Fatal error: Uncaught Error: Interface "Symfony\Component\EventDispatcher\EventSubscriberInterface" not found in /home/www/aes-demo/api-8.0.0#316/src/EventSubscriber/LogoutHandlerSubscriber.php:15 Stack trace: #0 {main} thrown in /home/www/aes-demo/api-8.0.0#316/src/EventSubscriber/LogoutHandlerSubscriber.php on line 15