Fatal error: Uncaught Error: Class "Extcode\CartProducts\Domain\Model\Product\QuantityDiscount" not found in /var/www/html/dev.hallescherfc.de/packages/muthsevshop/Classes/Domain/Model/Product/QuantityDiscount.php:9 Stack trace: #0 {main} thrown in /var/www/html/dev.hallescherfc.de/packages/muthsevshop/Classes/Domain/Model/Product/QuantityDiscount.php on line 9