Fatal error: Uncaught Error: Class "Symfony\Bundle\FrameworkBundle\Controller\AbstractController" not found in /var/www/html/testjsp/LamaZoo/src/Controller/RegistrationController.php:20 Stack trace: #0 {main} thrown in /var/www/html/testjsp/LamaZoo/src/Controller/RegistrationController.php on line 20