Unhandled Error!

Trying to get property of non-object

Document	Product
Document type	CMS template
Line	22
Exception class	Cms_ExecutionException

Code Highlight

		</div> <!-- /wrap_my_account -->
		<nav id="secondary" class="colx12">
			<? $this->render_partial('nav:secondary') ?>
 
		</nav>
		<div id="featured" class="full">
			<span class="<?= h($product->x_product_age) ?>"></span>
		</div>
		<nav id="contextual_nav" class="full">
			<ul class="colx12">
				<? $this->render_partial('shop:breadcrumbs') ?>
			</ul>
		</nav>

#	Document	Type
1	Product	CMS template