replace deprecated find_by_all with where

        return redirect_to cfp_root_path, flash:{ error: t('cfp.no_confirmation_token') }

      end

      event_people = event_person.person.event_people.find_all_by_event_id(params[:id])

      event_people = event_person.person.event_people.where(event_id: params[:id])

      login_as(event_person.person.user) if event_person.person.user

    else

      raise "Unauthenticated" unless current_user

      event_people = current_user.person.event_people.find_all_by_event_id(params[:id])

      event_people = current_user.person.event_people.where(event_id: params[:id])

    end

    event_people.each do |event_person|

      event_person.confirm!