Website Gone - Fatal error - web host can't help

Fatal error: Cannot redeclare bp_dtheme_ajax_querystring() (previously declared in /hermes/bosweb/web149/b1490/nf.graduationinsurancec/public_html/wp-content/themes/bp-scholar/_inc/ajax.php:17) in /hermes/bosweb/web149/b1490/nf.graduationinsurancec/public_html/wp-content/plugins/buddypress/bp-themes/bp-default/_inc/ajax.php on line 81