Fatal error: Uncaught Error: Class "Symfony\Component\Routing\Loader\AnnotationFileLoader" not found in D:\Apache24\www\dls\back-end\vendor\symfony\routing\Loader\AnnotationDirectoryLoader.php:23 Stack trace: #0 {main} thrown in D:\Apache24\www\dls\back-end\vendor\symfony\routing\Loader\AnnotationDirectoryLoader.php on line 23