diff --git a/app/controllers/admin/pages_controller.rb b/app/controllers/admin/pages_controller.rb
index 13909a27..1cee9f54 100644
--- a/app/controllers/admin/pages_controller.rb
+++ b/app/controllers/admin/pages_controller.rb
@@ -61,7 +61,7 @@ class Admin::PagesController < ApplicationController
   def update
     @item = Page.find(params[:id])
 	
-	if @item.module_app.key == 'page_content' && @item.page_contexts.blank?
+	if @item.module_app && @item.module_app.key == 'page_content' && @item.page_contexts.blank?
 	    @item.page_contexts.build(:create_user_id => current_user.id, :update_user_id => current_user.id )
 	end
 	
diff --git a/app/controllers/pages_controller.rb b/app/controllers/pages_controller.rb
index af5f412a..07d7261c 100644
--- a/app/controllers/pages_controller.rb
+++ b/app/controllers/pages_controller.rb
@@ -14,7 +14,7 @@ class PagesController < ApplicationController
   def show  
      #begin  
        @item = Item.first(:conditions => {:full_name => params[:page_name]})
-       if @item.is_published
+       if @item && @item.is_published
          case @item._type
            when 'Page'    
              render_page(params[:id])
diff --git a/lib/parsers/parser_back_end.rb b/lib/parsers/parser_back_end.rb
index 10d9d4a2..df78df69 100644
--- a/lib/parsers/parser_back_end.rb
+++ b/lib/parsers/parser_back_end.rb
@@ -99,7 +99,7 @@ module ParserBackEnd
         ret = ''
         if (tag.attributes["main"] == "true" && !page.module_app.nil?)
           ret << "<div id='appfrontend' class='dymanic_load' path='/panel/#{page.module_app.key}/front_end/#{page.app_frontend_url}?inner=true&page_id=#{page.id}"
-          ret << "&bulletin_category_id=#{page.category}" if page.category
+          ret << "&bulletin_category_id=#{page.category}" if page[:category]
           ret << "'></div>"
         else
           part = page.page_parts.detect{ |p| p.name.to_s == tag.attr['name'].to_s }
diff --git a/lib/parsers/parser_front_end.rb b/lib/parsers/parser_front_end.rb
index 2ddbb84c..4b30d9c2 100644
--- a/lib/parsers/parser_front_end.rb
+++ b/lib/parsers/parser_front_end.rb
@@ -126,7 +126,7 @@ module ParserFrontEnd
           ret << "<div id='appfrontend' class='dymanic_load' path='/panel/#{page.module_app.key}/front_end/#{page.app_frontend_url}"
           ret << "/#{id}" if id
           ret << "?inner=true&page_id=#{page.id}"
-          ret << "&bulletin_category_id=#{page.category}" if page.category
+          ret << "&bulletin_category_id=#{page.category}" if page[:category]
           ret << "'></div>"
         else
           part = page.page_parts.detect{ |p| p.name.to_s == tag.attr['name'].to_s } rescue nil