A bug while displaying associated records.

forum_bug_1.12.204.rb

#Forum model
has_many :topics

#Topic model
belongs_to :forum

#forums#show action

  def show
    @forum = Forum::Forum.find_by_id(params[:id])
    if @forum.hidden > 0  && !(user_in?([:admins, :masters]) || user_permitted?(:show_hidden))
      url = case @forum.parent_id
              when 0 then forums_path
              else forum_path(@forum.parent)
            end
      redirect_to url
    else
      @topics = @forum.topics
      @meta[:title] = "#{@forum.name} - #{t("forum.head.index")}"
    end
  end