rails error message from script/about

ive installed redmine as per their instructions and now im getting this error message.

did i do something wrong or is this on their end? thank you!

# RAILS_ENV=production script/about /usr/local/lib/ruby/gems/1.8/gems/activesupport-2.0.2/lib/active_support/dependencies.rb:263:in `load_missing_constant': uninitialized constant Rails::Info (NameError)         from /usr/local/lib/ruby/gems/1.8/gems/activesupport-2.0.2/lib/active_support/dependencies.rb:453:in `const_missing'         from /usr/local/lib/ruby/gems/1.8/gems/rails-2.0.2/lib/commands/about.rb:2         from /usr/local/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:27:in `gem_original_require'         from /usr/local/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:27:in `require'         from script/about:3