Fatal error: Uncaught Error: Class "Symfony\Component\Config\Loader\FileLoader" not found in /home/.sites/site4/wwwroot/web/ui/vendor/symfony/config/Loader/GlobFileLoader.php:19 Stack trace: #0 {main} thrown in /home/.sites/site4/wwwroot/web/ui/vendor/symfony/config/Loader/GlobFileLoader.php on line 19