[Plugin: Convert Post Types] Error

Fatal Error.

Converting a specific Custom Post type to a Post:
WP: 3.3.1
Browser: FF

Fatal error: Cannot redeclare bulk_convert_posts_add_pages()

(previously declared in /home/(removed)/public_html/wp-content/plugins/convert-post-types/convert-post-types.php:15)

in /home/(removed)/public_html/wp-content/plugins/convert-post-types/convert-post-types.php on line 17

http://wordpress.org/extend/plugins/convert-post-types/