Redmine

I had installed redmine_2.4.6 with ruby1.8.7 under ubuntu 12.04.
Then we add agile_1.3.8 ,something goes wrong here !
when use ruby 1.8.7 ,go with
ruby redmine-2.4.6/script/rails server thin -e production -d
it works,but when click on agile borad ,then 500 internal errors .
log:

*Started GET "/settings/plugin/redmine_agile" for 192.168.4.100 at Tue Mar 10 10:48:52 +0800 2015
Processing by SettingsController#plugin as HTML
  Parameters: {"id"=>"redmine_agile"}
  ^[[1m^[[36m (0.1ms)^[[0m  ^[[1mSELECT MAX(`settings`.`updated_on`) AS max_id FROM `settings` ^[[0m
  ^[[1m^[[35mUser Load (0.2ms)^[[0m  SELECT `users`.* FROM `users` WHERE `users`.`type` IN ('User', 'AnonymousUser') AND `users`.`status` = 1 AND `users`.`id` = ? LIMIT 1  [["id", 1]]
  Current user: admin (id=1)
  Rendered plugins/redmine_agile/app/views/settings/agile/_general.html.erb (3.6ms)
  Rendered settings/plugin.html.erb within layouts/admin (5.3ms)
Completed 500 Internal Server Error in 11.1ms

ActionView::Template::Error (interning empty string):
    6: ^M
    7: <p>^M
    8:   <label><%= l(:label_agile_board_default_fields) %></label>^M
    9:   <%= select_tag 'settings[default_columns]', options_for_select(AgileQuery.new(:column_names => RedmineAgile.default_columns).available_columns.collect{|column| [column.caption, column.name]}, RedmineAgile.default_columns), :multiple => true, :include_blank => true, :size => 10, :style => "width:150px" %>^M
    10: </p>^M
    11: ^M
    12: <p>^M
  app/models/user.rb:219:in `to_sym'
  app/models/user.rb:219:in `to_proc'
  app/models/query.rb:441:in `column_names='
  app/models/query.rb:210:in `initialize'
  app/views/settings/plugin.html.erb:6:in `_app_views_settings_plugin_html_erb___795848594__634660558'
  app/views/settings/plugin.html.erb:4:in `_app_views_settings_plugin_html_erb___795848594__634660558'
*

I search on googles ,some good people said ,they use ruby 1.9 ,success .
So I Install ruby-rvm ,change ruby1.8.7 to ruby1.9.3
when I start the server, not success, with log

