SAP Message AK006 - Asset is assigned to group asset, transaction type not allowed

Diagnosis The asset &V1& &V2& &V3& that is to be posted is assigned to a groupasset. Retirement transaction type &V4& that you entered postsgain/loss resulting from a retirement to an asset specified by theuser. The combination of both of these specifications is not allowed. Procedure Check the asset and transaction type &V4&.