Domain mapping showing error

Hi I ahve domain mapping enabled and am using the ultimatum theme... it shows the error...
Warning: Missing argument 2 for wpdb::prepare(), called in /home/network/public_html/wp-content/plugins/domain-mapping/domain-mapping.php on line 676 and defined in /home/network/public_html/wp-includes/wp-db.php on line 990

I can't seem to figure it out... can you please help...

URL: www,cheapfloristonline.com

Thank you