Clicking the torrent link from the control raises an error

[mst]

When I visit the URL http://127.0.0.1:3002/manfred/funny01.xcf?torrent from the controls I get the following error:

Camping Problem! ParkPlace::Controllers::RSlot.GET TypeError? argument must be a Hash (maybe see MetaInfo?.from_location):

• /usr/lib/ruby/site_ruby/1.8/rubytorrent/metainfo.rb:134:in `initialize'

I'm using rubytorrent 0.3, latest camping gem and parkplace svn.