http://bugs.winehq.org/show_bug.cgi?id=30693
--- Comment #3 from Vincent Povirk madewokherd@gmail.com 2012-05-16 08:55:39 CDT --- It's probably missing one of the new exports we need. I'll look into it, but the wine-mono package (https://sourceforge.net/projects/wine/files/Wine%20Mono/) is the way forward so I'm not too concerned.