Fatal error: Uncaught Error: Class "Symfony\Bundle\FrameworkBundle\Controller\AbstractController" not found in /home/technoon/public_html/askon/src/Controller/System/AkademiController.php:21 Stack trace: #0 {main} thrown in /home/technoon/public_html/askon/src/Controller/System/AkademiController.php on line 21