All Nuvei codes
NUVEI · ERROR CODE
Nuvei1271
sg_transaction must be an approved InitAuth3D from the same merchant
Nuvei saysIntegration issue
1271sg_transaction must be an approved InitAuth3D from the same merchant
What it means
Invalid transaction
The operation is not valid in this state, for example capturing twice or refunding more than was paid.
What to do
Check the payment's current state and the order of your API calls.
Don't retry as-isWho can fix it: You, the merchant
Reference only. Codes and descriptions come from each provider's public documentation. The Yuno response code is a reference mapping and does not guarantee how a specific transaction is processed.