Fatal error: Uncaught Error: Class "GraphQL\Validator\Rules\ValidationRule" not found in /home/telefonai/public_html/test.telefonai.eu/templates/__MACOSX/vendor/webonyx/graphql-php/src/Validator/Rules/NoUnusedVariables.php:14 Stack trace: #0 {main} thrown in /home/telefonai/public_html/test.telefonai.eu/templates/__MACOSX/vendor/webonyx/graphql-php/src/Validator/Rules/NoUnusedVariables.php on line 14