Fatal error: Uncaught Error: Interface 'Symfony\Component\EventDispatcher\EventSubscriberInterface' not found in /home/lafaamicps/www/symfony/vendor/friendsofsymfony/comment-bundle/FOS/CommentBundle/EventListener/ClosedThreadListener.php:24 Stack trace: #0 {main} thrown in /home/lafaamicps/www/symfony/vendor/friendsofsymfony/comment-bundle/FOS/CommentBundle/EventListener/ClosedThreadListener.php on line 24