Why is the gadget "Time in Status" not working for filters that use Epic Link to refine the search?

[bwestST]

We have been using the gadget Time in Status for over a month now and as of today, our filters that include Epic Link no longer allow you to drill down to the item view. It displays a blank list.

[Tuncay Senturk _Snapbytes_]

Which plugin is this "Time in Status" gadget? 

That would be better to raise a support ticket in the vendor's tracking tool.