IP Cache Statistics error message when enabled

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IP Cache Statistics

IP caching is enabled

Warning: Missing argument 2 for wpdb::prepare(), called in /home/hostings/public_html/wp-content/plugins/comment-spam-pack/avh-files/class/avh-fdas.admin.php on line 228 and defined in /home/hostings/public_html/wp-includes/wp-db.php on line 992

Warning: Missing argument 2 for wpdb::prepare(), called in /home/hostings/public_html/wp-content/plugins/comment-spam-pack/avh-files/class/avh-fdas.admin.php on line 229 and defined in /home/hostings/public_html/wp-includes/wp-db.php on line 992

Warning: Missing argument 2 for wpdb::prepare(), called in /home/hostings/public_html/wp-content/plugins/comment-spam-pack/avh-files/class/avh-fdas.admin.php on line 230 and defined in /home/hostings/public_html/wp-includes/wp-db.php on line 992