[Plugin: Q & A FAQ and Knowledge Base] All FAQs broke after update

Hello

After applying a recent update, all of my FAQs are no longer functional.

http://marylandshallissue.org/faqs/

Whenever I click on one, I get

Catchable fatal error: Object of class WP_Error could not be converted to string in /home/p14acbjb/public_html/wp-content/themes/wppolitico/functions.php on line 48

http://wordpress.org/extend/plugins/q-and-a/