Fatal error: Uncaught Error: Class "Shopware\Core\Framework\Rule\Rule" not found in /home/amper418/shopv2.amperio.ch/vendor/shopware/core/Checkout/Customer/Rule/CampaignCodeRule.php:15 Stack trace: #0 {main} thrown in /home/amper418/shopv2.amperio.ch/vendor/shopware/core/Checkout/Customer/Rule/CampaignCodeRule.php on line 15