title: Unknown error on Facebook Messenger after upgrade to xcode8
body: <p>Iam currently using the following code with proper LSApplicationQueriesSchemes.
  NSString *customURL = @"fb-messenger://";</p>
  
  <pre><code>if ([[UIApplication sharedApplication] canOpenURL:[NSURL URLWithString:customURL]])
  {
  
      [FBSDKMessengerSharer shareImage:cropped withOptions:nil];
  
  }
  </code></pre>
  
  <p>The same code is working with xcode7 but not xcode8.</p>
  
  <p>The messenger is populated with image but on clicking send "unknown error sorry something went wrong" message is displayed.</p>
  
  <p>Requesting help as soon as possible.</p>