Fatal error: Uncaught Error: Class "Symfony\Component\Routing\Loader\AttributeClassLoader" not found in I:\www\picman\vendor\symfony\framework-bundle\Routing\AttributeRouteControllerLoader.php:24 Stack trace: #0 {main} thrown in I:\www\picman\vendor\symfony\framework-bundle\Routing\AttributeRouteControllerLoader.php on line 24