Title: Facebook missing universal identifiers t
Last modified: June 12, 2021

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# Facebook missing universal identifiers t

 *  Resolved [ultimus](https://wordpress.org/support/users/ultimus/)
 * (@ultimus)
 * [4 years, 11 months ago](https://wordpress.org/support/topic/facebook-missing-universal-identifiers-t/)
 * brand,gtin,identifier_exists,mpn
 * I am generating a feed according to the adtribes guidlines (video) for facebook.
   Facebook reports that 99% of the products are missing a unique identifier:
 * ***
    Universal IDs are missing: brand brand , gtin gtin , identifier_exists identifier_exists,
   mpn mpn Products need one of the following universal identifiers to run in ads:–
   Global Trade Item Number (GTIN) – Manufacturer part number (MPN) – Brand name.
   Include one of these universal identifiers for each product in your data feed
   file and upload it again.` ***
 * I am using the default field mapping as suggested in the video. What mapping 
   is recommended to satisfy facebook?

Viewing 3 replies - 1 through 3 (of 3 total)

 *  [supportadtribes](https://wordpress.org/support/users/supportadtribes/)
 * (@supportadtribes)
 * [4 years, 11 months ago](https://wordpress.org/support/topic/facebook-missing-universal-identifiers-t/#post-14550381)
 * Hi,
 * According to Facebook your products need to have at least a brand or gtin or 
   mpn (for every product). So you need to make sure that you have product attributes
   for those fields and that they contain values for your products. When they do
   you need to map those attributes to Facebooks g:brand, g:gtin or g:mpn fields.
 * When your products do not have a brand, gtin or mpn I recommend you use your 
   websites name as a brand. You can add those to the field mapping by using the
   static field mapping as explained in this blog post: [https://adtribes.io/how-to-use-static-values-and-create-fake-content-for-your-product-feed/](https://adtribes.io/how-to-use-static-values-and-create-fake-content-for-your-product-feed/)
 *  Thread Starter [ultimus](https://wordpress.org/support/users/ultimus/)
 * (@ultimus)
 * [4 years, 11 months ago](https://wordpress.org/support/topic/facebook-missing-universal-identifiers-t/#post-14555443)
 * Hi Eva
 * thank you for the quick responce. I have tried this and will see in a few days
   if facebook accepts this.
    Have a great day
 *  [supportadtribes](https://wordpress.org/support/users/supportadtribes/)
 * (@supportadtribes)
 * [4 years, 8 months ago](https://wordpress.org/support/topic/facebook-missing-universal-identifiers-t/#post-14823703)
 * Assuming the issue at hand has been resolved or our support is no longer required
   I am going to close this topic for housekeeping reasons now. Please do not hesitate
   to reach out to our support-team again whenever you need our help.

Viewing 3 replies - 1 through 3 (of 3 total)

The topic ‘Facebook missing universal identifiers t’ is closed to new replies.

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 * [Product Feed PRO for WooCommerce by AdTribes – Product Feeds for WooCommerce](https://wordpress.org/plugins/woo-product-feed-pro/)
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 * 3 replies
 * 2 participants
 * Last reply from: [supportadtribes](https://wordpress.org/support/users/supportadtribes/)
 * Last activity: [4 years, 8 months ago](https://wordpress.org/support/topic/facebook-missing-universal-identifiers-t/#post-14823703)
 * Status: resolved