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:inconst_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:inrequire’
from script/about:3