Fatal error: Uncaught Error: Class "GraphQL\QueryBuilder\QueryBuilder" not found in /var/www/html/cwtypo3/vendor/gmostafa/php-graphql-client/src/QueryBuilder/MutationBuilder.php:7 Stack trace: #0 {main} thrown in /var/www/html/cwtypo3/vendor/gmostafa/php-graphql-client/src/QueryBuilder/MutationBuilder.php on line 7