> For the complete documentation index, see [llms.txt](https://helpcenter.channable.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://helpcenter.channable.com/list-advertise/list-on-channels/feeds-troubleshooting/fixing-the-values-not-unique-issue.md).

# Fixing the 'values not unique' issue

### Issue <a href="#h_01jpm785d2w4n59xdz824cqxad" id="h_01jpm785d2w4n59xdz824cqxad"></a>

**id'/'gtin'/'ean' contains values that are not unique**

### What does this issue mean? <a href="#h_01jp7gwsrz320t0hn5zqzrerzs" id="h_01jp7gwsrz320t0hn5zqzrerzs"></a>

There are multiple items that have the same identifier. Identifiers such as ID, GTIN, and EAN codes should be unique for every item.

<figure><img src="https://helpcenter.channable.com/hc/article_attachments/360007460199" alt=""><figcaption></figcaption></figure>

### How do I solve this issue? <a href="#id-01jpm79tvbsrqez49m7rg1yqh4" id="id-01jpm79tvbsrqez49m7rg1yqh4"></a>

There are two ways to solve the error:

1. If the items that share the identifier are the same item, you can use a [deduplicate items rule](/manage-improve-product-data/rules-bulk-edit-and-enrich/how-to-use-actions-then-in-rules/rule-action-remove-duplicate-items.md).
2. If the items are two different variants of the same product, you need to change the identifiers in your import file.


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