From: Dominic Sisneros Date: 2009-03-31T23:57:38+09:00 Subject: Re: Rubygems Problems --000e0cd6acb06a128a04666b6c5f Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit the update to mojombo-grit is the problem. Here is Aslax Hellesoy response to my inquiry on the rubygems mailing list 2009/3/31 Dominic Sisneros > I did a gem cleanup and since then I have been getting the following error > whenever I try to use a gem > I had the same problem yesterday, when I upgraded all my gems. It turns out, this error occurs if you have one broken gem. My solution: Add a puts statement inside gem_path_searcher.rb to find out what gem is broken. Then uninstall it. (For me it was the latest mojombo-grit). And here is the result of the puts # # load error: C:/Documents and Settings/dominic e sisneros/.irbrc NoMethodError: undefined method `join' for nil:NilClass --000e0cd6acb06a128a04666b6c5f--