Fatal error: Uncaught Error: Interface 'Symfony\Component\EventDispatcher\EventSubscriberInterface' not found in /home/code9media/fgt.code9media.com/vendor/symfony/http-kernel/EventListener/FragmentListener.php:34 Stack trace: #0 {main} thrown in /home/code9media/fgt.code9media.com/vendor/symfony/http-kernel/EventListener/FragmentListener.php on line 34