Fatal error: Uncaught Error: Class "Symfony\Component\Config\Loader\FileLoader" not found in E:\phpProject\TEST\fr_epr\fr_epr_reg\vendor\symfony\routing\Loader\XmlFileLoader.php:30 Stack trace: #0 {main} thrown in E:\phpProject\TEST\fr_epr\fr_epr_reg\vendor\symfony\routing\Loader\XmlFileLoader.php on line 30