SAP Message TU517 - You cannot copy the manual history for contract/template &1

Diagnosis You have tried to copy the manual history for contract or template &V1&to target contract or target template &V2&. This is not possiblebecause the target contract or target template already contains manualhistory data. System Response INCLUDE ISU_VERARB OBJECT DOKU ID TX Procedure Delete the manual history data for contract or template &V2&. Copy the manual history.