SAP Message AAPO177 - Posting with transaction type & is not possible here, see long text

Diagnosis
Transaction type &V1& has a depreciation area limitation, althoughposting is not mandatory in all of the depreciation areas entered.However, it is not possible to select depreciation areas in the currenttransaction.

Procedure
Check the specifications for transaction type &V1& or use transactionV2 to enter the transaction.