This article applies to selling in: United States

Error 90009

The file's header row is missing or invalid. The header row is for Amazon use only and must not be modified or deleted. To correct this error, download the template again from seller Help and use that new copy, or insert the correct header row directly above the column headings in your existing file.

(Fatal) Your input file has invalid or missing header data. The header row is used by Amazon only and must not be modified or deleted. Do one of the following and then resubmit your feed:

  • Insert the correct header row directly above the column headings in your existing file.
  • Go to seller Help and download a new copy of the template to use.

To resolve this error:

  1. Download a new inventory file template.
  2. Copy the data from your original file into the new template. Do not modify the header row in the new template.
  3. Save the file as a "Text (Tab delimited) (*.txt)" format.
  4. In your seller account, from the Inventory link, select Add Products via Upload.
  5. Under Upload inventory files, select your file type from the drop-down list.
  6. Click Browse to locate your file.
  7. Click Upload now.

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