There are no details for this line.

What causes this issue?

The cursor is on a code group or a selected set that contain no codes.

System Response

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

How to fix this error?

Move the cursor to a code group or a selected set that contains codes
(that is, the "Empty" column is blank).

Error message extract from SAP system. Copyright SAP SE.