Fatal error: Uncaught Error: Interface "Symfony\Component\EventDispatcher\EventSubscriberInterface" not found in /home/astechc1/public_html/src/EventSubscriber/AntispamSubscriber.php:12 Stack trace: #0 {main} thrown in /home/astechc1/public_html/src/EventSubscriber/AntispamSubscriber.php on line 12