When creating a you get to
http://www.goproblems.com/group/group/addgroup.php
it should be
http://www.goproblems.com/group/addgroup.php
when you edit a problem and save in the java platform the problem will not load properly anymore
Bugs
Re: Bugs
The add group link seems to experience the same problem again. Also there is an issue with some groups (e.g. all books of Yi Ch'ang-Ho's Selected L&D problems) where when you click one it says "Invalid problem set" and there are no next/previous in set - buttons.