je mise à niveau d'une application Rails 2 à Rails 3, quand j'exécute rails console
il lance ceci:méthode non définie retour » pour WillPaginate: Module
$ rails c production
/usr/lib/ruby/gems/1.8/gems/will_paginate-2.3.12/lib/will_paginate.rb:39:in `enable_activerecord': undefined method `returning' for WillPaginate:Module (NoMethodError)
from /usr/lib/ruby/gems/1.8/gems/will_paginate-2.3.12/lib/will_paginate.rb:88
from /usr/lib/ruby/gems/1.8/gems/bundler-1.0.18/lib/bundler/runtime.rb:68:in `require'
from /usr/lib/ruby/gems/1.8/gems/bundler-1.0.18/lib/bundler/runtime.rb:68:in `require'
from /usr/lib/ruby/gems/1.8/gems/bundler-1.0.18/lib/bundler/runtime.rb:66:in `each'
from /usr/lib/ruby/gems/1.8/gems/bundler-1.0.18/lib/bundler/runtime.rb:66:in `require'
from /usr/lib/ruby/gems/1.8/gems/bundler-1.0.18/lib/bundler/runtime.rb:55:in `each'
from /usr/lib/ruby/gems/1.8/gems/bundler-1.0.18/lib/bundler/runtime.rb:55:in `require'
from /usr/lib/ruby/gems/1.8/gems/bundler-1.0.18/lib/bundler.rb:120:in `require'
from /home/neoriddle/proyectos/interkids/config/application.rb:7
from /usr/lib/ruby/gems/1.8/gems/railties-3.0.9/lib/rails/commands.rb:21:in `require'
from /usr/lib/ruby/gems/1.8/gems/railties-3.0.9/lib/rails/commands.rb:21
from script/rails:6:in `require'
from script/rails:6
Comment puis-je résoudre ce problème?