Redmine

Hi,

I have a problem when I'm trying to access to Administrator Settings on Redmine.
I'm loggin as Admin but when I click on "settings" I have this message

"Internal error

An error occurred on the page you were trying to access.
If you continue to experience problems please contact your Redmine administrator for assistance.

If you are the Redmine administrator, check your log files for details about the error.

Back"

So When I read production.log, I have this message:

1. tail -35 production.log
   Rendered admin/_menu.html.erb (3.5ms)
   Rendered admin/index.html.erb within layouts/admin (6.8ms)
   Rendered layouts/base.html.erb (7.4ms)
   Completed 200 OK in 36ms (Views: 32.4ms | ActiveRecord: 1.0ms)
   Started GET "/settings" for 192.168.0.22 at 2013-06-13 11:56:13 +0200
   Processing by SettingsController#index as HTML
   Current user: admin (id=1)
   Rendered settings/_general.html.erb (5.3ms)
   Rendered settings/_display.html.erb (5.7ms)
   Rendered settings/_authentication.html.erb (4.5ms)
   Rendered settings/_projects.html.erb (4.6ms)
   Rendered settings/_issues.html.erb (3.4ms)
   Rendered common/_tabs.html.erb (46.6ms)
   Rendered settings/edit.html.erb within layouts/admin (48.7ms)
   Completed 500 Internal Server Error in 60ms

ActionView::Template::Error (undefined method `non_working_week_days' for #<Class:0x00000012d99448>):
13:
14: <p><%= setting_select :issue_done_ratio, Issue::DONE_RATIO_OPTIONS.collect {|i| [l("setting_issue_done_ratio_#{i}"), i]} ></p>
15:
16: <p><= setting_multiselect :non_working_week_days, (1..7).map {|d| [day_name(d), d.to_s]}, :inline => true ></p>
17:
18: <p><= setting_text_field :issues_export_limit, :size => 6 %></p>
19:
app/helpers/settings_helper.rb:44:in `setting_multiselect'
app/views/settings/_issues.html.erb:16:in `block in app_views_settings_issues_html_erb__2244954622916775785_181563480'
app/views/settings/_issues.html.erb:1:in `_app_views_settings__issues_html_erb__2244954622916775785_181563480'
app/views/common/_tabs.html.erb:24:in `block in app_views_common_tabs_html_erb__2025202916321033314_183014020'
app/views/common/_tabs.html.erb:23:in `each'
app/views/common/_tabs.html.erb:23:in `_app_views_common__tabs_html_erb__2025202916321033314_183014020'
app/helpers/application_helper.rb:263:in `render_tabs'
app/views/settings/edit.html.erb:3:in `_app_views_settings_edit_html_erb___2544599005512320879_183032140'
app/controllers/settings_controller.rb:26:in `index'