Fatal error: Uncaught Error: Class "Symfony\Component\DependencyInjection\ContainerAware" not found in C:\xampp\htdocs\electronica\vendor\sensio\distribution-bundle\Sensio\Bundle\DistributionBundle\Controller\ConfiguratorController.php:24 Stack trace: #0 {main} thrown in C:\xampp\htdocs\electronica\vendor\sensio\distribution-bundle\Sensio\Bundle\DistributionBundle\Controller\ConfiguratorController.php on line 24