Redmine

Using r2791

All other trackers in the same project, work.
The same tracker (the default "bug" FYI) in othe rprojects, can list all opened issues without a problem.
But in one project it fails with the following output in production.log

ActionView::TemplateError (undefined method `position' for nil:NilClass) on line #25 of app/views/issues/_list.rhtml:
22:             </td>                                                                                                
23:             </tr>                                                                                                
24:   <% end %>                                                                                                      
25:     <tr id="issue-<%= issue.id %>" class="hascontextmenu <%= cycle('odd', 'even') %> <%= issue.css_classes %>">  
26:         <td class="checkbox"><%= check_box_tag("ids[]", issue.id, false, :id => nil) %></td>                     
27:             <td><%= link_to issue.id, :controller => 'issues', :action => 'show', :id => issue %></td>           
28:         <% query.columns.each do |column| %><%= content_tag 'td', column_content(column, issue), :class => column.name %><% end %>

    app/models/issue.rb:274:in `css_classes'
    app/views/issues/_list.rhtml:25         
    app/views/issues/_list.rhtml:14:in `each'
    app/views/issues/_list.rhtml:14          
    /var/lib/gems/1.8/gems/actionpack-2.2.2/lib/action_view/helpers/capture_helper.rb:36:in `call'
    /var/lib/gems/1.8/gems/actionpack-2.2.2/lib/action_view/helpers/capture_helper.rb:36:in `capture'
    /var/lib/gems/1.8/gems/actionpack-2.2.2/lib/action_view/helpers/capture_helper.rb:129:in `with_output_buffer'
    /var/lib/gems/1.8/gems/actionpack-2.2.2/lib/action_view/helpers/capture_helper.rb:36:in `capture'            
    /var/lib/gems/1.8/gems/actionpack-2.2.2/lib/action_view/helpers/form_tag_helper.rb:460:in `form_tag_in_block'
    /var/lib/gems/1.8/gems/actionpack-2.2.2/lib/action_view/helpers/form_tag_helper.rb:39:in `form_tag'