Listing item new seller

Hi,
I was trying to list a new item, bought a barcode at gs1uk.

When i input GTIN i get error
" The value specified for the field is lesser than the minimum allowed value."
But if i change to EAN i get error:

“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.”

Does anybody know what could be the reason for this issue ?

Thanks
Stan