Console

# ERROR RETURNED ---------
ActionView::TemplateError (ActionView::Helpers::JavaScriptProxy#to_str should return String) on line #7 of app/views/topics/create.rjs:
4: page.replace_html :notice, flash[:notice]
5: flash.discard
6: 
7: page.create_topics_sortable()

    app/helpers/topics_helper.rb:7:in `create_topics_sortable'
    app/views/topics/create.rjs:7:in `_run_rjs_app47views47topics47create46rjs'
    app/views/topics/create.rjs:1:in `_run_rjs_app47views47topics47create46rjs'
    haml (2.2.18) lib/haml/helpers/action_view_mods.rb:13:in `render'
    app/controllers/topics_controller.rb:23:in `create'
    haml (2.2.18) lib/sass/plugin/rails.rb:19:in `process'

create.rjs

#This works
page.replace_html('sortable_list_control', sortable_element('topics', :url => sort_topics_path)) 

#This doesn't
page.create_topics_sortable()

topics_helper.rb

include ActionView::Helpers::ScriptaculousHelper

module TopicsHelper
  
  def create_topics_sortable
    page.replace_html('sortable_list_control', sortable_element('topics', :url => sort_topics_path))
  end
end