Fatal error: Uncaught Error: Interface "Symfony\Component\EventDispatcher\EventSubscriberInterface" not found in /home/kakabapu/public_html/mysticker.kakabapu.com/vendor/sensio/framework-extra-bundle/EventListener/PsrResponseListener.php:26 Stack trace: #0 {main} thrown in /home/kakabapu/public_html/mysticker.kakabapu.com/vendor/sensio/framework-extra-bundle/EventListener/PsrResponseListener.php on line 26