Search help binding is incomplete (name or parameter missing)

What causes this issue?

The <DS:TX.DDDOK_SHLP_TBSH>search help attachment</> to the data
element is incomplete. Either the name of the search help or the name
of the search help parameter that is allocated to the data element is
missing.

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

If you want to attach a search help to the data element, enter both the
name of the search help and the name of the search help parameter that
is allocated to the data element. If there is no search help attached
to the data element, delete the entry in the search help name or search
help parameter field.

Error message extract from SAP system. Copyright SAP SE.