title: Call to a member function getSortedChildren() on a non-object in magento 1.9
body: <p>I have installed magento 1.9. I want to display all products in home page.</p>
  
  <p>So i add the code in home page content section, </p>
  
  <p><code>{{block type="catalog/product_list" name="home.catalog.product.list" alias="products_homepage" template="catalog/product/list.phtml"}}</code></p>
  
  <p>But it displays Call to a member function getSortedChildren() on a non-object in C:\xampp\htdocs\magento\app\design\frontend\rwd\default\template\catalog\product\list.phtml on line 74.</p>
  
  <p>But when i add new products in home page it will work fine.</p>
  
  <p>May i know how to fix this.?</p>
  
  <p>Any help gratefully received.</p>
  
  <p>Thank you.</p>