Redmine

Attach the stack trace please.
And please have a look at SubmittingBugs.

Sorry, i'm noob in rubby =)
Processing ProjectsController#activity (for 93.81.252.247 at 2008-12-22 23:09:48) [GET]
Session ID: 95aa1457306d69b05381aefc8dec715a
Parameters: {"action"=>"activity", "id"=>"inprint-content", "controller"=>"projects"}
Rendering template within layouts/base
Rendering projects/activity

ActionView::TemplateError (private method `gsub' called for nil:NilClass) on line #11 of projects/activity.rhtml:
8: <% @events_by_day[day].sort {|x,y| y.event_datetime <=> x.event_datetime }.each do |e| ->
9: <dt class="<= e.event_type >"><span class="time"><= format_time(e.event_datetime, false) ></span>
10: <= content_tag('span', h(e.project), :class => 'project') if @project.nil? || Herve Harster != e.project >
11: <= link_to format_activity_title(e.event_title), e.event_url ></dt>
12: <dd>< unless e.event_description.blank? ->
13: <span class="description"><= format_activity_description(e.event_description) ></span><br />
14: < end %>

app/helpers/application_helper.rb:95:in `truncate_single_line'
    app/helpers/projects_helper.rb:25:in `format_activity_title'
    app/views/projects/activity.rhtml:11:in `_run_erb_47app47views47projects47activity46rhtml'
    app/views/projects/activity.rhtml:8:in `each'
    app/views/projects/activity.rhtml:8:in `_run_erb_47app47views47projects47activity46rhtml'
    app/views/projects/activity.rhtml:5:in `each'
    app/views/projects/activity.rhtml:5:in `_run_erb_47app47views47projects47activity46rhtml'
    vendor/rails/actionpack/lib/action_view/base.rb:637:in `send'
    vendor/rails/actionpack/lib/action_view/base.rb:637:in `compile_and_render_template'
    vendor/rails/actionpack/lib/action_view/base.rb:365:in `render_template'
    vendor/rails/actionpack/lib/action_view/base.rb:316:in `render_file'
    vendor/rails/actionpack/lib/action_controller/base.rb:1100:in `render_for_file'
    vendor/rails/actionpack/lib/action_controller/base.rb:836:in `render_with_no_layout'
    vendor/rails/actionpack/lib/action_controller/layout.rb:262:in `render_without_benchmark'
    vendor/rails/actionpack/lib/action_controller/benchmarking.rb:51:in `render'
    /usr/lib/ruby/1.8/benchmark.rb:293:in `measure'
    vendor/rails/actionpack/lib/action_controller/benchmarking.rb:51:in `render'
    vendor/rails/actionpack/lib/action_controller/base.rb:1153:in `default_render'
    vendor/rails/actionpack/lib/action_controller/base.rb:1159:in `perform_action_without_filters'
    vendor/rails/actionpack/lib/action_controller/filters.rb:697:in `call_filters'
    vendor/rails/actionpack/lib/action_controller/filters.rb:689:in `perform_action_without_benchmark'
    vendor/rails/actionpack/lib/action_controller/benchmarking.rb:68:in `perform_action_without_rescue'
    /usr/lib/ruby/1.8/benchmark.rb:293:in `measure'
    vendor/rails/actionpack/lib/action_controller/benchmarking.rb:68:in `perform_action_without_rescue'
    vendor/rails/actionpack/lib/action_controller/rescue.rb:199:in `perform_action_without_caching'
    vendor/rails/actionpack/lib/action_controller/caching.rb:678:in `perform_action'
    vendor/rails/activerecord/lib/active_record/connection_adapters/abstract/query_cache.rb:33:in `cache'
    vendor/rails/activerecord/lib/active_record/query_cache.rb:8:in `cache'
    vendor/rails/actionpack/lib/action_controller/caching.rb:677:in `perform_action'
    vendor/rails/actionpack/lib/action_controller/base.rb:524:in `send'
    vendor/rails/actionpack/lib/action_controller/base.rb:524:in `process_without_filters'
    vendor/rails/actionpack/lib/action_controller/filters.rb:685:in `process_without_session_management_support'
    vendor/rails/actionpack/lib/action_controller/session_management.rb:123:in `process'
    vendor/rails/actionpack/lib/action_controller/base.rb:388:in `process'
    vendor/rails/actionpack/lib/action_controller/dispatcher.rb:171:in `handle_request'
    vendor/rails/actionpack/lib/action_controller/dispatcher.rb:115:in `dispatch'
    vendor/rails/actionpack/lib/action_controller/dispatcher.rb:126:in `dispatch_cgi'
    vendor/rails/actionpack/lib/action_controller/dispatcher.rb:9:in `dispatch'
    /usr/lib/ruby/1.8/mongrel/rails.rb:76:in `process'
    /usr/lib/ruby/1.8/mongrel/rails.rb:74:in `synchronize'
    /usr/lib/ruby/1.8/mongrel/rails.rb:74:in `process'
    /usr/lib/ruby/1.8/mongrel.rb:159:in `process_client'
    /usr/lib/ruby/1.8/mongrel.rb:158:in `each'
    /usr/lib/ruby/1.8/mongrel.rb:158:in `process_client'
    /usr/lib/ruby/1.8/mongrel.rb:285:in `run'
    /usr/lib/ruby/1.8/mongrel.rb:285:in `initialize'
    /usr/lib/ruby/1.8/mongrel.rb:285:in `new'
    /usr/lib/ruby/1.8/mongrel.rb:285:in `run'
    /usr/lib/ruby/1.8/mongrel.rb:268:in `initialize'
    /usr/lib/ruby/1.8/mongrel.rb:268:in `new'
    /usr/lib/ruby/1.8/mongrel.rb:268:in `run'
    /usr/lib/ruby/1.8/mongrel/configurator.rb:282:in `run'
    /usr/lib/ruby/1.8/mongrel/configurator.rb:281:in `each'
    /usr/lib/ruby/1.8/mongrel/configurator.rb:281:in `run'
    /usr/bin/mongrel_rails:129:in `run'
    /usr/lib/ruby/1.8/mongrel/command.rb:212:in `run'
    /usr/bin/mongrel_rails:282

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