How to Fix Listing Error 100144: Language Mismatch in Product Attributes
Error 100144 occurs when any product attribute (title, bullets, description, search terms, backend keywords) is not in the marketplace’s primary language, e.g., French on amazon.com. A single untranslated phrase like “100 % cotone” can block the SKU, requiring correction via Seller Central before resubmission.
Overview
Amazon returns error 100144 when the language used in a product’s attributes does not match the listing language selected for the target marketplace. The mismatch can appear in titles, bullet points, descriptions, or backend fields, and it blocks the SKU from going live. Sellers who list in multiple regions must address the issue quickly to keep inventory visible and sales flowing.
Key Points
- Language uniformity required — Every attribute (title, bullets, description, search terms, backend keywords) must be written entirely in the marketplace’s primary language, such as English for amazon.com or German for amazon.de.
- Small foreign fragments trigger the error — A single untranslated phrase, a brand tagline in another language, or a copy‑pasted bullet from a different marketplace can cause Amazon’s validator to reject the listing.
- Account language settings influence validation — If the seller’s default account language differs from the marketplace language, the system treats the submission as a mismatch and returns error 100144.
- Region‑specific language rules apply — Each Amazon marketplace enforces its own primary language (e.g., French for amazon.fr, Japanese for amazon.co.jp); listings must conform to that locale’s standards.
- Error details point to the offending fields — The error message identifies which attribute(s) contain the wrong language, allowing sellers to focus remediation efforts.
How to Resolve Error 100144
- Read the error details — Open the listing error page; Amazon will list the exact fields (e.g., “Bullet 2 – detected language: Spanish”) and the language it expects (e.g., “English”). Example: A seller sees “Title – detected language: Italian” while targeting amazon.com.
- Confirm the marketplace’s required language — Check the language policy for the specific Amazon site. For amazon.co.uk, the required language is English (British spelling); for amazon.es, it is Spanish. Example: A seller planning to list a kitchen gadget on amazon.es must use Spanish for all attributes.
Analysis & Recommendations
Why This Matters
The language mismatch halts the listing, preventing the product from appearing on the site and delaying market entry. Sellers can lose sales and have inventory sit idle until the error is fixed, especially when expanding to new regions.
Key Takeaways
- Error code 100144 is triggered by any attribute language that differs from the target marketplace’s primary language.
- Even a single foreign fragment (e.g., “¡Oferta limitada!”) can cause the rejection.
- Account default language must match the marketplace; adjust via Settings → Account Info → Your Seller Profile.
- Using marketplace‑specific flat‑file templates ensures all fields are in the correct language.
Recommended Actions
- →In Seller Central, go to Settings > Account Info > Your Seller Profile and set the default language to match the target marketplace before uploading.
- →Open the error details page, translate each highlighted field (title, bullets, description, search terms, backend keywords) and re‑enter the correc...
- →Download the language‑specific flat‑file template from Inventory > Add Products via Upload, fill it out exclusively in the marketplace language, an...
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