Overview

Amazon's 18000 series error codes are a family of listing and feed-processing errors that sellers may encounter when creating or updating product listings on Seller Central. These codes typically surface during inventory file uploads, API-based listing submissions, or when editing product detail pages. Understanding how to identify and resolve these errors is essential for maintaining accurate, active listings.

Key Points / What Sellers Need to Know

• The 18000 series covers a wide range of listing issues — There are over 70 individual error codes in this series, each tied to a specific data validation or compliance problem with a product listing submission.
• Errors appear during feed processing — Sellers most commonly see these codes in their feed processing reports after uploading inventory files or flat files through Seller Central or via the Selling Partner API.
• Each code has a specific meaning — While the codes fall under a single series, each individual error (e.g., 18002, 18035, 18200) points to a distinct issue such as missing required attributes, invalid values, or category-specific data problems.
• Resolution requires checking the specific code — There is no single fix for the entire series. Sellers need to look up the individual error code in their processing report to understand what field or value triggered the rejection.
• Batch uploads are most affected — Sellers who manage large catalogs through flat file uploads or API integrations are more likely to encounter these errors at scale.

How These Errors Occur

The 18000 series errors are generated by Amazon's listing validation system when submitted product data does not meet the requirements for a given category or product type. This can happen during several workflows: uploading inventory files via the "Add Products via Upload" tool, submitting feeds through the Selling Partner API, or even when editing individual listings if required fields are missing or contain invalid data. When Amazon's system processes the submission, it checks each field against the rules for that product category. If a value is missing, incorrectly formatted, or conflicts with another attribute, the system flags the submission with the corresponding 18000 series error code.