当我运行我的应用程序时，它会产生 Thread 1: signal SIGBART 错误消息，详细信息如下：
TappingGame[767:9324] *** Terminating app due to uncaught exception 'NSUnknownKeyException', reason: '[<ViewController 0x7fe5d0f12130> setValue:forUndefinedKey:]: this class is not key value coding-compliant for the key tapButton.'
*** First throw call stack:
(
0 CoreFoundation 0x000000010b07ee65 __exceptionPreprocess + 165
1 libobjc.A.dylib 0x000000010aaf7deb objc_exception_throw + 48
2 CoreFoundation 0x000000010b07eaa9 -[NSException raise] + 9
3 Foundation 0x000000010a6c49bb -[NSObject(NSKeyValueCoding) setValue:forKey:] + 288
4 UIKit 0x000000010b5ba320 -[UIViewController setValue:forKey:] + 88
5 UIKit 0x000000010b7e8f41 -[UIRuntimeOutletConnection connect] + 109
6 CoreFoundation 0x000000010afbf4a0 -[NSArray makeObjectsPerformSelector:] + 224
7 UIKit 0x000000010b7e7924 -[UINib instantiateWithOwner:options:] + 1864
8 UIKit 0x000000010b5c0eea -[UIViewController _loadViewFromNibNamed:bundle:] + 381
9 UIKit 0x000000010b5c1816 -[UIViewController loadView] + 178
10 UIKit 0x000000010b5c1b74 -[UIViewController loadViewIfRequired] + 138
11 UIKit 0x000000010b5c22e7 -[UIViewController view] + 27
12 UIKit 0x000000010b498ab0 -[UIWindow addRootViewControllerViewIfPossible] + 61
13 UIKit 0x000000010b499199 -[UIWindow _setHidden:forced:] + 282
14 UIKit 0x000000010b4aac2e -[UIWindow makeKeyAndVisible] + 42
15 UIKit 0x000000010b423663 -[UIApplication _callInitializationDelegatesForMainScene:transitionContext:] + 4131
16 UIKit 0x000000010b429cc6 -[UIApplication _runWithMainScene:transitionContext:completion:] + 1760
17 UIKit 0x000000010b426e7b -[UIApplication workspaceDidEndTransaction:] + 188
18 FrontBoardServices 0x000000010ddf7754 -[FBSSerialQueue _performNext] + 192
19 FrontBoardServices 0x000000010ddf7ac2 -[FBSSerialQueue _performNextFromRunLoopSource] + 45
20 CoreFoundation 0x000000010afaaa31 __CFRUNLOOP_IS_CALLING_OUT_TO_A_SOURCE0_PERFORM_FUNCTION__ + 17
21 CoreFoundation 0x000000010afa095c __CFRunLoopDoSources0 + 556
22 CoreFoundation 0x000000010af9fe13 __CFRunLoopRun + 867
23 CoreFoundation 0x000000010af9f828 CFRunLoopRunSpecific + 488
24 UIKit 0x000000010b4267cd -[UIApplication _run] + 402
25 UIKit 0x000000010b42b610 UIApplicationMain + 171
26 TappingGame 0x000000010a5f89ef main + 111
27 libdyld.dylib 0x000000010d7ba92d start + 1
)
libc++abi.dylib: terminating with uncaught exception of type NSException
(lldb)
我查看了其他问题，但这些解决方案都不起作用。有没有人从列出的错误中知道为什么它不起作用？
谢谢
