Fatal error: Uncaught Error: Class 'Symfony\Component\Config\Loader\FileLoader' not found in C:\Apache24\htdocs\test-project-sym\vendor\symfony\routing\Loader\DirectoryLoader.php:18 Stack trace: #0 {main} thrown in C:\Apache24\htdocs\test-project-sym\vendor\symfony\routing\Loader\DirectoryLoader.php on line 18