Amazon Error 100475: How to Fix 'Loss of Relevant Information' in Listing Attributes
Error 100475 blocks feed updates when a new attribute is less detailed than the live record, such as a product description shrinking from 250 characters to 120 characters. The system flags the offending attribute (e.g., BulletPoint3) in the feed processing report and prevents that change from going live.
Overview
Amazon returns error code 100475 when a bulk feed attempts to replace a product attribute with a version that omits or shortens information previously present. The platform flags the change to protect the completeness of listings, and sellers must correct the feed before the update can go live. Prompt resolution is essential to keep pricing, description, or compliance edits from stalling.
Key Points
- Attribute information loss detected — Amazon cross‑checks the incoming attribute values against the live record and raises the error if the new entry appears less detailed.
- Typical trigger: overly condensed text — Sellers who trim bullet points, specifications, or product titles often unintentionally remove data Amazon deems critical, prompting the warning.
- Applies to feed‑based updates — The error surfaces in the feed processing report, affecting users of flat‑file uploads, SP‑API feed submissions, or third‑party listing managers rather than manual edits in Seller Central.
- Easily avoided with a pre‑submission audit — Running a side‑by‑side comparison of the current listing and the proposed feed file catches most omissions before Amazon processes the upload.
- Does not affect account health — While the error blocks the specific attribute change, it does not generate policy violations or suspensions, but it can delay time‑sensitive modifications.
How the System Flags Missing Information
- Initial catalog snapshot — Amazon stores the most recent attribute values for each SKU; for example, a 250‑character product description that includes dimensions, material, and warranty details.
- Feed ingestion — When a seller uploads a flat file, the system extracts each attribute value; if the same description field now contains only 120 characters, the platform notes a reduction.
- Content comparison engine — Amazon runs a diff algorithm that measures length, keyword presence, and key specification markers; missing “Warranty: 2 years” or omitted “Material: stainless steel” triggers the rule.
Analysis & Recommendations
Why This Matters
The block can delay price adjustments, promotional launches, or compliance updates because the flagged attribute remains unchanged until corrected. Sellers lose time fixing the feed, which may impact time‑sensitive campaigns or certification deadlines.
Key Takeaways
- Error 100475 triggers when the new attribute value is shorter than the live value, e.g., description reduced from 250 to 120 characters.
- The rule applies to flat‑file uploads, SP‑API feed submissions, and third‑party listing managers.
- The processing report lists SKU, attribute name (e.g., BulletPoint3) and error code, allowing quick identification.
- A pre‑upload checklist using a baseline column and LEN() comparison can automatically flag potential 100475 violations.
Recommended Actions
- →In Seller Central go to Reports > Feed Processing Report, download the CSV, locate error 100475 and the flagged attribute, then compare it with the...
- →Edit the feed file to restore omitted details (e.g., add ‘up to 50 meters’ and ‘ISO 9001 certified’ back into the bullet point) and re‑upload via t...
- →Create a pre‑upload spreadsheet: copy current live values into a ‘baseline’ column, use a formula like =LEN(new)<LEN(baseline) to flag shorter entr...
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