All Worldpay codes
WORLDPAY · REFUSAL CODE
Worldpay591
Message element "Transaction Amount" value is invalid
Worldpay saysIntegration issue
591Message element "Transaction Amount" value is invalid
What it means
Invalid amount
The amount is malformed, zero, or outside what the provider or issuer accepts.
What to do
Check the amount format, minor units and the currency's minimum and maximum.
Don't retry as-isWho can fix it: You, the merchant
Yuno response codeINVALID_AMOUNT
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.