Unhandled Error!

Trying to get property of non-object

Document	Post
Document type	CMS page
Line	12
Exception class	Cms_ExecutionException

Code Highlight

					<a href="<?php echo site_url('/'); ?>">Home</a>
				</li>
				<li>
					<a href="<?php echo site_url('/blog'); ?>">Blog</a>
				</li>
				<li>
					<a href="<?php echo site_url("/blog/post/$post->url_name"); ?>"><?php echo $post->title; ?></a>
				</li>
			</ul>
		</div>
	</div>
</nav>-->

#	Document	Type
1	Post	CMS page