Error since 3.5 upgrade

Since my upgrade to 3.5 WordPress version, I got this message in the admin plugin :
Warning: Missing argument 2 for wpdb::prepare(), called in /wp-content/plugins/redirection/models/group.php on line 70 and defined in /wp-includes/wp-db.php on line 990

http://ww.wp.xz.cn/extend/plugins/redirection/