Fatal error: Uncaught Error: Interface "Symfony\Component\EventDispatcher\EventSubscriberInterface" not found in E:\xampp\htdocs\stms\vendor\symfony\http-kernel\EventListener\AbstractSessionListener.php:40 Stack trace: #0 {main} thrown in E:\xampp\htdocs\stms\vendor\symfony\http-kernel\EventListener\AbstractSessionListener.php on line 40