Fatal error: Uncaught Error: Interface "GraphQL\Language\AST\DefinitionNode" not found in /var/www/crm_killing_ninja/vendor/webonyx/graphql-php/src/Language/AST/TypeSystemExtensionNode.php:8 Stack trace: #0 {main} thrown in /var/www/crm_killing_ninja/vendor/webonyx/graphql-php/src/Language/AST/TypeSystemExtensionNode.php on line 8