I disabled the plugin. It was blowing up on my blog.
Here's what showed on http://tambnguyen.com/feed/
This page contains the following errors:
error on line 32 at column 25: Extra content at the end of the document
Below is a rendering of the page up to the first error.
Tam Nguyen - Sacramento Photographer http://tambnguyen.com Tam Nguyen Photography - Sacramento Portrait, Lifestyle and Wedding Photographer Tue, 13 Dec 2011 16:53:59 +0000 en hourly 1 http://wordpress.org/?v=3.3 Double Exposure: Canon vs. Nikon by Tweakers http://tambnguyen.com/20111213/double-exposure-canon-vs-nikon-by-tweakers/ http://tambnguyen.com/20111213/double-exposure-canon-vs-nikon-by-tweakers/#comments Tue, 13 Dec 2011 16:49:22 +0000 Tam Nguyen http://tambnguyen.com/?p=2512
When viewing the source, I saw this:
32: <description><![CDATA[<br />
33: <b>Fatal error</b>: Call to undefined method dbrc_wpdb::set_charset() in <b>/home/azn137/www/wp-content/plugins/yet-another-related-posts-plugin/cache-tables.php</b> on line <b>266</b><br />
I tried resync the feed and clearing the cache with no luck.