Fatal error: Uncaught Error: Interface "Symfony\Component\Config\Loader\LoaderInterface" not found in E:\Ampps\www\CAS\vendor\symfony\routing\Loader\AnnotationClassLoader.php:72 Stack trace: #0 {main} thrown in E:\Ampps\www\CAS\vendor\symfony\routing\Loader\AnnotationClassLoader.php on line 72