i have some bug with moderation on my site

Hi i have some bug with moderation on my site

Warning: Missing argument 2 for wpdb::prepare(), called in /home/**/public_html/wp-content/plugins/moderation/moderation.php on line 430 and defined in /home/**/public_html/wp-includes/wp-db.php on line 992

Warning: Cannot modify header information - headers already sent by (output started at /home/**/public_html/wp-includes/wp-db.php:992) in /home/**/public_html/wp-admin/post.php on line 222

Warning: Cannot modify header information - headers already sent by (output started at /home/**/public_html/wp-includes/wp-db.php:992) in /home/**/public_html/wp-includes/pluggable.php on line 875