Fatal error: Uncaught Error: Interface "Symfony\Component\EventDispatcher\EventSubscriberInterface" not found in I:\www\frameworks\Symfony\doctrine\vendor\symfony\monolog-bridge\Processor\RouteProcessor.php:27 Stack trace: #0 {main} thrown in I:\www\frameworks\Symfony\doctrine\vendor\symfony\monolog-bridge\Processor\RouteProcessor.php on line 27