Started GET "/users/9/edit" for 10.0.2.21 at Tue Aug 21 13:37:28 +0200 2012
Processing by UsersController#edit as HTML
  Parameters: {"id"=>"9"}
DEPRECATION WARNING: :confirm option is deprecated and will be removed from Rails 4.0. Use ':data => { :confirm => 'Text' }' instead. (called from _app_views_users_edit_html_erb___2088953057_70251841079260 at /var/lib/redmine/app/views/users/edit.html.erb:4)
  Rendered users/_mail_notifications.html.erb (13.9ms)
  Rendered users/_preferences.html.erb (11.3ms)
  Rendered users/_form.html.erb (36.2ms)
  Rendered users/_general.html.erb (40.5ms)
DEPRECATION WARNING: link_to_function is deprecated and will be removed from Rails 4.0. (called from _app_views_users__memberships_html_erb___1586382760_70251837771040 at /var/lib/redmine/app/views/users/_memberships.html.erb:32)
DEPRECATION WARNING: link_to_function is deprecated and will be removed from Rails 4.0. (called from _app_views_users__memberships_html_erb___1586382760_70251837771040 at /var/lib/redmine/app/views/users/_memberships.html.erb:38)
  Rendered users/_memberships.html.erb (33.6ms)
  Rendered common/_tabs.html.erb (74.8ms)
  Rendered users/edit.html.erb within layouts/admin (79.3ms)
Completed 500 Internal Server Error in 87ms

ActionView::Template::Error (undefined method `remote_function' for #<#<Class:0x7fc990026e10>:0x7fc9902c6238>):
    40:                            :class => 'icon icon-edit'
    41:           %>
    42:       <%= link_to_remote(
    43:             l(:button_delete),
    44:             { :url => user_membership_path(@user, membership),
    45:               :method => :delete },
    46:             :class => 'icon icon-del'
  lib/plugins/prototype_legacy_helper/lib/prototype_legacy_helper.rb:178:in `link_to_remote'
  app/views/users/_memberships.html.erb:43:in `_app_views_users__memberships_html_erb___1586382760_70251837771040'
  app/views/users/_memberships.html.erb:14:in `_app_views_users__memberships_html_erb___1586382760_70251837771040'
  app/views/common/_tabs.html.erb:24:in `_app_views_common__tabs_html_erb__1718257970_70251840192700'
  app/views/common/_tabs.html.erb:23:in `each'
  app/views/common/_tabs.html.erb:23:in `_app_views_common__tabs_html_erb__1718257970_70251840192700'
  app/helpers/application_helper.rb:231:in `render_tabs'
  app/views/users/edit.html.erb:9:in `_app_views_users_edit_html_erb___2088953057_70251841079260'