How to fix Error this class is not key value coding-compliant for the key tableView

Question

I made an app with Table View and Segmented Control  and this is my first time  I m using some code and some tutorials  but It s not working  When I run my app It s crashing and it s showing this Error in logs      MyApplication 4928 336085    Terminating app due to uncaught exception  NSUnknownKeyException   reason     setValue forUndefinedKey    this class is not key value coding-compliant for the key tableView       First throw call stack         0   CoreFoundation                      0x000000010516fd85   exceptionPreprocess   165    1   libobjc A dylib                     0x0000000105504deb objc exception throw   48    2   CoreFoundation                      0x000000010516f9c9 - NSException raise    9    3   Foundation                          0x000000010364e19b - NSObject NSKeyValueCoding  setValue forKey     288    4   UIKit                               0x0000000103c37d0c - UIViewController setValue forKey     88    5   UIKit                               0x0000000103e6e7fb - UIRuntimeOutletConnection connect    109    6   CoreFoundation                      0x00000001050a9890 - NSArray makeObjectsPerformSelector     224    7   UIKit                               0x0000000103e6d1de - UINib instantiateWithOwner options     1864    8   UIKit                               0x0000000103c3e8d6 - UIViewController  loadViewFromNibNamed bundle     381    9   UIKit                               0x0000000103c3f202 - UIViewController loadView    178    10  UIKit                               0x0000000103c3f560 - UIViewController loadViewIfRequired    138    11  UIKit                               0x0000000103c3fcd3 - UIViewController view    27    12  UIKit                               0x000000010440b024 -  UIFullscreenPresentationController  setPresentedViewController     87    13  UIKit                               0x0000000103c0f5ca - UIPresentationController initWithPresentedViewController presentingViewController     133    14  UIKit                               0x0000000103c525bb - UIViewController  presentViewController withAnimationController completion     4002    15  UIKit                               0x0000000103c5585c - UIViewController  performCoordinatedPresentOrDismiss animated     489    16  UIKit                               0x0000000103c5536b - UIViewController presentViewController animated completion     179    17  UIKit                               0x00000001041feb8d   67- UIStoryboardModalSegueTemplate newDefaultPerformHandlerForSegue   block invoke   243    18  UIKit                               0x00000001041ec630 - UIStoryboardSegueTemplate  performWithDestinationViewController sender     460    19  UIKit                               0x00000001041ec433 - UIStoryboardSegueTemplate  perform     82    20  UIKit                               0x00000001041ec6f7 - UIStoryboardSegueTemplate perform     156    21  UIKit                               0x0000000103aa6a8d - UIApplication sendAction to from forEvent     92    22  UIKit                               0x0000000103c19e67 - UIControl sendAction to forEvent     67    23  UIKit                               0x0000000103c1a143 - UIControl  sendActionsForEvents withEvent     327    24  UIKit                               0x0000000103c19263 - UIControl touchesEnded withEvent     601    25  UIKit                               0x0000000103b1999f - UIWindow  sendTouchesForEvent     835    26  UIKit                               0x0000000103b1a6d4 - UIWindow sendEvent     865    27  UIKit                               0x0000000103ac5dc6 - UIApplication sendEvent     263    28  UIKit                               0x0000000103a9f553  UIApplicationHandleEventQueue   6660    29  CoreFoundation                      0x0000000105095301  CFRUNLOOP IS CALLING OUT TO A SOURCE0 PERFORM FUNCTION    17    30  CoreFoundation                      0x000000010508b22c   CFRunLoopDoSources0   556    31  CoreFoundation                      0x000000010508a6e3   CFRunLoopRun   867    32  CoreFoundation                      0x000000010508a0f8 CFRunLoopRunSpecific   488    33  GraphicsServices                    0x000000010726dad2 GSEventRunModal   161    34  UIKit                               0x0000000103aa4f09 UIApplicationMain   171    35  Dhikr                               0x0000000101f26282 main   114    36  libdyld dylib                       0x00000001064c392d start   1       libc  abi dylib  terminating with uncaught exception of type NSException   The code that I used is    class ViewController  UIViewController  UITableViewDataSource  UITableViewDelegate    let foodList  String      Bread    Meat    Pizza    Other   let drinkList  String      Water    Soda    Juice    Other     IBOutlet weak var mySegmentedControl  UISegmentedControl   IBOutlet weak var myTableView  UITableView   override func viewDidLoad         super viewDidLoad          Do any additional setup after loading the view     func tableView tableView  UITableView  numberOfRowsInSection section  Int  - gt  Int        var returnValue   0      switch mySegmentedControl selectedSegmentIndex        case 0          returnValue   foodList count         break     case 1          returnValue   drinkList count         break     default          break            return returnValue    func tableView tableView  UITableView  cellForRowAtIndexPath indexPath  NSIndexPath  - gt  UITableViewCell       let myCell   tableView dequeueReusableCellWithIdentifier  myCells   forIndexPath  indexPath       switch mySegmentedControl selectedSegmentIndex        case 0          myCell textLabel  text   foodList indexPath row          break     case 1          myCell textLabel  text   drinkList indexPath row          break     default          break            return myCell     IBAction func segmentedControlActionChanged sender  AnyObject        myTableView reloadData         Here is main Storyboard    I checked the code many times  but it s not working  First I had to use only Table View  watching this tutorial  https   www youtube com watch v ABVLSF3Vqdg  I thought it will work to use Segmented Control as in tutorial  But still doesn t work  Same code  same error  Can someone help me

User · Accepted Answer

You have your storyboard set up to expect an outlet called tableView but the actual outlet name is myTableView.

If you delete the connection in the storyboard and reconnect to the right variable name, it should fix the problem.

User · Answer

Any chance that you changed the name of your table view from  tableView  to  myTableView  at some point

[swift] How to fix Error: this class is not key value coding-compliant for the key tableView.'

The answer is

Questions with swift tag:

Questions with uitableview tag:

Questions with uisegmentedcontrol tag:

Tags