Fatal error: Uncaught Error: Interface 'Magento\Framework\Search\RequestInterface' not found in /home/esecureh/public_html/magdemo/vendor/magento/framework/Search/Request.php:19 Stack trace: #0 {main} thrown in /home/esecureh/public_html/magdemo/vendor/magento/framework/Search/Request.php on line 19