title: App Crash "Storyboard doesn't contain a view controller with identifier" on uibutton click
body: <p>App crashed with following log: </p>
  
  <blockquote>
    <p>*** Terminating app due to uncaught exception 'NSInvalidArgumentException', reason: 'Storyboard () doesn't contain a view controller with identifier
    'CheckController'</p>
  </blockquote>
  
  <p>My Code is: </p>
  
  <pre><code>-(IBAction)ClkAddToCart:(id)sender
  {
      checkViewController *Obj = [self.storyboard instantiateViewControllerWithIdentifier:@"CheckController"];
      [self.navigationController pushViewController:Obj animated:YES];
  }
  </code></pre>
  
  <p>In other pages it's working but not in this controller.</p>
  
  <p>I have already set the Identifier in my storyboard as shown below:</p>
  
  <p><a href="https://i.stack.imgur.com/TfovB.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/TfovB.png" alt="enter image description here"></a></p>