Search help parameter & as display field on selection screen w/o position

What causes this issue?

The flag that it should appear as a display field in the dialog box for
restricting values is set for a
<DS:TX.DDDOK_SHLP_PARAMETER>parameter</> of the search help, but the
parameter was not assigned a position in the dialog box.

System Response

INCLUDE DDDOC_CANCEL

How to fix this error?

If the parameter should not appear in the dialog box, reset this flag.
Otherwise assign the parameter a position in the dialog box. Note that
positions must be assigned sequentially starting with 1 for parameters
which are to appear in the dialog box.
INCLUDE DDDOC_SHLP_HANDLE OBJECT DOKU ID TX

Error message extract from SAP system. Copyright SAP SE.