Diagnosis
You have already revaluated asset &v1& (subnumber &v2&). You cannotmake a difference posting in the period you have chosen, either becausethe asset has already reached the end of its useful life or you havechanged the useful life in the asset master.

Procedure
The values that you are trying to post would lead to inconsistencies inthe system. It is possible that you may have recently changed theCustomizing data or asset master data. However, if you still wish toproceed with the posting, reverse the accounting documents for theperiod in question and execute the Asset Revaluation program again.