C:\wamp64\www\common\messagebird\examples\group-remove-contact-from-group.php:11:
object(stdClass)[66]
  public 'errors' => 
    array (size=1)
      0 => 
        object(stdClass)[65]
          public 'code' => int 2
          public 'description' => string 'Request not allowed (incorrect access_key)' (length=42)
          public 'parameter' => string 'access_key' (length=10)