Fixing Unyson 2.7.24 Session Error

Within the Tools>Site Health section you will notice such an error caused by the Unyson plugin:

“A PHP session was created by a session_start() function call. This interferes with REST API and loopback requests. The session should be closed by session_write_close() before making any HTTP requests.”

In order to fix it, you will need to add the following code within the functions.php file of your child theme:

if (!function_exists('_disable_fw_use_sessions')) { add_filter('fw_use_sessions','_disable_fw_use_sessions');

function _disable_fw_use_sessions(){ 

return false;


PS: It is important to note that Woffice theme, version 5.3.3 and above, no longer rely on Unyson for all its components and the plugin is no longer bundled or required by the theme.