Fatal error: Uncaught Error: Class "Symfony\Component\HttpKernel\Controller\ContainerControllerResolver" not found in /home/cooperativamaism/public_html/staging/vendor/symfony/framework-bundle/Controller/ControllerResolver.php:21 Stack trace: #0 {main} thrown in /home/cooperativamaism/public_html/staging/vendor/symfony/framework-bundle/Controller/ControllerResolver.php on line 21