Fatal error: Uncaught Error: Class "Symfony\Component\Routing\Loader\AnnotationClassLoader" not found in I:\www\frameworks\Symfony\doctrine\vendor\sensio\framework-extra-bundle\src\Routing\AnnotatedRouteControllerLoader.php:31 Stack trace: #0 {main} thrown in I:\www\frameworks\Symfony\doctrine\vendor\sensio\framework-extra-bundle\src\Routing\AnnotatedRouteControllerLoader.php on line 31