Fatal error: Uncaught Error: Class "Symfony\Component\Config\Loader\FileLoader" not found in /home/immunoglow/public_html/immunoglow/vendor/symfony/routing/Loader/DirectoryLoader.php:18 Stack trace: #0 {main} thrown in /home/immunoglow/public_html/immunoglow/vendor/symfony/routing/Loader/DirectoryLoader.php on line 18