After Favoriting an activity post in BuddyPress, I received this error:
Warning: session_start() [function.session-start]: Cannot send session cache limiter - headers already sent (output started at /home/XXX/public_html/wp-includes/l10n.php:142) in /home/XX/public_html/wp-content/plugins/multiple-category-selection-widget/mcsw.php on line 20
http://wordpress.org/extend/plugins/multiple-category-selection-widget/
