Fatal error: Uncaught Error: Interface "Symfony\Component\EventDispatcher\EventSubscriberInterface" not found in /home/dodom2/public_html/cgilink.biz/vendor/symfony/web-link/EventListener/AddLinkHeaderListener.php:30 Stack trace: #0 {main} thrown in /home/dodom2/public_html/cgilink.biz/vendor/symfony/web-link/EventListener/AddLinkHeaderListener.php on line 30