SAP Message >3387 - Both arrears and reminder days defined (dun. level &2/dun. proc.&1)

Diagnosis
In dunning level &V2& in dunning procedure &V1&, both arrears andreminder days have been defined. This is not recommended.

System Response
The data has been saved or had already been saved. The system issues aninformation message.

Procedure
Enter either arrears or reminder days.