Fatal error: Uncaught Error: Class "GraphQL\Type\Definition\Type" not found in /var/www/html/vendor/webonyx/graphql-php/src/Type/Definition/UnionType.php:24 Stack trace: #0 {main} thrown in /var/www/html/vendor/webonyx/graphql-php/src/Type/Definition/UnionType.php on line 24