Fatal error: Uncaught Error: Class "Symfony\Bundle\FrameworkBundle\Controller\AbstractController" not found in /home/creantis/840suite.creantis.dev/840suite01/core/backend/Authentication/Controller/SecurityController.php:46 Stack trace: #0 {main} thrown in /home/creantis/840suite.creantis.dev/840suite01/core/backend/Authentication/Controller/SecurityController.php on line 46