Fatal error: Uncaught Error: Interface "Symfony\Component\EventDispatcher\EventSubscriberInterface" not found in /home/amper418/shopv2.amperio.ch/vendor/shopware/core/System/Language/TranslationValidator.php:25 Stack trace: #0 {main} thrown in /home/amper418/shopv2.amperio.ch/vendor/shopware/core/System/Language/TranslationValidator.php on line 25