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# How to fix common unique identifiers error in Google Merchant Center (Unsupported value (restricted) [gtin])

The error **"Unsupported value (restricted) [gtin]"** in Google Merchant Center means the GTIN you provided falls within a restricted range that is reserved for future use, such as those starting with **"2"**, **"02"**, or **"04"**. To fix this, you need to obtain a valid, non-restricted GTIN from the manufacturer and update your product feed. 

### Table of Contents

1. [What Unsupported value (restricted)GTIN means?](#1-1-what-unsupported-value-restrcitedgtin-means)
2. [Restricted GTIN ranges](#1-2-restricted-gtin-ranges)
3. [How to fix unsupported value (restricted) gtin](#1-3-how-to-fix-unsupported-value-restrictedgtin)

# 1. What Unsupported value (restrcited)[Gtin] means?

The error indicates that the Global Trade Item Number (GTIN) you've submitted for a product is not valid because it falls within a range that is reserved for specific purposes and not intended for general retail use. 

# 2. Restricted GTIN ranges

The restricted ranges typically include GTINs starting with "2", "02", or "04". 

# 3. How to fix unsupported value (restricted)gtin

* **Contact the Manufacturer**: Reach out to the product manufacturer and request the correct, valid GTIN for the product.
* **Update Your Product Feed**: Once you have the correct GTIN, update your product feed in Google Merchant Center with the new value.
* **Check for other errors**: Ensure that the GTIN you are using is in the correct format (12, 13, or 14 digits) and that the checksum is valid.
* **Use the GTIN Validation Guide**: For more information about the validation of GTINs, refer to the GTIN Validation Guide edited by GS1.
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