From: Ben Daniels Date: 2013-07-06T03:02:10+09:00 Subject: Re: Error on installing Ruby 2.0.0 from source Nobuyoshi Nakada wrote in post #1114433: > Ben Daniels wrote in post #1113742: >> /usr/local/lib/ruby/site_ruby/2.0.0/rbconfig/datadir.rb:9:in `> (required)>': Use RbConfig instead of obsolete and deprecated Config. > > Uninstall old rubygems. This fixed it! For some reason it was calling back to the old directories in the path. I did an RVM remove and have only the latest version of rubygems and now irb and the RVM functions are working. Thanks Nobu. -- Posted via http://www.ruby-forum.com/.