Unhandled Error!

Trying to get property of non-object

Document product_partial
Document type CMS partial
Line 3
Exception class Cms_ExecutionException

Code Highlight

<div id="ca-single-product">
<?= open_form() ?>
<div id="ca-page-heading"><h1><?= $product->name ?></h1></div>
<div id="ca-product-listing-left">
 
 
  <p>Category: <a style="color:#00C;" href="<?= $product->category_list[0]->page_url('/category') ?>"><?= h($product->category_list[0]->name) ?></a></p>
 
 <!---stu added--->
<div class="image">
  <div class="container">
 
<?
# Document Type
2 product_partial CMS partial
1 Product Pages CMS template