Fatal error: Uncaught Error: Class "Symfony\Component\Console\Helper\QuestionHelper" not found in C:\xampp\htdocs\electronica\vendor\sensio\generator-bundle\Sensio\Bundle\GeneratorBundle\Command\Helper\QuestionHelper.php:23 Stack trace: #0 {main} thrown in C:\xampp\htdocs\electronica\vendor\sensio\generator-bundle\Sensio\Bundle\GeneratorBundle\Command\Helper\QuestionHelper.php on line 23