SAP Message UCUW301 - All views cannot be deactivated; the default view will be activated

Diagnosis
You have deactivated all views of the workbench for a user. This settingis not allowed.

System Response
The system automatically deletes the view selection for the role.

Procedure
The workbench cannot be used without views. At least one view must beselected. If a user with this role really does not want to use theworkbench, you can do this by restricting the authorization fortransactions.
If in the role, no decision is to be made on the possible views in theworkbench, use the standard setting for the selection of views.