On the screen you show, it is looking for a SI Unit. For metric distance that would normally be M (meter). Then at the level below 'Definition of valid consumption units' the KM value will be available.
Sap HELP may be useful.
On the screen you show, it is looking for a SI Unit. For metric distance that would normally be M (meter). Then at the level below 'Definition of valid consumption units' the KM value will be available.
Sap HELP may be useful.