Amazon error message (example)
externally_assigned_product_identifier.value_01: the value is not a valid EAN-13 (invalid length)
What does this error mean?
This error indicates that the value you provided does not comply with the expected format, usually because the code has the wrong number of digits.
- EAN-13 must contain exactly 13 digits.
- UPC must contain exactly 12 digits.
- ISBN can contain 10 or 13 digits depending on the version.
How to fix this error
- Check that the identifier provided matches the correct format and length for its type (EAN, UPC, ISBN).
- Make sure there are no extra spaces, dashes, or characters in the value.
- If you don’t have a valid identifier, you may need to request an exemption or apply for GTINs via GS1.
For more information on Amazon product identifiers, see Amazon’s official guide on product IDs.