SAP Message VK028 - Rebate condition & is not defined for this transaction

Diagnosis
You have attempted to process rebate condition type &V1& with atransaction not defined for the processing of rebate condition types.

System Response
You cannot maintain rebate condition type &V1& using this transaction.

Procedure
Rebate conditions can only be processed using therebate agreement. You can reach the maintenancescreen for rebate agreements via the master data menu of yourapplication.