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