Fatal error: Uncaught Error: Class "GraphQL\Validator\Rules\ValidationRule" not found in /home/gingerbrup/mariage/vendor/webonyx/graphql-php/src/Validator/Rules/NoUnusedVariables.php:11 Stack trace: #0 {main} thrown in /home/gingerbrup/mariage/vendor/webonyx/graphql-php/src/Validator/Rules/NoUnusedVariables.php on line 11