Fatal error: Uncaught Error: Interface "Psr\Http\Client\ClientInterface" not found in /var/www/html/cwtypo3/vendor/gmostafa/php-graphql-client/src/Util/GuzzleAdapter.php:11 Stack trace: #0 {main} thrown in /var/www/html/cwtypo3/vendor/gmostafa/php-graphql-client/src/Util/GuzzleAdapter.php on line 11