You have not selected any cycles for deletion

What causes this issue?

You are trying to delete a <GL:maintenance_cycle>maintenance cycle</>
without selecting it.

System Response

INCLUDE 'KEINE-FUNKTION' OBJECT DOKU ID TX LANGUAGE E

How to fix this error?

Select the maintenance cycles that you want to delete, and call up
the function again.

Error message extract from SAP system. Copyright SAP SE.