Select exactly one key figure for the 'Sort - descending order' option

What causes this issue?

A graphic with key figure values sorted in descending order is to be
displayed for precisely one indicator. However, you have selected more
than one indicator.

System Response

The system does not allow further processing.

How to fix this error?

Select one indicator or deactivate the "Sort in descending order"
function.

Error message extract from SAP system. Copyright SAP SE.