Try Again button does not work

In Coursepress 2 when I do a chapter an fail I get a "Try again" button which is fine. But when I click it to actually try again absolutely nothing happens. It just sits there. The failed summary box disappears and the button disapperas but nothing else happens.

Here are some sceenshots:
http://sites.extremehosting.ca/temp/tryagain_before.jpg
http://sites.extremehosting.ca/temp/tryagain_after.jpg

What it suppose to do? Is this broken?