AskBug 2.0.2 with AnsPress 4.0.3

Can I use AskBug 2.0.2 with Anspress into 4.0.3.?
I’m using AskBug 2.0.2 and today I updated Anspress from 3 into 4.0.3.
But pages (http://sharoushimuryousoudan.com/) can not show as before updating.