crash

[meiziteacher]

Terminating app due to uncaught exception 'NSInternalInconsistencyException', reason: 'View has lost track of its superview, most likely through unsupported use of CALayer API on the view's layer. If this isn't a crash yet, it will be in the near future. Problem view: <UIToolbar: 0x7fbc007107f0; frame = (0 0; 1024 1366); opaque = NO; layer = <CALayer: 0x60000003bbe0>> Expected parent: <JWBlurView: 0x7fbc00710210; frame = (0 0; 1024 1366); clipsToBounds = YES; autoresize = W+H; tag = 351303; animations = { opacity=<CABasicAnimation: 0x608000428f00>; }; layer = <CALayer: 0x60000003bca0>> Break on UIViewReportBrokenSuperviewChain to debug.' *** First throw call stack: ( 0 CoreFoundation 0x00000001015a2b0b __exceptionPreprocess + 171 1 libobjc.A.dylib 0x0000000100bf3141 objc_exception_throw + 48 2 CoreFoundation 0x00000001015a6cf2 +[NSException raise:format:arguments:] + 98 3 Foundation 0x00000001007c269b -[NSAssertionHandler handleFailureInFunction:file:lineNumber:description:] + 165 4 UIKit 0x000000010249aa83 UIViewReportBrokenSuperviewChain + 491 5 UIKit 0x000000010249b160 _UIViewTopDownSubtreeTraversal + 1534 6 UIKit 0x00000001025d193b -[UIViewController _setPresentationController:] + 128 7 UIKit 0x00000001025c940c -[UIViewController _presentViewController:modalSourceViewController:presentationController:animationController:interactionController:completion:] + 1320 8 UIKit 0x00000001025cafae -[UIViewController _presentViewController:withAnimationController:completion:] + 4660 9 UIKit 0x00000001025cde8a -[UIViewController _performCoordinatedPresentOrDismiss:animated:] + 532 10 UIKit 0x00000001025cd962 -[UIViewController presentViewController:animated:completion:] + 181 11 Poker2048 0x00000001002ee0ed -[PokerGameViewController followUp] + 893 12 Poker2048 0x00000001002ed96d __43-[PokerGameViewController downButtonTapped]_block_invoke + 61 13 Poker2048 0x00000001002dfb85 __59-[PokerGameManager performMoveInDirection:completionBlock:]_block_invoke + 389 14 libdispatch.dylib 0x000000010934f4a6 _dispatch_call_block_and_release + 12 15 libdispatch.dylib 0x000000010937805c _dispatch_client_callout + 8 16 libdispatch.dylib 0x000000010935940b _dispatch_main_queue_callback_4CF + 411 17 CoreFoundation 0x0000000101567909 CFRUNLOOP_IS_SERVICING_THE_MAIN_DISPATCH_QUEUE + 9 18 CoreFoundation 0x000000010152dae4 __CFRunLoopRun + 2164 19 CoreFoundation 0x000000010152d016 CFRunLoopRunSpecific + 406 20 GraphicsServices 0x0000000105b1ca24 GSEventRunModal + 62 21 UIKit 0x0000000102415134 UIApplicationMain + 159 22 Poker2048 0x00000001002e906f main + 111 23 libdyld.dylib 0x00000001093c465d start + 1 ) libc++abi.dylib: terminating with uncaught exception of type NSException