http://bugs.winehq.org/show_bug.cgi?id=11021
--- Comment #20 from Matteo Bruni matteo.mystral@gmail.com 2010-06-05 10:32:33 --- Created an attachment (id=28583) --> (http://bugs.winehq.org/attachment.cgi?id=28583) Allow NULL error_messages parameter
509 wpp_messages_size = wpp_messages_capacity = 0;
Hmm, can't be that instruction the culprit. You could try this patch instead. Now I'm downloading the game, I'll give it a run later. Thanks for the report BTW.