Fatal error: Uncaught Error: Class 'GraphQL\Validator\Rules\ValidationRule' not found in /home/myclienteu/api-ideage/vendor/webonyx/graphql-php/src/Validator/Rules/LoneSchemaDefinition.php:17 Stack trace: #0 {main} thrown in /home/myclienteu/api-ideage/vendor/webonyx/graphql-php/src/Validator/Rules/LoneSchemaDefinition.php on line 17