SAP Message 6D064 - SU &1 &2 &3 was already settled. SCK &2 will not be settled.

Diagnosis The settlement unit BU &v1& SCK &v2& SU &v3& has already been settled.You have selected this settlement with your selection criteria. Thusservice charge key &v2& will not be taken into account and has beenremoved from the selection. System Response Complete settlement will be carried out, excluding the settlement ofservice charge key &v2&. Procedure If you do not want to settle the remaining service charge keys in thisway, exit this transaction and start the service charge settlementagain.