Fatal error: Uncaught Error: Class "Shopware\Core\Framework\DataAbstractionLayer\EntityCollection" not found in /home/amper418/shopv2.amperio.ch/vendor/shopware/core/System/CustomEntity/CustomEntityCollection.php:12 Stack trace: #0 {main} thrown in /home/amper418/shopv2.amperio.ch/vendor/shopware/core/System/CustomEntity/CustomEntityCollection.php on line 12