Please specify the search string only in the FROM field

What causes this issue?

You entered data in the fields <LS>From</> and <LS>To</> and selected
the field <LS>String</>.

How to fix this error?

If you want to search via a "From-To" range cancel your entry in the
field <LS>String</>.
If you want to search for a string, cancel the entry in the field
<LS>To</>.

Error message extract from SAP system. Copyright SAP SE.