Response Code 20
This is a generic "catch all" response code used for all endpoints, and is returned in a number of different scenarios. The below table summarizes the different scenarios, endpoints and reasons for the Error.
Scenario
Endpoints
Cause
Chain Invalid
Load
Refund
Balance
BalanceNoPin
CardUnFreeze
CardUnlockOnline
The merchant does not exist or it's associated with a deleted customer
This Merchant is invalid for the Pan (<PanNumber>)
The merchant does not exist or the pan is not registered for its customer
The merchant or card is not allowed to complete this transaction
The merchant is not allowed to transact against the transaction type.
Merchant must have the same currency as the request
The request currency is not the same as the merchant currency
Attempt to redeem coupon pan
The requested transaction is not permitted due to a previously configured rule/limit