Diagnosis
You have entered several payment dates, at least one of which is a dateearlier than today.

System Response
If you enter more than one payment date, the system ignores theintervals defined in customizing and applies only the payment dateentered in the selection parameters.
Regardless of whether the payments are determined periodically usingyour customizing specifications or manually using the selection, thesystem only includes today or later dates.

Procedure
Check the payment dates entered.