title: No type or protocol named wkextensiondelegate
body: <p>i am going to update my existing project from IOS 7.0 to 9.1 with watch app extension through
  File -> New -> Target -> Watch kit app.</p>
  
  <p>it will added watch app extension in to main bundle with some files and watch storyboard.</p>
  
  <p>my problem is when i run watch app it gives me error <code>"No type or protocol named wkextensiondelegate"</code></p>
  
  <p>see in my screenshot
  <a href="https://i.stack.imgur.com/oxKp9.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/oxKp9.png" alt="enter image description here"></a></p>
  
  <p>i have added watchkit.framework to project -> Target -> build phase -> Link Binary With Libraries.</p>
  
  <p>Thank you in advance.</p>