Fatal error: Uncaught Error: Class "Symfony\Bundle\FrameworkBundle\Controller\AbstractController" not found in /home/amper418/shopv2.amperio.ch/vendor/shopware/core/Framework/Api/Controller/SyncController.php:26 Stack trace: #0 {main} thrown in /home/amper418/shopv2.amperio.ch/vendor/shopware/core/Framework/Api/Controller/SyncController.php on line 26