SAP Message AA257 - Invest.support & posted to sub-no.& and reversed (Please check)

Diagnosis Investment support measures are maintained at main asset number level.You want to delete investment support key &V1&. Investment support hasalready been claimed in asset sub-number &V2&, however this was thenreversed. The investment support measure can be deleted, but thedepreciation area will physically remain. Procedure Confirm that you want to delete investment support measure &V1& bypressing ENTER.