Log in as administrator and go to Requisitions > View.
Select a facility (e.g. Comfort Health Clinic) and click the "Search" button.
Remove the facility from the select field, open the filter and click the "Search" button.
The list of found requisitions disappears and an error appears in the console.
The "Facility" field should be marked in red with an exclamation mark, and the filtering query should not be made at all;
There should be a notification that the "Facility" field cannot be empty.