title: Could not find a storyboard named 'MainStoryboard_iPhone'
body: <p>I'm working on an application and everything was running in the iPhone and iPad simulator. But when was testing on the iPhone I received the following message:</p>
  
  <blockquote>
    <p>Could not find a storyboard named 'MainStoryboard_iPhone'</p>
  </blockquote>
  
  <p>But I can see and change the two Storyboards in Project Navigator. When I checked the Build Phases according to another question on SO, I found that there is something wrong but I don't know what to do. What is wrong?</p>
  
  <p>This is the Build Phases, which I believe have a problem:</p>
  
  <p><img src="https://i.stack.imgur.com/hfzyb.png" alt="screenshot"></p>
  
  <p>Thanks in advance.</p>