Diagnosis
You have positioned the cursor in a field in which the selectionfunction is not supported.
In the current list, you can only select codes or explode or compresshierarchy nodes using this function.

System Response

Procedure

• If you want to select a code, you must position the cursor in a code
line outside of the hierarchy node before calling up thefunction.

• If you want to explode or compress a hierarchy node, you must position
the cursor on the + or - symbol before calling up thefunction.