*=> Booting Thin
=> Rails 3.2.19 application starting in production on http://0.0.0.0:3000
/usr/local/rvm/gems/ruby-1.9.3-p551/gems/activesupport-3.2.19/lib/active_support/core_ext/class/attribute.rb:81:in `block (2 levels) in model_object=': wrong number of arguments (1 for 0) (ArgumentError)
        from /home/sono-1204/redmine-2.4.6/app/controllers/test/comments_controller.rb:20:in `<class:CommentsController>'
        from /home/sono-1204/redmine-2.4.6/app/controllers/test/comments_controller.rb:18:in `<top (required)>'
        from /usr/local/rvm/gems/ruby-1.9.3-p551/gems/activesupport-3.2.19/lib/active_support/dependencies.rb:251:in `require'
        from /usr/local/rvm/gems/ruby-1.9.3-p551/gems/activesupport-3.2.19/lib/active_support/dependencies.rb:251:in `block in require'
        from /usr/local/rvm/gems/ruby-1.9.3-p551/gems/activesupport-3.2.19/lib/active_support/dependencies.rb:236:in `load_dependency'
        from /usr/local/rvm/gems/ruby-1.9.3-p551/gems/activesupport-3.2.19/lib/active_support/dependencies.rb:251:in `require'
        from /usr/local/rvm/gems/ruby-1.9.3-p551/gems/activesupport-3.2.19/lib/active_support/dependencies.rb:359:in `require_or_load'
        from /usr/local/rvm/gems/ruby-1.9.3-p551/gems/activesupport-3.2.19/lib/active_support/dependencies.rb:313:in `depend_on'
        from /usr/local/rvm/gems/ruby-1.9.3-p551/gems/activesupport-3.2.19/lib/active_support/dependencies.rb:225:in `require_dependency'
        from /usr/local/rvm/gems/ruby-1.9.3-p551/gems/railties-3.2.19/lib/rails/engine.rb:444:in `block (2 levels) in eager_load!'
        from /usr/local/rvm/gems/ruby-1.9.3-p551/gems/railties-3.2.19/lib/rails/engine.rb:443:in `each'
        from /usr/local/rvm/gems/ruby-1.9.3-p551/gems/railties-3.2.19/lib/rails/engine.rb:443:in `block in eager_load!'
        from /usr/local/rvm/gems/ruby-1.9.3-p551/gems/railties-3.2.19/lib/rails/engine.rb:441:in `each'
        from /usr/local/rvm/gems/ruby-1.9.3-p551/gems/railties-3.2.19/lib/rails/engine.rb:441:in `eager_load!'
        from /usr/local/rvm/gems/ruby-1.9.3-p551/gems/railties-3.2.19/lib/rails/application/finisher.rb:53:in `block in <module:Finisher>'
        from /usr/local/rvm/gems/ruby-1.9.3-p551/gems/railties-3.2.19/lib/rails/initializable.rb:30:in `instance_exec'
        from /usr/local/rvm/gems/ruby-1.9.3-p551/gems/railties-3.2.19/lib/rails/initializable.rb:30:in `run'
        from /usr/local/rvm/gems/ruby-1.9.3-p551/gems/railties-3.2.19/lib/rails/initializable.rb:55:in `block in run_initializers'
        from /usr/local/rvm/gems/ruby-1.9.3-p551/gems/railties-3.2.19/lib/rails/initializable.rb:54:in `each'
        from /usr/local/rvm/gems/ruby-1.9.3-p551/gems/railties-3.2.19/lib/rails/initializable.rb:54:in `run_initializers'
        from /usr/local/rvm/gems/ruby-1.9.3-p551/gems/railties-3.2.19/lib/rails/application.rb:136:in `initialize!'
        from /usr/local/rvm/gems/ruby-1.9.3-p551/gems/railties-3.2.19/lib/rails/railtie/configurable.rb:30:in `method_missing'
        from /home/sono-1204/redmine-2.4.6/config/environment.rb:14:in `<top (required)>'
        from /home/sono-1204/redmine-2.4.6/config.ru:3:in `require'
        from /home/sono-1204/redmine-2.4.6/config.ru:3:in `block in <main>'
        from /usr/local/rvm/gems/ruby-1.9.3-p551/gems/rack-1.4.5/lib/rack/builder.rb:51:in `instance_eval'
        from /usr/local/rvm/gems/ruby-1.9.3-p551/gems/rack-1.4.5/lib/rack/builder.rb:51:in `initialize'
        from /home/sono-1204/redmine-2.4.6/config.ru:in `new'
        from /home/sono-1204/redmine-2.4.6/config.ru:in `<main>'
        from /usr/local/rvm/gems/ruby-1.9.3-p551/gems/rack-1.4.5/lib/rack/builder.rb:40:in `eval'
        from /usr/local/rvm/gems/ruby-1.9.3-p551/gems/rack-1.4.5/lib/rack/builder.rb:40:in `parse_file'
        from /usr/local/rvm/gems/ruby-1.9.3-p551/gems/rack-1.4.5/lib/rack/server.rb:200:in `app'
        from /usr/local/rvm/gems/ruby-1.9.3-p551/gems/railties-3.2.19/lib/rails/commands/server.rb:46:in `app'
        from /usr/local/rvm/gems/ruby-1.9.3-p551/gems/rack-1.4.5/lib/rack/server.rb:304:in `wrapped_app'
        from /usr/local/rvm/gems/ruby-1.9.3-p551/gems/rack-1.4.5/lib/rack/server.rb:254:in `start'
        from /usr/local/rvm/gems/ruby-1.9.3-p551/gems/railties-3.2.19/lib/rails/commands/server.rb:70:in `start'
        from /usr/local/rvm/gems/ruby-1.9.3-p551/gems/railties-3.2.19/lib/rails/commands.rb:55:in `block in <top (required)>'
        from /usr/local/rvm/gems/ruby-1.9.3-p551/gems/railties-3.2.19/lib/rails/commands.rb:50:in `tap'
        from /usr/local/rvm/gems/ruby-1.9.3-p551/gems/railties-3.2.19/lib/rails/commands.rb:50:in `<top (required)>'
        from /home/sono-1204/redmine-2.4.6/script/rails:6:in `require'
        from /home/sono-1204/redmine-2.4.6/script/rails:6:in `<main>'*

maybe there are someway to solve this problem ,thanks.