Sign up at http://wiki.jasig.org (click on the Sign up link)
Email pboysen@iastate.edu and he will add you to the group who can report issues.

Go to https://issues.jasig.org, login with the username/password you used above
Click on the Thinkspace project
Select Issues > Create Issue and fill out the following information (others can be left blank):
1. Summary
2. Priority (Only use Blocker or Critical if you can't do anything)
3. Component (Typically ProblemSpace
4. Description

An automated email will be sent to the developer and period emails will be sent as the issue is worked on.

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