Unhandled Error!

Trying to get property of non-object

Document Blog Post
Document type CMS page
Line 23
Exception class Cms_ExecutionException

Code Highlight

<nav class="breadcrumb">
    <div class="row">
        <div class="twelve columns">
            <ul>
                <li> <a href="<?php echo root_url('/'); ?>">Home</a> </li>
                <li> <a href="<?php echo root_url('/blog/'); ?>">Blog</a> </li>
                <li> <a href="/blog/post/<?= $post->url_title ?>"><?= h($post->title) ?></a> </li>
            </ul>
        </div>
    </div>
</nav>
 
<section class="content">
# Document Type
1 Blog Post CMS page