Fatal error: Uncaught Error: Class "GraphQL\Language\VisitorOperation" not found in D:\htdocs\SuiteCRM\vendor\webonyx\graphql-php\src\Language\VisitorStop.php:5 Stack trace: #0 {main} thrown in D:\htdocs\SuiteCRM\vendor\webonyx\graphql-php\src\Language\VisitorStop.php on line 5