Fatal error: Uncaught Error: Interface "Magento\GraphQl\Model\Query\ContextInterface" not found in /home/airtimer/public_html/vendor/magento/module-graph-ql/Model/Query/Context.php:16 Stack trace: #0 {main} thrown in /home/airtimer/public_html/vendor/magento/module-graph-ql/Model/Query/Context.php on line 16