Fatal error: Uncaught Error: Class "Symfony\Bundle\FrameworkBundle\Controller\AbstractController" not found in /home/www/aes-demo/api-8.0.0#316/src/Controller/FileDrawerController.php:30 Stack trace: #0 {main} thrown in /home/www/aes-demo/api-8.0.0#316/src/Controller/FileDrawerController.php on line 30