Update: Now I can’t access my site at all which is http://www.familyhotspots.com.au
here is the error message
Warning: Cannot modify header information – headers already sent by (output started at /home/familyho/public_html/wp-content/plugins/buddypress/bp-themes/bp-default/functions.php:362) in /home/familyho/public_html/wp-includes/pluggable.php on line 934