Newer Older not working! Please Help

Everything was fine a couple days ago but now for some reason the newer/older button doesn’t work properly. It sends me to Page 2 and it says there is an error and doesn’t show any thumbnails. you can see it at joshmadden.com

thanks

<?php endif; ?>
<?php endif; ?>
<?php endwhile; ?>

<?php else: ?>

<div id=”single”>
<h1>Whoops</h1>
<p>Sorry for the error!</p>
</div>

<?php endif; ?>

<div id=”newold”>
<span class=”newer”><?php previous_posts_link(‘« Newer’) ?></span>
<span class=”older”><?php next_posts_link(‘Older »’) ?></span>
</div>

<?php get_footer(); ?>