BP Social Error Message

When I click to view all members in BP, I gte the following error:

Warning: session_start() [function.session-start]: Cannot send session cache limiter - headers already sent (output started at /home/wryterz/public_html/wp-content/themes/bp-social/members/members-loop.php:14) in /home/wryterz/public_html/wp-content/plugins/whmcs-bridge/bridge.init.php on line 362