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