Assignment of controlling scenario not complete

What causes this issue?

Your settings for the assignment of the
<DS:GLOS.33E3BECDCB01D511BCBB0800060D9C68>Controlling scenario</> are
incomplete.

System Response

The settings cannot be saved.

How to fix this error?

Complete your settings.

Procedure for System Administrators

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

Error message extract from SAP system. Copyright SAP SE.