Fatal error: Uncaught Error: Interface "Magento\Framework\EntityManager\Operation\AttributeInterface" not found in /home/airtimer/public_html/vendor/magento/module-catalog-rule/Model/ResourceModel/ReadHandler.php:15 Stack trace: #0 {main} thrown in /home/airtimer/public_html/vendor/magento/module-catalog-rule/Model/ResourceModel/ReadHandler.php on line 15