Fatal error: Uncaught Error: Class "Magento\Framework\Api\AbstractSimpleObject" not found in /var/www/magento/html/app/code/Amasty/Rules/Model/DiscountBreakdownLine.php:16 Stack trace: #0 {main} thrown in /var/www/magento/html/app/code/Amasty/Rules/Model/DiscountBreakdownLine.php on line 16