Fatal error: Uncaught Error: Class "Facebook\GraphNodes\Collection" not found in /home/deafxky6/deafswipe.com/application/libraries/authentication/facebook/GraphNodes/GraphNode.php:31 Stack trace: #0 {main} thrown in /home/deafxky6/deafswipe.com/application/libraries/authentication/facebook/GraphNodes/GraphNode.php on line 31