cros plugin bug with redmine_tags

[cforce]

There is bug when redmine_rags ( https://github.com/kulesa/redmine_better_gantt_chart/issues/87 ) is installed also, as soon as i call gantt view following error occours:

Started GET "/projects/spielwiese/issues/gantt" for 172.25.252.99 at 2012-12-12 16:50:08 +0100 Processing by GanttsController#show as HTML Parameters: {"project_id"=>"spielwiese"} Current user: 00001276 (id=3) Rendered queries/_filters.html.erb (83.0ms) Rendered plugins/redmine_better_gantt_chart/app/views/gantts/show.html.erb within layouts/base (1811.0ms) Completed 500 Internal Server Error in 2277ms

ActionView::Template::Error (undefined method gantt_calendar_for' for #<#<Class:0x28bca4>:0x78ec83>): 73: 74: # Width of the entire chart 75: g_width = ((@gantt.work_days_in(@gantt.date_to, @gantt.date_from) + 1) * zoom).to_i 76: @gantt.render(:top => headers_height + 8, 77: :zoom => zoom, 78: :g_width => g_width, 79: :subject_width => subject_width) app/models/project.rb:713:inproject_tree' app/models/project.rb:709:in `project_tree'