ruby on rails - Routing Error when using Wicked Gem -

i'm following ryan bate's tutorial , getting routing error. i'm super new @ all, i'm sure it's obvious.

my listing steps controller this

class listingstepscontroller < applicationcontroller include wicked::wizard  steps :building, :space, :ownership, :terms  def show     @property = property.new(params[:building])     render_wizard end   def update     @property = property.new(params[:building])     render_wizard @property end 

end

and building.html.erb file this

    <%= form_for @property, url: wizard_path |f| %>  <h1> tell building </h1>     <div class="form">       <%= f.label :company %><br />       <%= f.text_field :company, autofocus: true, class: "form-control" %>     </div>      <div class="form-group">       <%= f.label :description %><br>       <%= f.text_field :description, class: "form-control" %>     </div>       <div class="actions">         <%= f.submit "continue" %>     </div>  <% end %> 

and routes file this

 rails.application.routes.draw   resources :spaces   resources :properties   resources :listing_steps    devise_for :users   root 'properties#index'   'list' => "pages#list"   'reserve' => "pages#reserve" end 

here terminal readout:

 actioncontroller::routingerror (no route matches [post] "/listing_steps/building"):   actionpack (4.2.1) lib/action_dispatch/middleware/debug_exceptions.rb:21:in `call'   web-console (2.1.2) lib/web_console/middleware.rb:37:in `call'   actionpack (4.2.1) lib/action_dispatch/middleware/show_exceptions.rb:30:in `call'   railties (4.2.1) lib/rails/rack/logger.rb:38:in `call_app'   railties (4.2.1) lib/rails/rack/logger.rb:20:in `block in call'   activesupport (4.2.1) lib/active_support/tagged_logging.rb:68:in `block in tagged'   activesupport (4.2.1) lib/active_support/tagged_logging.rb:26:in `tagged'   activesupport (4.2.1) lib/active_support/tagged_logging.rb:68:in `tagged'   railties (4.2.1) lib/rails/rack/logger.rb:20:in `call'   actionpack (4.2.1) lib/action_dispatch/middleware/request_id.rb:21:in `call'   rack (1.6.1) lib/rack/methodoverride.rb:22:in `call'   rack (1.6.1) lib/rack/runtime.rb:18:in `call'   activesupport (4.2.1) lib/active_support/cache/strategy/local_cache_middleware.rb:28:in `call'   rack (1.6.1) lib/rack/lock.rb:17:in `call'   actionpack (4.2.1) lib/action_dispatch/middleware/static.rb:113:in `call'   rack (1.6.1) lib/rack/sendfile.rb:113:in `call'   railties (4.2.1) lib/rails/engine.rb:518:in `call'   railties (4.2.1) lib/rails/application.rb:164:in `call'   rack (1.6.1) lib/rack/lock.rb:17:in `call'   rack (1.6.1) lib/rack/content_length.rb:15:in `call'   rack (1.6.1) lib/rack/handler/webrick.rb:89:in `service'   /users/zak/.rvm/rubies/ruby-2.2.1/lib/ruby/2.2.0/webrick/httpserver.rb:138:in `service'   /users/zak/.rvm/rubies/ruby-2.2.1/lib/ruby/2.2.0/webrick/httpserver.rb:94:in `run'   /users/zak/.rvm/rubies/ruby-2.2.1/lib/ruby/2.2.0/webrick/server.rb:294:in `block in start_thread'     rendered /users/zak/.rvm/gems/ruby-2.2.1/gems/actionpack-4.2.1/lib/action_dispatch/middleware/templates/rescues/_trace.html.erb (1.0ms)   rendered /users/zak/.rvm/gems/ruby-2.2.1/gems/actionpack-4.2.1/lib/action_dispatch/middleware/templates/routes/_route.html.erb (2.0ms)   rendered /users/zak/.rvm/gems/ruby-2.2.1/gems/actionpack-4.2.1/lib/action_dispatch/middleware/templates/routes/_table.html.erb (1.0ms)   rendered /users/zak/.rvm/gems/ruby-2.2.1/gems/actionpack-4.2.1/lib/action_dispatch/middleware/templates/rescues/_request_and_response.html.erb (1.1ms)   rendered /users/zak/.rvm/gems/ruby-2.2.1/gems/actionpack-4.2.1/lib/action_dispatch/middleware/templates/rescues/routing_error.html.erb within rescues/layout (58.5ms)   rendered /users/zak/.rvm/gems/ruby-2.2.1/gems/web-console-2.1.2/lib/web_console/templates/_markup.html.erb (0.4ms)   rendered /users/zak/.rvm/gems/ruby-2.2.1/gems/web-console-2.1.2/lib/web_console/templates/style.css.erb within layouts/inlined_string (0.3ms)   rendered /users/zak/.rvm/gems/ruby-2.2.1/gems/web-console-2.1.2/lib/web_console/templates/_inner_console_markup.html.erb within layouts/inlined_string (0.2ms)   rendered /users/zak/.rvm/gems/ruby-2.2.1/gems/web-console-2.1.2/lib/web_console/templates/_prompt_box_markup.html.erb within layouts/inlined_string (0.2ms)   rendered /users/zak/.rvm/gems/ruby-2.2.1/gems/web-console-2.1.2/lib/web_console/templates/console.js.erb within layouts/javascript (32.4ms)   rendered /users/zak/.rvm/gems/ruby-2.2.1/gems/web-console-2.1.2/lib/web_console/templates/main.js.erb within layouts/javascript (0.3ms)   rendered /users/zak/.rvm/gems/ruby-2.2.1/gems/web-console-2.1.2/lib/web_console/templates/error_page.js.erb within layouts/javascript (0.4ms)   rendered /users/zak/.rvm/gems/ruby-2.2.1/gems/web-console-2.1.2/lib/web_console/templates/index.html.erb (80.4ms) 

thanks help/suggestions

properties_controller.rb

class propertiescontroller < applicationcontroller   def create     @property = property.new(property_params)     if @property.save       session[:property_id] = @property.id       redirect_to listing_steps_path     else       render :new     end   end end