WPMU

This is coming up when I click on the registration page!

http://firedup.me
Warning: Cannot modify header information - headers already sent by (output started at /home/firedup/public_html/wp-content/themes/1427991134_bp-community115/bp-community/header.php:4) in /home/firedup/public_html/wp-includes/pluggable.php on line 865
http://firedup.me
Warning: Cannot modify header information - headers already sent by (output started at /home/firedup/public_html/wp-content/themes/1427991134_bp-community115/bp-community/header.php:4) in /home/firedup/public_html/wp-includes/pluggable.php on line 865