UILabel
与一个IBOutlet
连接起来。我的应用程序崩溃并显示以下错误:
***
Terminating app due to uncaught exception
'NSUnknownKeyException', reason:
'[<UIViewController 0x6e36ae0> setValue:forUndefinedKey:]:
this class is not key value coding-compliant for the key XXX.'
这是什么意思,我该如何修复?