Help Payflow pro setup

[olgun]

Hi;

I'm using VeriSign PayFlow Pro.

virtuemart payment List enter the Verisign PayFlow Pro and enter the partner ID User ID and password.

Login site and products add to shopping cart next payment step select payflow pro and enter the credit card information click confim order.

Error Message;

Error: Failure in Processing the PaymentPFP account password is empty. You must adjust your settings.
Error: Failure in Processing the Payment (ps_pfp)

Pls help me
Thanks..