Fatal error: Uncaught Error: Interface 'Symfony\Component\EventDispatcher\EventSubscriberInterface' not found in /home/sgcomcom/sample.sgcom.com.lk/vendor/symfony/http-kernel/EventListener/DebugHandlersListener.php:34 Stack trace: #0 {main} thrown in /home/sgcomcom/sample.sgcom.com.lk/vendor/symfony/http-kernel/EventListener/DebugHandlersListener.php on line 34