Fatal error: Uncaught Error: Interface "Symfony\Component\EventDispatcher\EventSubscriberInterface" not found in D:\Apache24\www\hl_eis-new\vendor\symfony\http-kernel\EventListener\LocaleAwareListener.php:26 Stack trace: #0 {main} thrown in D:\Apache24\www\hl_eis-new\vendor\symfony\http-kernel\EventListener\LocaleAwareListener.php on line 26