Fatal error: Uncaught Error: Class "WP_Customize_Section" not found in D:\Inetpub\vhosts\puniterp.in\heetsteel.com\wp-includes\customize\class-wp-customize-nav-menu-section.php:19 Stack trace: #0 {main} thrown in D:\Inetpub\vhosts\puniterp.in\heetsteel.com\wp-includes\customize\class-wp-customize-nav-menu-section.php on line 19