Fatal error: Uncaught Error: Class "GraphQL\Validator\Rules\ValidationRule" not found in /home/akg/public_html/craft/vendor/webonyx/graphql-php/src/Validator/Rules/KnownDirectives.php:49 Stack trace: #0 {main} thrown in /home/akg/public_html/craft/vendor/webonyx/graphql-php/src/Validator/Rules/KnownDirectives.php on line 49