Fixed #4122 typo in GQL product interface

Author: nfourtythree

CHANGELOG.md

@@ -1,5 +1,9 @@
 # Release Notes for Craft Commerce
 
+## Unreleased
+
+- Fixed an error that could occur when querying for products or variants via GraphQL. ([#4122](https://github.com/craftcms/commerce/issues/4122)) 
+
 ## 5.5.0 - 2025-11-18
 
 ### Store Management

src/gql/interfaces/elements/Product.php

@@ -14,7 +14,6 @@
 use craft\commerce\helpers\Gql;
 use craft\gql\GqlEntityRegistry;
 use craft\gql\interfaces\Element;
-use craft\gql\interfaces\elements\Entry as EntryInterface;
 use craft\services\Gql as GqlService;
 use GraphQL\Type\Definition\InterfaceType;
 use GraphQL\Type\Definition\Type;
@@ -164,7 +163,7 @@ public static function getFieldDefinitions(): array
             'parent' => [
                 'name' => 'parent',
                 'args' => $structureProductTypeFieldArguments,
-                'type' => EntryInterface::getType(),
+                'type' => static::getType(),
                 'description' => 'The products’s parent, if the product type is a structure.',
                 'complexity' => Gql::relatedArgumentComplexity(GqlService::GRAPHQL_COMPLEXITY_EAGER_LOAD),
             ],