You are using UPCs, EANs, ISBNs, ASINs, or JAN codes that do not match the products you are trying to list. If you believe you have reached this message in error, please contact Seller Support.
We have investigated and found the Seller to be using UPC/EANs that are not vended by GS1.
If vended by GS1, please provide relevant proof to validate the UPC/EANs.
In order to ensure an enjoyable shopping experience and to protect how brands are presented on Amazon, it is essential that we have accurate data associated with products in our catalog.
For this reason, we ask you provide proof of the authenticity of the GTINs you are using.