Fatal error: Uncaught Error: Class "Symfony\Component\HttpKernel\Event\ControllerMetadata" not found in /usr/www/unityweb/public/hms/vendor/symfony/http-kernel/Event/ControllerArgumentsMetadata.php:21 Stack trace: #0 {main} thrown in /usr/www/unityweb/public/hms/vendor/symfony/http-kernel/Event/ControllerArgumentsMetadata.php on line 21