Fatal error: Uncaught Error: Class "GraphQL\NestableObject" not found in /var/www/html/cwtypo3/vendor/gmostafa/php-graphql-client/src/InlineFragment.php:12 Stack trace: #0 {main} thrown in /var/www/html/cwtypo3/vendor/gmostafa/php-graphql-client/src/InlineFragment.php on line 12