Thread 1: "[<xcodeBasicsRevisedPlus.SecondViewController 0x12b714030> setValue:forUndefinedKey:]: this class is not key value coding-compliant for the key onSubmitClick." ---- This is an error

class SecondViewController: UIViewController {     @IBOutlet weak var myNameTextField: UITextField!              @IBOutlet var myNameLabel: UIView!               override func viewDidLoad() {         super.viewDidLoad()         // Do any additional setup after loading the view.     }          @IBAction func onSubmitClick(_ sender: Any) {                  if(myNameTextField.text != ""){             myNameLabel.text=myNameTextField.text          }     }