Fatal error: Uncaught Error: Interface 'Symfony\Component\Config\FileLocatorInterface' not found in /home/changeco/public_html/vendor/symfony/routing/Tests/Loader/FileLocatorStub.php:7 Stack trace: #0 {main} thrown in /home/changeco/public_html/vendor/symfony/routing/Tests/Loader/FileLocatorStub.php on line 7