will paginate?

I installed the gem will_paginate and made a simple view to mess out how it works

in the controller i have

@sites = Site.paginate :per_page => 10, :page => params[:page]

simple view

<% for @sites in @sites %>

<%= @sites.naam %>

<%= will_paginate @sites %>

<% end %>

but i got no result

ActionView::TemplateError (undefined method `page_count' for #<Site:0x3473594>) on line #5 of home/all.rhtml: 2: 3: <%= @sites.naam %> 4: 5: <%= will_paginate @sites %> 6: 7: <% end %>

    /usr/local/lib/ruby/gems/1.8/gems/activerecord-2.0.2/lib/active_record/attribute_methods.rb:205:in `method_missing'     vendor/plugins/will_paginate/lib/will_paginate/view_helpers.rb:91:in `will_paginate'     app/views/home/all.rhtml:5:in `_run_erb_47app47views47home47all46rhtml'     app/views/home/all.rhtml:1:in `each'     app/views/home/all.rhtml:1:in `_run_erb_47app47views47home47all46rhtml'     /usr/local/lib/ruby/gems/1.8/gems/actionpack-2.0.2/lib/action_view/base.rb:637:in `send'     /usr/local/lib/ruby/gems/1.8/gems/actionpack-2.0.2/lib/action_view/base.rb:637:in `compile_and_render_template'     /usr/local/lib/ruby/gems/1.8/gems/actionpack-2.0.2/lib/action_view/base.rb:365:in `render_template'     /usr/local/lib/ruby/gems/1.8/gems/actionpack-2.0.2/lib/action_view/base.rb:316:in `render_file'     /usr/local/lib/ruby/gems/1.8/gems/actionpack-2.0.2/lib/action_controller/base.rb:1100:in `render_for_file'     /usr/local/lib/ruby/gems/1.8/gems/actionpack-2.0.2/lib/action_controller/base.rb:836:in `render_with_no_layout'     /usr/local/lib/ruby/gems/1.8/gems/actionpack-2.0.2/lib/action_controller/layout.rb:262:in `render_without_benchmark'     /usr/local/lib/ruby/gems/1.8/gems/actionpack-2.0.2/lib/action_controller/benchmarking.rb:51:in `render'     /usr/local/lib/ruby/1.8/benchmark.rb:293:in `measure'     /usr/local/lib/ruby/gems/1.8/gems/actionpack-2.0.2/lib/action_controller/benchmarking.rb:51:in `render'     /usr/local/lib/ruby/gems/1.8/gems/actionpack-2.0.2/lib/action_controller/base.rb:1153:in `default_render'     /usr/local/lib/ruby/gems/1.8/gems/actionpack-2.0.2/lib/action_controller/base.rb:1159:in `perform_action_without_filters'     /usr/local/lib/ruby/gems/1.8/gems/actionpack-2.0.2/lib/action_controller/filters.rb:697:in `call_filters'     /usr/local/lib/ruby/gems/1.8/gems/actionpack-2.0.2/lib/action_controller/filters.rb:689:in `perform_action_without_benchmark'     /usr/local/lib/ruby/gems/1.8/gems/actionpack-2.0.2/lib/action_controller/benchmarking.rb:68:in `perform_action_without_rescue'     /usr/local/lib/ruby/1.8/benchmark.rb:293:in `measure'     /usr/local/lib/ruby/gems/1.8/gems/actionpack-2.0.2/lib/action_controller/benchmarking.rb:68:in `perform_action_without_rescue'     /usr/local/lib/ruby/gems/1.8/gems/actionpack-2.0.2/lib/action_controller/rescue.rb:199:in `perform_action_without_caching'     /usr/local/lib/ruby/gems/1.8/gems/actionpack-2.0.2/lib/action_controller/caching.rb:678:in `perform_action'     /usr/local/lib/ruby/gems/1.8/gems/activerecord-2.0.2/lib/active_record/connection_adapters/abstract/query_cache.rb:33:in `cache'     /usr/local/lib/ruby/gems/1.8/gems/activerecord-2.0.2/lib/active_record/query_cache.rb:8:in `cache'     /usr/local/lib/ruby/gems/1.8/gems/actionpack-2.0.2/lib/action_controller/caching.rb:677:in `perform_action'     /usr/local/lib/ruby/gems/1.8/gems/actionpack-2.0.2/lib/action_controller/base.rb:524:in `send'     /usr/local/lib/ruby/gems/1.8/gems/actionpack-2.0.2/lib/action_controller/base.rb:524:in `process_without_filters'     /usr/local/lib/ruby/gems/1.8/gems/actionpack-2.0.2/lib/action_controller/filters.rb:685:in `process_without_session_management_support'     /usr/local/lib/ruby/gems/1.8/gems/actionpack-2.0.2/lib/action_controller/session_management.rb:123:in `process'     /usr/local/lib/ruby/gems/1.8/gems/actionpack-2.0.2/lib/action_controller/base.rb:388:in `process'     /usr/local/lib/ruby/gems/1.8/gems/actionpack-2.0.2/lib/action_controller/dispatcher.rb:171:in `handle_request'     /usr/local/lib/ruby/gems/1.8/gems/actionpack-2.0.2/lib/action_controller/dispatcher.rb:115:in `dispatch'     /usr/local/lib/ruby/gems/1.8/gems/actionpack-2.0.2/lib/action_controller/dispatcher.rb:126:in `dispatch_cgi'     /usr/local/lib/ruby/gems/1.8/gems/actionpack-2.0.2/lib/action_controller/dispatcher.rb:9:in `dispatch'     /usr/local/lib/ruby/gems/1.8/gems/mongrel-1.1.4/lib/mongrel/rails.rb:76:in `process'     /usr/local/lib/ruby/gems/1.8/gems/mongrel-1.1.4/lib/mongrel/rails.rb:74:in `synchronize'     /usr/local/lib/ruby/gems/1.8/gems/mongrel-1.1.4/lib/mongrel/rails.rb:74:in `process'     /usr/local/lib/ruby/gems/1.8/gems/mongrel-1.1.4/lib/mongrel.rb:159:in `process_client'     /usr/local/lib/ruby/gems/1.8/gems/mongrel-1.1.4/lib/mongrel.rb:158:in `each'     /usr/local/lib/ruby/gems/1.8/gems/mongrel-1.1.4/lib/mongrel.rb:158:in `process_client'     /usr/local/lib/ruby/gems/1.8/gems/mongrel-1.1.4/lib/mongrel.rb:285:in `run'     /usr/local/lib/ruby/gems/1.8/gems/mongrel-1.1.4/lib/mongrel.rb:285:in `initialize'     /usr/local/lib/ruby/gems/1.8/gems/mongrel-1.1.4/lib/mongrel.rb:285:in `new'     /usr/local/lib/ruby/gems/1.8/gems/mongrel-1.1.4/lib/mongrel.rb:285:in `run'     /usr/local/lib/ruby/gems/1.8/gems/mongrel-1.1.4/lib/mongrel.rb:268:in `initialize'     /usr/local/lib/ruby/gems/1.8/gems/mongrel-1.1.4/lib/mongrel.rb:268:in `new'     /usr/local/lib/ruby/gems/1.8/gems/mongrel-1.1.4/lib/mongrel.rb:268:in `run'     /usr/local/lib/ruby/gems/1.8/gems/mongrel-1.1.4/lib/mongrel/configurator.rb:282:in `run'     /usr/local/lib/ruby/gems/1.8/gems/mongrel-1.1.4/lib/mongrel/configurator.rb:281:in `each'     /usr/local/lib/ruby/gems/1.8/gems/mongrel-1.1.4/lib/mongrel/configurator.rb:281:in `run'     /usr/local/lib/ruby/gems/1.8/gems/mongrel-1.1.4/bin/mongrel_rails:128:in `run'     /usr/local/lib/ruby/gems/1.8/gems/mongrel-1.1.4/lib/mongrel/command.rb:212:in `run'     /usr/local/lib/ruby/gems/1.8/gems/mongrel-1.1.4/bin/mongrel_rails:281     /usr/local/lib/ruby/gems/1.8/gems/activesupport-2.0.2/lib/active_support/dependencies.rb:489:in `load'     /usr/local/lib/ruby/gems/1.8/gems/activesupport-2.0.2/lib/active_support/dependencies.rb:489:in `load'     /usr/local/lib/ruby/gems/1.8/gems/activesupport-2.0.2/lib/active_support/dependencies.rb:342:in `new_constants_in'     /usr/local/lib/ruby/gems/1.8/gems/activesupport-2.0.2/lib/active_support/dependencies.rb:489:in `load'     /usr/local/lib/ruby/gems/1.8/gems/rails-2.0.2/lib/commands/servers/mongrel.rb:64     /usr/local/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:27:in `gem_original_require'     /usr/local/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:27:in `require'     /usr/local/lib/ruby/gems/1.8/gems/activesupport-2.0.2/lib/active_support/dependencies.rb:496:in `require'     /usr/local/lib/ruby/gems/1.8/gems/activesupport-2.0.2/lib/active_support/dependencies.rb:342:in `new_constants_in'     /usr/local/lib/ruby/gems/1.8/gems/activesupport-2.0.2/lib/active_support/dependencies.rb:496:in `require'     /usr/local/lib/ruby/gems/1.8/gems/rails-2.0.2/lib/commands/server.rb:39     /usr/local/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:27:in `gem_original_require'     /usr/local/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:27:in `require'     script/server:3

Rendering /usr/local/lib/ruby/gems/1.8/gems/actionpack-2.0.2/lib/action_controller/templates/rescues/layout.erb (internal_server_error)

It seems to be a bug in will_paginate it's a new version maybe i must install the old one