Fatal error: Uncaught Error: Interface 'Symfony\Component\EventDispatcher\EventSubscriberInterface' not found in /home/benjamincb/demos/acdg-site/vendor/friendsofsymfony/http-cache-bundle/src/EventListener/SwitchUserListener.php:19 Stack trace: #0 {main} thrown in /home/benjamincb/demos/acdg-site/vendor/friendsofsymfony/http-cache-bundle/src/EventListener/SwitchUserListener.php on line 19