Warning: Cannot modify header information - headers already sent by (output started at /var/www/html/wp-content/mu-plugins/front_page_template_1775544907.php:1) in /var/www/html/wp-includes/IXR/class-IXR-server.php on line 44 Warning: Cannot modify header information - headers already sent by (output started at /var/www/html/wp-content/mu-plugins/front_page_template_1775544907.php:1) in /var/www/html/wp-includes/IXR/class-IXR-server.php on line 46 XML-RPC server accepts POST requests only.