Fatal error: Uncaught Error: Class "Symfony\Component\EventDispatcher\EventDispatcher" not found in /home/qooetu/costes.qooetu.com/vendor/symfony/event-dispatcher/ContainerAwareEventDispatcher.php:26 Stack trace: #0 {main} thrown in /home/qooetu/costes.qooetu.com/vendor/symfony/event-dispatcher/ContainerAwareEventDispatcher.php on line 26