Fatal error: Uncaught Error: Class "Symfony\Component\Config\Loader\FileLoader" not found in /home/tubu/public_html/Opigno_D9v03old/opignoD9/vendor/symfony/dependency-injection/Loader/FileLoader.php:30 Stack trace: #0 {main} thrown in /home/tubu/public_html/Opigno_D9v03old/opignoD9/vendor/symfony/dependency-injection/Loader/FileLoader.php on line 30