referral_fix.rb

ReferralDocument.each do |r|
  begin
    referral_master = Referral.find(r.referral_id)
    r.update(service_id: referral_master.master_service.id, reference: referral_master.reference)
  rescue ActiveRecord::RecordNotFound => ex1
    puts ex1.class.name + " " + ex1.message + ". Deleting mongo Referral cache..."
    r.destroy
  rescue StandardError => ex2
    puts ex2.class.name + " " + ex2.message
    r.destroy
  end
end

#Try also Referral.all.each {|r| r.sync_with_cache}