title: Pushing a navigation controller is not supported- performing segues
body: <p>I created a new navigation controller in my storyboard (not programmatically!) and set it to be "Root View Controller" to a regular UIViewController and added a button in it which says- forward to the next view controller (this second view controller is a view controller which I want that will have a back button to link to the initial view controller).
  Now, whenever I try to link the button to the next view controller- "Pushing a navigation controller is not supported".</p>
  
  <p>Help me please, and thanks</p>
  
  <p>EDIT:
  I accidentally subclassed UINavigationController, and not UIViewController in my class.
  Thank you anyway. </p>