error

gistfile1.txt

Started GET "/admin/investors/2" for 192.168.233.1 at 2011-12-23 11:01:45 +0100
  Processing by Admin::InvestorsController#show as HTML
  Parameters: {"id"=>"2"}
  User Load (0.2ms)  SELECT "users".* FROM "users" WHERE "users"."id" = 1 LIMIT 1
  Investor Load (0.3ms)  SELECT "investors".* FROM "investors" WHERE "investors"."id" = ? LIMIT 1  [["id", "2"]]
Completed 406 Not Acceptable in 52ms

investors_controller.rb

class Admin::InvestorsController < AdminController
  def index
    @investors = Investor.all
  end

  def show
    @investor = Investor.find(params[:id])
    @stocks = @investor.stocks
    #@stocks = @investor.investors_stocks.stocks

    respond_to do |format|
      format.pdf do
        pdf = InvestorPdf.new(@investor, view_context)
        send_data pdf.render, filename: "investor_#{@investor}.pdf",
                              type: "application/pdf",
                              disposition: "inline"
        end
    end
  end

  def new
    @investor = Investor.new
  end

  def create
    @investor = Investor.new(params[:investor])

    if @investor.save
      redirect_to admin_investors_path, :notice => "Investor was successfully created."
    else
      render :new
    end
  end

  def edit
    @investor = Investor.find(params[:id])
  end

  def update
    @investor = Investor.find(params[:id])

    if @investor.update_attributes(params[:investor])
      redirect_to @investor, :notice => "Investor was successfully updated."
    else
      render :edit
    end
  end

  def destroy
    @investor = Investor.find(params[:id])
    @investor.destroy
    redirect_to admin_investors_path, :notice => "Investor was successfully deleted."
  end

end

show.haml

%h3= @investor.name

%h3 Aktie udvikling
%table
	%tr
		%th Værdi
		%th Måned
		%th År
	- @stocks.each do |s|	
		%tr
			%td= s.value
			%td= s.month
			%td= s.year