SAP Message 63537 - Condition for service charge key & not unique

Diagnosis
It has been found that the definitions of the conditions for servicecharge group &V1& (operating costs, heating costs, general servicecharges) in the rental agreement are not unique.

System Response
A definition of the settlement participation cannot be carried out.

Procedure
Define the conditions of the rental agreement so that the operatingcosts, heating costs or general service charges each have no more thanone condition type.