From: Phrogz Date: 2006-10-17T22:20:12+09:00 Subject: Re: attributes-3.2.0 Une B�vue wrote: > ERROR: Error installing gem attributes[.gem]: undefined method > `required_ruby_version' for nil:NilClass I'm also on Mac OS X 10.4.8, and it works for me, but with an older version of gems: Slim:~ gavinkistner$ ruby -v && gem -v ruby 1.8.5 (2006-08-25) [powerpc-darwin8.7.0] 0.8.11 Slim:~ gavinkistner$ sudo gem install attributes Password: Attempting local installation of 'attributes' Local gem file not found: attributes*.gem Attempting remote installation of 'attributes' Updating Gem source index for: http://gems.rubyforge.org Successfully installed attributes-3.2.0 In fact, I can't seem to upgrade gems (but let's not hijack the thread with that bit of info).