Business Rule error


We are using NAV 5.1, and when posting a Sales Order (SO) getting a G/L validation error. The error reads:

Business Rule: DEPT PROG.

Business Object: DEPT

Business Object value=

Business Object Fo;ter = <>"

4174.NAV issue 1.11.10.jpg

I know it is something to do with one of the business rules we setup, but I don’t know where in NAV I can see the rules, or how can also see the Document number it states (IJDR000xxxxxx).


I haven’t come across business rules - is this an add-on or customisation?