title: Unable to upload Development APNs certificate
body: <p>I'm unable to upload the Dev APNs Certificate for cloud messaging, all I get is the error:</p>
  <blockquote>
  <p>There was an unknown error while processing the request. Try again.</p>
  </blockquote>
  <p>I've tried on different accounts and on different projects. Earlier today it seemed to be working fine.</p>