Fatal error: Uncaught Error: Interface 'Magento\SalesRule\Api\RuleRepositoryInterface' not found in /home/esecureh/public_html/magdemo/vendor/magento/module-sales-rule/Model/RuleRepository.php:18 Stack trace: #0 {main} thrown in /home/esecureh/public_html/magdemo/vendor/magento/module-sales-rule/Model/RuleRepository.php on line 18