No equipment and no functional location -> function not possible

What causes this issue?

You are trying to proceed with the function for selecting an
object-related task list. However, you have no object as a reference.

System Response

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

How to fix this error?

As you have no object as a reference, you can only use the functions
for selecting <GL:general_maintenance_task_list>general maintenance
task lists</>.

Error message extract from SAP system. Copyright SAP SE.