title: Unable to run app in Simulator Xcode 6.1
body: <p>I'm getting an error message while trying to run an application developed in Xcode 5.1 iOS 7.1 on Xcode 6.1 for iOS 8.0. The error state that <strong>'Unable to run app in Simulator</strong>' as show in below screenshot.</p>
  
  <p>I have tried below mentioned solution but none seems to work :</p>
  
  <ul>
  <li><strong>Reset the content of simulator</strong>  </li>
  <li><strong>Rebooted mac</strong> after installing Xcode 6.1.</li>
  <li>Xcode -> Preference -> Locations -> <strong>Command Line Tools</strong> : Changed
  Xcode 5.1.1 to 6.1</li>
  </ul>
  
  <p>What might be fix?</p>
  
  <p><img src="https://i.stack.imgur.com/lLLFz.png" alt="Screenshot"></p>
  
  <p><img src="https://i.stack.imgur.com/6jrV9.png" alt="Screenshot for solution 2"></p>
  
  <p><img src="https://i.stack.imgur.com/0Bo5Y.png" alt="Solution 3 tried"></p>