In the "Manage Fixed Assets" app, the field "Base Unit of Measure" can not be modified in editable model.
SAP S/4HANA Cloud
The field "Base Unit of Measure" can be maintained when creating a asset.
Once there is any posting on the asset, the field can only be display and can't be changed anymore.
Create a new asset with "Base Unit of Measure", then transfer the old asset to the new asset through app "Post Transfer - Within Company Code".
Base Unit of Measure, Asset, Manage Fixed Assets. , KBA , FI-AA-AA-A , Master Data , How To