Fatal error: Uncaught Error: Class "WP_Customize_Setting" not found in D:\htdocs\www.nsecsoft.com\wp-includes\customize\class-wp-customize-nav-menu-setting.php:21 Stack trace: #0 {main} thrown in D:\htdocs\www.nsecsoft.com\wp-includes\customize\class-wp-customize-nav-menu-setting.php on line 21