Fatal error: Uncaught Error: Interface 'Symfony\Component\HttpKernel\Controller\ArgumentValueResolverInterface' not found in /home/devmecseminars/public_html/mec/vendor/symfony/http-kernel/Controller/ArgumentResolver/VariadicValueResolver.php:23 Stack trace: #0 {main} thrown in /home/devmecseminars/public_html/mec/vendor/symfony/http-kernel/Controller/ArgumentResolver/VariadicValueResolver.php on line 23