Fatal error: Uncaught Error: Class 'Symfony\Component\Routing\Loader\AttributeClassLoader' not found in C:\xampp\htdocs\plugins\Symfony\Bundle\FrameworkBundle\Routing\AttributeRouteControllerLoader.php:24 Stack trace: #0 {main} thrown in C:\xampp\htdocs\plugins\Symfony\Bundle\FrameworkBundle\Routing\AttributeRouteControllerLoader.php on line 24