SAP Message 6D127 - RU &1 &2 &3 usage type &4 does not participate in SCS

Diagnosis
Rental unit &v1& &v2& &v3& has a usage type &v4& that does notparticipate in the service charge settlement.
Either delete this rental unit from the participation ID or assign thecharacteristic "SCS participation" to the usage type in Customizing.