Fatal error: Uncaught Error: Class 'Symfony\Component\DependencyInjection\Loader\FileLoader' not found in /home/soh-works/www/3good_old/vendor/symfony/dependency-injection/Loader/YamlFileLoader.php:39 Stack trace: #0 {main} thrown in /home/soh-works/www/3good_old/vendor/symfony/dependency-injection/Loader/YamlFileLoader.php on line 39