Diagnosis
In the planning layout, you have flagged the Currency valuecolumn as ready for input.
As currencies depend on constand factors, such as objects, controllingareas, or FM areas, you cannot change them. This means that the columnmust not be flagged as ready for input.

System Response
The system does not save the layout.

Procedure
Do not flag the currency column as ready for input.
If you want to work with transaction currencies, you can enter thecommitment item and transaction currency in the key column. This way,you can choose whatever currency you like in the planning session.