Fatal error: Uncaught Error: Interface 'Magento\Framework\GraphQl\Query\Resolver\Argument\ValidatorInterface' not found in /home/esecureh/public_html/magdemo/vendor/magento/framework/GraphQl/Query/Resolver/Argument/Validator/CompositeValidator.php:18 Stack trace: #0 {main} thrown in /home/esecureh/public_html/magdemo/vendor/magento/framework/GraphQl/Query/Resolver/Argument/Validator/CompositeValidator.php on line 18