Fatal error: Uncaught Error: Class "Symfony\Component\Config\Exception\LoaderLoadException" not found in /home/zdpktgd/ptc/vendor.old/symfony/config/Exception/FileLoaderImportCircularReferenceException.php:19 Stack trace: #0 {main} thrown in /home/zdpktgd/ptc/vendor.old/symfony/config/Exception/FileLoaderImportCircularReferenceException.php on line 19