The view is only changeable if a reference object has not been assigned

What causes this issue?

You tried to change the view of <DS:GLOS.Reference Object>Reference
Objects</>. However, this is not allowed as a reference object already
exists.

System Response

INCLUDE NO-FUNCTION OBJECT DOKU ID TX LANGUAGE DE

How to fix this error?

You can only change the view of the reference object, if <zh> no
</> reference object exists.

Error message extract from SAP system. Copyright SAP SE.