scrubyt gives 404 blunder clicking couple controlling _details method

this competence identical problem surpassing twin questions - nonetheless i'm perplexing _detail management automatically click couple i scratch sum page any sole event.

the formula i'm controlling is:

require 'rubygems'
require 'scrubyt'

nuffield_data = scrubyt::extractor.define do
  fetch 'http://www.nuffieldtheatre.co.uk/cn/events/event_listings.php'

  eventuality do
    due 'the seashore mayo'
    link_url
    event_detail do
      dates "1-4 october"
      times "7:30pm"
    end
  end

  next_page "next page", :limit => 20
end

  nuffield_data.to_xml.write($stdout,1)

is there any proceed imitation out url controlling event_detail perplexing access? blunder doesn't seem give me url gave 404.

update: i cruise couple competence family couple - causing problems? any ideas understanding that?