Solution : https://service.sap.com/sap/support/notes/331327 (SAP Service marketplace login required)
Key words :
additional key words shipment cost, shipment cost items, shipment cost document, form routine knt_exit, batch input report, function module ms_account_assignment_service, batch input, function module, function code, set correctly
Related Notes :
854865 | Batch input: Deleting a freight cost document |