title: Xcode "The private key for is not installed on this mac - distributing"
body: <p>I always get this message when I try to submit my app to the app store.</p>
  
  <p>Here is a picture of the message:</p>
  
  <p><img src="https://i.stack.imgur.com/0LvhN.png" alt="picture"></p>
  
  <p>It would be great if someone could help me resolve that problem so I can submit my app to the store.</p>