Fatal error: Uncaught Error: Class "Symfony\Component\Config\Loader\Loader" not found in /home/marstests/tanrail1.marstests.online/sgr.marstests.online/vendor/symfony/routing/Loader/AttributeServicesLoader.php:22 Stack trace: #0 {main} thrown in /home/marstests/tanrail1.marstests.online/sgr.marstests.online/vendor/symfony/routing/Loader/AttributeServicesLoader.php on line 22