Unhandled Error!

Trying to get property of non-object

Document Product
Document type CMS page
Line 7
Exception class Cms_ExecutionException

Code Highlight

<nav class="breadcrumb">
	<ul class="items">
		<li>
			<a href="<?php echo root_url('/'); ?>">Home</a>
		</li>
		<li>
			<a href="<? echo $product->category_list[0]->page_url('/category'); ?>" title="<?php echo $product->category_list[0]->name; ?>"><?php echo $product->category_list[0]->name;?></a>
		</li>
		<li>
			<a href="<?php echo $product->page_url('/product'); ?>"><?php echo $product->name; ?></a>
		</li>
	</ul>
</nav>
# Document Type
1 Product CMS page