title: unrecognized selector sent to instance
body: <p>I setup my dataProvider Object in the storyboard
  <a href="https://i.stack.imgur.com/XDZqo.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/XDZqo.png" alt="enter image description here"></a></p>
  
  <p>link it in the storyboard I get an error when i run it.</p>
  
  <p>[TableApp.ItemListViewController tableView:numberOfRowsInSection:]: unrecognized selector sent to instance 0x7f84f6803a70'</p>
  
  <p>but it is okay when it do it in code inside my ViewDidLoad</p>
  
  <p>I could not figure out why please help me understand.</p>