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B2B: Navigation menu fails with two items in Commerce site's Main navigation menu

Publish Date: Apr 16, 2026
Description
The navigation menu fails to load when there are only two items: 'Home' and a menu item of type 'Data Source' with 'Storefront Categories'. This issue impacts admins, customers, and dealers, resulting in an HTTP 500 error for the 'category-menu-items' endpoint.
Resolution

1. Remove the customization associated with the EC_LWR_CatalogProductsApi extension temporarily and test the navigation menu again.

2. Ensure that the EC_LWR_CatalogProductsApi extension is only used for its intended purpose (Commerce_Endpoint_Catalog_Products) and not invoked during navigation menu requests.

Knowledge Article Number

005318648

 
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Salesforce Help | Article