Fatal error: Uncaught Error: Class 'Symfony\Component\DependencyInjection\ContainerAware' not found in /home/lafaamicps/www/symfony/vendor/friendsofsymfony/user-bundle/FOS/UserBundle/Controller/GroupController.php:24 Stack trace: #0 {main} thrown in /home/lafaamicps/www/symfony/vendor/friendsofsymfony/user-bundle/FOS/UserBundle/Controller/GroupController.php on line 24