title: OAuthException: (#100) picture URL is not properly formatted
body: <p>From last few week I have been getting:</p>
  
  <pre><code>OAuthException: (#100) picture URL is not properly formatted
  </code></pre>
  
  <p>for some posts. The behaviour is inconsistent.</p>
  
  <p>I am using <a href="https://developers.facebook.com/docs/reference/api/">Facebook's Graph API</a>. I can't think of anything in my code that could warrant this behaviour.</p>