ruby on rails LoadError in

Action Controller: Exception caught

LoadError in RecipesController#index

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RAILS_ROOT: D:/aptana/Guestbook

console

Rendering c:/ruby/lib/ruby/gems/1.8/gems/actionpack-2.2.2/lib/action_controller/templates/rescues/layout.erb (not_found)
!!! The bundled mysql.rb driver has been removed from Rails 2.2. Please install the mysql gem and try again: gem install mysql.
ontroller/templates/rescues/layout.erb (not_found)

php ์˜ libmysql.dll ์„ /ruby/bin/ย  ์— copy