Fatal error: Uncaught Error: Class "Symfony\Component\Routing\Loader\XmlFileLoader" not found in /home/w0rldcl4ssc0m/soca/discovery/vendor.back/symfony/routing/Tests/Fixtures/CustomXmlFileLoader.php:20 Stack trace: #0 {main} thrown in /home/w0rldcl4ssc0m/soca/discovery/vendor.back/symfony/routing/Tests/Fixtures/CustomXmlFileLoader.php on line 20