title: Xcode 8 Beta (null) was unable to service the request
body: <p>I have an app that worked fine in the released version of Xcode. I downloaded the beta and after I fixed all the little changes I ran it and it worked. I just came back and ran it again and I get an error saying </p>
  
  <blockquote>
    <p>The request to open "com.matthewhsingleton.Smoke" failed .   (null) was unable to service the request.</p>
  </blockquote>
  
  <p><a href="https://i.stack.imgur.com/CNwYZ.png" rel="noreferrer"><img src="https://i.stack.imgur.com/CNwYZ.png" alt="enter image description here"></a></p>
  
  <p>I have quit Xcode and reopened it, I have restarted my computer, tried different iPhone simulators and all produce the same resulte</p>