performSingleTask:] + [ : 96] 3129 UIKitCore 0x00000001bab129e0 -[UIKeyboardImpl setInputMode:userInitiated:] + [ : 328] 3230 UIKitCore 0x00000001ba9dc758 -[UIKeyboardInputModeController _setCurrentInputMode:force:] + [ : 240] 3331 UIKitCore 0x00000001ba9e0304 -[UIKeyboardInputModeController switchToCurrentSystemInputMode] + [ : 52] 3432 UIKitCore 0x00000001baa020a8 -[UICompatibilityInputViewController resetInputModeInMainThread] + [ : 156] 3533 libdispatch.dylib 0x00000001bf3d3460 _dispatch_call_block_and_release + [ : 32] 3634 libdispatch.dylib 0x00000001bf3d4f88 _dispatch_client_callout + [ : 20] 3735 libdispatch.dylib 0x00000001bf3e37f4 _dispatch_main_queue_drain + [ : 928] 3836 libdispatch.dylib 0x00000001bf3e3444 _dispatch_main_queue_callback_4CF + [ : 44] 3937 CoreFoundation 0x00000001b7e4d6c8 CFRUNLOOP_IS_SERVICING_THE_MAIN_DISPATCH_QUEUE + [ : 16] 4038 CoreFoundation 0x00000001b7e2f02c __CFRunLoopRun + [ : 2036] 4139 CoreFoundation 0x00000001b7e33eb0 CFRunLoopRunSpecific + [ : 612] 4240 GraphicsServices 0x00000001f2029368 GSEventRunModal + [ : 164] 4341 UIKitCore 0x00000001ba329668 -[UIApplication _run] + [ : 888] 4442 UIKitCore 0x00000001ba3292cc UIApplicationMain + [ : 340] 4543 KYE_iOS 0x0000000104474848 0x1043e0000 + 608328 4644 (null) 0x00000001d672c960 0x0 + 7892814176