Fatal error: Uncaught Error: Class 'Symfony\Component\DependencyInjection\ContainerAware' not found in /home/lafaamicps/www/symfony/vendor/sonata-project/user-bundle/Controller/AdminSecurityController.php:19 Stack trace: #0 {main} thrown in /home/lafaamicps/www/symfony/vendor/sonata-project/user-bundle/Controller/AdminSecurityController.php on line 19