Condition & cannot be processed manually

What causes this issue?

It is specified in <GL:customizing>Customizing</> that
<GL:condition_type>condition</> &V1& cannot be processed manually.

How to fix this error?

If it should be possible to process the condition manually, remove the
indicator 'not possible to process manually' on the condition detail
screen in Customizing.
INCLUDE 'NA_SYSAD3' OBJECT DOKU ID TX LANGUAGE E
IF &DEVICE&='SCREEN'
<ds:TRAN.V/06>Proceed</>
ENDIF
Check first whether it was not intentional or necessary for the
condition to be marked as not permitted for manual processing.

Error message extract from SAP system. Copyright SAP SE.