Fatal error: Uncaught Error: Class "GraphQL\Validator\Rules\ValidationRule" not found in /var/www/crm_killing_ninja/vendor/webonyx/graphql-php/src/Validator/Rules/ProvidedRequiredArgumentsOnDirectives.php:27 Stack trace: #0 {main} thrown in /var/www/crm_killing_ninja/vendor/webonyx/graphql-php/src/Validator/Rules/ProvidedRequiredArgumentsOnDirectives.php on line 27