Fatal error: Uncaught Error: Interface "Symfony\Component\EventDispatcher\EventSubscriberInterface" not found in /home/.sites/114/site713/web/energiepackung2024/vendor/shopware/core/System/Language/LanguageValidator.php:27
Stack trace:
#0 {main}
  thrown in /home/.sites/114/site713/web/energiepackung2024/vendor/shopware/core/System/Language/LanguageValidator.php on line 27