Error 6021 — Category, brand, or authorization errors

Amazon blocked the listing due to a category restriction, missing brand authorization, or other approval gap.

Specific to error 6021: see Amazon's processing report for the exact field or attribute that failed validation. The 6000-series typically covers category, brand, or authorization errors — review Amazon's official docs for code-specific guidance.

1. Check the processing report to confirm whether the gate is brand-level or category-level.
2. Apply for the required approval through Seller Central → Inventory → Add a Product → Apply to Sell.
3. Provide required documentation (invoices, certifications, authorization letters).
4. Open Amazon's official explanation for this code via the link below for the most authoritative guidance.

• Generic feed templates often miss category-specific required attributes
• Stale schema versions trigger validation errors that newer schemas don't