I've just installed enginex and when I try to run it I get the following error.
/Users/tesla/.rvm/rubies/ruby-1.9.2-p0/lib/ruby/site_ruby/1.9.1/rubygems.rb:268:in `activate': can't activate activesupport (= 3.0.0) for [], already activated activesupport-3.0.5 for [] (Gem::LoadError)
from /Users/tesla/.rvm/rubies/ruby-1.9.2-p0/lib/ruby/site_ruby/1.9.1/rubygems/custom_require.rb:50:in `block in require'
from /Users/tesla/.rvm/rubies/ruby-1.9.2-p0/lib/ruby/site_ruby/1.9.1/rubygems/custom_require.rb:48:in `each'
from /Users/tesla/.rvm/rubies/ruby-1.9.2-p0/lib/ruby/site_ruby/1.9.1/rubygems/custom_require.rb:48:in `require'
from /Users/tesla/.rvm/gems/ruby-1.9.2-p0/gems/enginex-0.8.1/lib/enginex.rb:2:in `<top (required)>'
from /Users/tesla/.rvm/rubies/ruby-1.9.2-p0/lib/ruby/site_ruby/1.9.1/rubygems/custom_require.rb:54:in `require'
from /Users/tesla/.rvm/rubies/ruby-1.9.2-p0/lib/ruby/site_ruby/1.9.1/rubygems/custom_require.rb:54:in `require'
from /Users/tesla/.rvm/gems/ruby-1.9.2-p0/gems/enginex-0.8.1/bin/enginex:4:in `<top (required)>'
from /Users/tesla/.rvm/gems/ruby-1.9.2-p0/bin/enginex:19:in `load'
from /Users/tesla/.rvm/gems/ruby-1.9.2-p0/bin/enginex:19:in `<main>'
Any help is really appreciated. I can't wait to start following the book...