SAP Message 1G620 - You are changing a condition/conditiongroup used in settlement until &1

Diagnosis
You want to change a condition/condition group that has already beenused in an account balancing.

System Response
The accounts that are affected by the condition change are entered inthe BKK9RK or BKK8RK table. The system carries out retroactiveaccounting for these accounts during the next balancing up to the datethat is entered there. The date depends on the basic settings for theconditions and on the fiscal year start.

Procedure
Conditions that have retroactively been changed or deleted always goflow into the release procedure according to the settings for the dualcontrol procedure.