SAP Message >3371 - Dunning activity &1 has function module &2 with incorrect interface

Diagnosis
During the call of a dunning activity, the system determined that theinterface of the function module used in the definition of the dunningactivity &V1& is not correct.

System Response
The dunning activity is not executed. The print date is not set in thedunning notice concerned.

Procedure
Correct the definition of the dunning activities in Customizing.