Nuvei saysIntegration issue
3506TransactionID either wrong or not exist
What it means
Transaction not found
The provider could not find the payment you referenced.
What to do
Check the identifier, the environment and the account it belongs to.
Don't retry as-isWho can fix it: You, the merchant
Other Nuvei codes with the same meaning
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.