Hello Dancer2 experts

Following these instructions

I've just run 

dancer2 gen -a MyWeb::App

and it works as expected but or both Dancer2 v0.159003 and v0.160001 calling a non-existent url on the server does not access the 404.html page - instead it prints out something like

I can confirm that it worked correctly with v0.09.

Is this a known issue or should I raise a ticket?

Andrew