Fatal error: Uncaught Error: Interface 'Symfony\Component\Routing\RequestContextAwareInterface' not found in /home/devmecseminars/public_html/mec/vendor/symfony/routing/Generator/UrlGeneratorInterface.php:32 Stack trace: #0 {main} thrown in /home/devmecseminars/public_html/mec/vendor/symfony/routing/Generator/UrlGeneratorInterface.php on line 32