Transaction is unsuccessful due to a SHA-Out issue
If you or a customer see the warning: Transaction is unsuccessful due to a SHA-Out issue
You need to check what parameters are sent back to the website (This is used the decrypt information about the transaction).Login to the Viveum back office and navigate here: Configuration > Technical information > Transaction feedback.
You will find the setting under the Dynamic e-Commerce parameters section.
You only want the following in the selected section:
ACCEPTANCE
AMOUNT
BRAND
CARDNO
CN
COMPLUS
CURRENCY
ECI
ED
IP
NCERROR
ORDERID
PAYID
PAYIDSUB
PM
STATUS
TRXDATE