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critical 8016

Error 8016 — No image uploaded

What this means

Amazon never received an image for this listing. Images are required for nearly all categories.

Why this happens

Either main_image_url was blank in the feed, or the URL Amazon tried to fetch returned a 404 or auth error.

How to fix it

  1. Confirm main_image_url is populated for every product.
  2. Test the URL in a browser — it should return the raw image bytes.
  3. Use public CDNs without auth requirements.
  4. Resubmit.

Common pitfalls