Fatal error: Uncaught Error: Interface 'Magento\Framework\GraphQl\Query\Resolver\BatchRequestItemInterface' not found in /home/esecureh/public_html/magdemo/vendor/magento/framework/GraphQl/Query/Resolver/ResolveRequest.php:16 Stack trace: #0 {main} thrown in /home/esecureh/public_html/magdemo/vendor/magento/framework/GraphQl/Query/Resolver/ResolveRequest.php on line 16