title: Class not found, using default NSManagedObject instead
body: <p>I have a problem with core data in IOS 8. Whenever I want to use the <code>insertNewObjectForEntityForName</code> method, I get the </p>
  
  <blockquote>
    <p>Class not found, using default NSManagedObject instead.</p>
  </blockquote>
  
  <p>Error message. I use objective-c, and I did not had this problem using IOS 7. Also could there be any problem because in my workspace there are two projects, one containing the core data relating code, and the other the UI.</p>