Fatal error: Uncaught Error: Class 'Symfony\Component\Config\Loader\FileLoader' not found in /home/app/htdocs/lidia/vendor/symfony/config/Loader/GlobFileLoader.php:19 Stack trace: #0 {main} thrown in /home/app/htdocs/lidia/vendor/symfony/config/Loader/GlobFileLoader.php on line 19