running povray always produces an unknown error. a search in the povray beta test newsgroup led to the following post: http://news.povray.org/povray.beta-test/thread/%3C49666d93$1@news.povray.org%3E/ i created a patch based on the information in this thread that solved the problem.
Created attachment 178699 [details, diff] patch to solve the problem, based on the information in the povray beta test newsgroup
It's not a blocker.
Fixed - applied patch. Thanks for submission!