  def delete_default_break
    Log.add_info(request, params.inspect)

    return unless request.post?

    unless params[:org_start].nil?
      org_start = UtilDateTime.parse(params[:org_start]).to_time

      yaml = ApplicationHelper.get_config_yaml

      unless yaml[:timecard].nil? or yaml[:timecard]['default_breaks'].nil?

        yaml[:timecard]['default_breaks'].each do |span|
          if span.first == org_start
            yaml[:timecard]['default_breaks'].delete(span)
            ApplicationHelper.save_config_yaml(yaml)
            break
          end
        end
      end
    end

    @yaml_timecard = yaml[:timecard]
    @yaml_timecard = Hash.new if @yaml_timecard.nil?

    render(:partial => 'ajax_config_break', :layout => false)
  end
The software constructs all or part of an SQL command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended SQL command when it is sent to a downstream component.