Fatal error: Uncaught Error: Class "GraphQL\Validator\Rules\ValidationRule" not found in C:\xampp\htdocs\SuiteCRM-8.9.2\vendor\webonyx\graphql-php\src\Validator\Rules\ScalarLeafs.php:11 Stack trace: #0 {main} thrown in C:\xampp\htdocs\SuiteCRM-8.9.2\vendor\webonyx\graphql-php\src\Validator\Rules\ScalarLeafs.php on line 11