rubygems.rb:827:in `report_activate_error': RubyGem version error: rack(1.0.0 not ~> 1.0.1) (Gem::LoadError)


c:\dev\AwesomeDudes>ruby script/server
C:/Ruby/lib/ruby/site_ruby/1.8/rubygems.rb:827:in `report_activate_error': RubyGem version error: rack(1.0.0 not ~> 1.0.1) (Gem::LoadError)
from C:/Ruby/lib/ruby/site_ruby/1.8/rubygems.rb:261:in `activate'
from C:/Ruby/lib/ruby/site_ruby/1.8/rubygems.rb:68:in `gem'
from C:/Ruby/lib/ruby/gems/1.8/gems/actionpack-2.3.5/lib/action_controller.rb:34
from C:/Ruby/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:31:in `gem_original_require'
from C:/Ruby/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:31:in `require'
from C:/Ruby/lib/ruby/gems/1.8/gems/activesupport-2.3.5/lib/active_support/dependencies.rb:156:in `require'
from C:/Ruby/lib/ruby/gems/1.8/gems/activesupport-2.3.5/lib/active_support/dependencies.rb:521:in `new_constants_in'
from C:/Ruby/lib/ruby/gems/1.8/gems/activesupport-2.3.5/lib/active_support/dependencies.rb:156:in `require'
from C:/Ruby/lib/ruby/gems/1.8/gems/rails-2.3.5/lib/commands/server.rb:2
from C:/Ruby/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:31:in `gem_original_require'
from C:/Ruby/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:31:in `require'
from script/server:3

c:\dev\AwesomeDudes>gem install -v=1.0.1 rack --source http://chneukirchen.org/releases/gems
Successfully installed rack-1.0.1
1 gem installed
Installing ri documentation for rack-1.0.1...
Installing RDoc documentation for rack-1.0.1...

c:\dev\AwesomeDudes>ruby script/server
=> Booting Mongrel
=> Rails 2.3.5 application starting on http://0.0.0.0:3000
C:/Ruby/lib/ruby/gems/1.8/gems/actionpack-2.3.5/lib/action_controller/mime_type.rb:80: warning: already initialized constant FBML
=> Call with -d to detach
=> Ctrl-C to shutdown server