WSOD when query parameter empty

What is the scenario though for empty parameter?

are you asking how/why a query parameter would be left empty in the url?

Yes what’s the real world example to trigger this. If someone manually alters the url is that correct?

smustgrave → closed merge request !164

not sure it's a valid issue but I'll add to help you out.

Thank you!

Yes, someone could also accidentally copy the url without the parameter's value. This is this WSOD/issue was originally discovered. It has happened in the wild at least once.