I recently migrated from Redmine and I'm finding an error on all my wiki pages.

I searched around and couldn't find any similar threads or issues.

Processing WikiController#show (for 10.0.1.31 at 2011-09-16 11:31:58) [GET]
  Parameters: {"controller"=>"wiki", "action"=>"show", "project_id"=>"group-buyer"}
Rendering template within layouts/base
Rendering wiki/show

ActionView::TemplateError (undefined method `version' for nil:NilClass) on line #3 of app/views/wiki/show.rhtml:
1: <div class="contextual">
2: <% if @editable %>
3: <%= link_to_if_authorized(l(:button_edit), {:action => 'edit', :id => @page.title}, :class => 'icon icon-edit', :accesskey => accesskey(:edit)) if @content.version == @page.content.version %>
4: <%= watcher_link(@page, User.current) %>
5: <%= link_to_if_authorized(l(:button_lock), {:action => 'protect', :id => @page.title, :protected => 1}, :method => :post, :class => 'icon icon-lock') if !@page.protected? %>
6: <%= link_to_if_authorized(l(:button_unlock), {:action => 'protect', :id => @page.title, :protected => 0}, :method => :post, :class => 'icon icon-unlock') if @page.protected? %>

    app/models/wiki_content.rb:62:in `version'
    app/views/wiki/show.rhtml:3:in `_run_rhtml_app47views47wiki47show46rhtml'
    <internal:prelude>:10:in `synchronize'
    passenger (3.0.9) lib/phusion_passenger/rack/request_handler.rb:96:in `process_request'
    passenger (3.0.9) lib/phusion_passenger/abstract_request_handler.rb:513:in `accept_and_process_next_request'
    passenger (3.0.9) lib/phusion_passenger/abstract_request_handler.rb:274:in `main_loop'
    passenger (3.0.9) lib/phusion_passenger/classic_rails/application_spawner.rb:321:in `start_request_handler'
    passenger (3.0.9) lib/phusion_passenger/classic_rails/application_spawner.rb:275:in `block in handle_spawn_application'
    passenger (3.0.9) lib/phusion_passenger/utils.rb:479:in `safe_fork'
    passenger (3.0.9) lib/phusion_passenger/classic_rails/application_spawner.rb:270:in `handle_spawn_application'
    passenger (3.0.9) lib/phusion_passenger/abstract_server.rb:357:in `server_main_loop'
    passenger (3.0.9) lib/phusion_passenger/abstract_server.rb:206:in `start_synchronously'
    passenger (3.0.9) lib/phusion_passenger/abstract_server.rb:180:in `start'
    passenger (3.0.9) lib/phusion_passenger/classic_rails/application_spawner.rb:149:in `start'
    passenger (3.0.9) lib/phusion_passenger/spawn_manager.rb:219:in `block (2 levels) in spawn_rails_application'
    passenger (3.0.9) lib/phusion_passenger/abstract_server_collection.rb:132:in `lookup_or_add'
    passenger (3.0.9) lib/phusion_passenger/spawn_manager.rb:214:in `block in spawn_rails_application'
    passenger (3.0.9) lib/phusion_passenger/abstract_server_collection.rb:82:in `block in synchronize'
    <internal:prelude>:10:in `synchronize'
    passenger (3.0.9) lib/phusion_passenger/abstract_server_collection.rb:79:in `synchronize'
    passenger (3.0.9) lib/phusion_passenger/spawn_manager.rb:213:in `spawn_rails_application'
    passenger (3.0.9) lib/phusion_passenger/spawn_manager.rb:132:in `spawn_application'
    passenger (3.0.9) lib/phusion_passenger/spawn_manager.rb:275:in `handle_spawn_application'
    passenger (3.0.9) lib/phusion_passenger/abstract_server.rb:357:in `server_main_loop'
    passenger (3.0.9) lib/phusion_passenger/abstract_server.rb:206:in `start_synchronously'
    passenger (3.0.9) helper-scripts/passenger-spawn-server:99:in `<main>'

Rendering /Library/WebServer/vhosts/sproutventure.com/subdomains/huddle/httpsdocs/chiliproject/public/500.html (500 Internal Server Error)