Fatal error: Uncaught Error: Class "Symfony\Component\HttpKernel\Bundle\Bundle" not found in C:\xampp\htdocs\electronica\vendor\sensio\generator-bundle\Sensio\Bundle\GeneratorBundle\SensioGeneratorBundle.php:21 Stack trace: #0 {main} thrown in C:\xampp\htdocs\electronica\vendor\sensio\generator-bundle\Sensio\Bundle\GeneratorBundle\SensioGeneratorBundle.php on line 21