Payment Journal issue in AX

Hi All,

Hope everyone is doing good!

I need experts help here. I want to know, What is payment journal, invoice journal in AP module.

In AX 2009, one our client was created one payment journal and post under AP Module , it contain two lines( one line - unit dimension was not picked automatically but allowed to posted the Payment journal).

It was reflected in Vendor transaction, unit dimension field is empty for that transaction . Now client is facing issue for audit process.

What actions should take now? Kindly help.

Advance in Thanks and Regards,