Anti-Slog Error

When I logged as a network admin and created a site, everything working fine until I added post I got this error message. It works when I refresh for the second time. Here is the error message.

Warning: Invalid argument supplied for foreach() in /home/xx-username/public_html/wp-content/plugins/anti-splog/anti-splog.php on line 758

Warning: Cannot modify header information - headers already sent by (output started at /home/xx-username/public_html/wp-content/plugins/anti-splog/anti-splog.php:758) in /home/xx-username/public_html/wp-includes/pluggable.php on line 876