Fix site map and menu order

app/models/item.rb

@@ -56,7 +56,7 @@ class Item
   end
 
   def show_in_sitemap_for(locale)
-    if !sitemap_enabled[locale].blank?
+    if sitemap_enabled && !sitemap_enabled[locale].blank?
       sitemap_enabled[locale].eql?('true') ? true : false
     else
       true