title: Missing Developer ID Application signing identity for (null)
body: <p>While trying to export a Developer ID Signed Mac application with Xcode I run into this error: "Missing Developer ID Application signing identity for (null)"  How do I resolve this?</p>
  
  <p><a href="https://i.stack.imgur.com/AnivS.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/AnivS.png" alt="enter image description here"></a></p>