Fatal error: Uncaught Error: Class 'Magento\Quote\Model\Quote\Address\Total\AbstractTotal' not found in /home/esecureh/public_html/magdemo/vendor/magento/module-sales-rule/Model/Quote/Discount.php:34 Stack trace: #0 {main} thrown in /home/esecureh/public_html/magdemo/vendor/magento/module-sales-rule/Model/Quote/Discount.php on line 34