Fatal error: Uncaught Error: Interface "Symfony\Component\EventDispatcher\EventSubscriberInterface" not found in /home/astechc1/public_html/vendor/antishov/doctrine-extensions-bundle/EventListener/BlameListener.php:19 Stack trace: #0 {main} thrown in /home/astechc1/public_html/vendor/antishov/doctrine-extensions-bundle/EventListener/BlameListener.php on line 19