Sb help me...

2018-02-06 15:34:19.101040+0330 Login[1962:83562] *** Terminating app due to uncaught exception 'NSUnknownKeyException', reason: '[<Login.ViewController 0x7fa6ecd08bc0> setValue:forUndefinedKey:]: this class is not key value coding-compliant for the key loginButtonTapped.'

*** First throw call stack:

(

0 CoreFoundation 0x000000010b04712b __exceptionPreprocess + 171

1 libobjc.A.dylib 0x00000001072a5f41 objc_exception_throw + 48

2 CoreFoundation 0x000000010b047079 -[NSException raise] + 9

3 Foundation 0x0000000106cc4a63 -[NSObject(NSKeyValueCoding) setValue:forKey:] + 292

4 UIKit 0x00000001081e6117 -[UIViewController setValue:forKey:] + 87

5 UIKit 0x00000001084d7c2d -[UIRuntimeOutletConnection connect] + 109

6 CoreFoundation 0x000000010afea3cd -[NSArray makeObjectsPerformSelector:] + 317

7 UIKit 0x00000001084d65e3 -[UINib instantiateWithOwner:options:] + 1856

8 UIKit 0x00000001081ed3ff -[UIViewController _loadViewFromNibNamed:bundle:] + 383

9 UIKit 0x00000001081edd2b -[UIViewController loadView] + 177

10 UIKit 0x00000001081ee05c -[UIViewController loadViewIfRequired] + 195

11 UIKit 0x0000000108235ffc -[UINavigationController _updateScrollViewFromViewController:toViewController:] + 68

12 UIKit 0x0000000108236338 -[UINavigationController _startTransition:fromViewController:toViewController:] + 153

13 UIKit 0x000000010823744f -[UINavigationController _startDeferredTransitionIfNeeded:] + 841

14 UIKit 0x00000001082386d3 -[UINavigationController __viewWillLayoutSubviews] + 150

15 UIKit 0x00000001084934e2 -[UILayoutContainerView layoutSubviews] + 231

16 UIKit 0x0000000108117a6d -[UIView(CALayerDelegate) layoutSublayersOfLayer:] + 1439

17 QuartzCore 0x000000010e5a061c -[CALayer layoutSublayers] + 159

18 QuartzCore 0x000000010e5a47ad _ZN2CA5Layer16layout_if_neededEPNS_11TransactionE + 401

19 QuartzCore 0x000000010e52b86c _ZN2CA7Context18commit_transactionEPNS_11TransactionE + 364

20 QuartzCore 0x000000010e558946 _ZN2CA11Transaction6commitEv + 500

21 UIKit 0x000000010806126a __34-[UIApplication _firstCommitBlock]_block_invoke_2 + 141

22 CoreFoundation 0x000000010afea05c __CFRUNLOOP_IS_CALLING_OUT_TO_A_BLOCK__ + 12

23 CoreFoundation 0x000000010afce83b __CFRunLoopDoBlocks + 203

24 CoreFoundation 0x000000010afce014 __CFRunLoopRun + 1300

25 CoreFoundation 0x000000010afcd889 CFRunLoopRunSpecific + 409

26 GraphicsServices 0x000000010d7489c6 GSEventRunModal + 62

27 UIKit 0x00000001080465d6 UIApplicationMain + 159

28 Login 0x0000000106990c57 main + 55

29 libdyld.dylib 0x000000010c15fd81 start + 1

30 ??? 0x0000000000000001 0x0 + 1

)

libc++abi.dylib: terminating with uncaught exception of type NSException

----------------------------------------------------------------------------------------

I have such these problems a lot... I have no idea how to fix them. I delete the project and recreat a new one! I do everything that I did again and again....

Replies

A quick glance suggests that you have something called "loginButtonTapped" and that is connected to something in the XIB flile that it should not be connected to or you have it labeled a particular type of IBOutlet that is wrong.

.