Fatal error: Uncaught Error: Class "WP_Customize_Control" not found in /var/www/andovercg/staging/wp-includes/customize/class-wp-widget-area-customize-control.php:17
Stack trace:
#0 {main}
thrown in /var/www/andovercg/staging/wp-includes/customize/class-wp-widget-area-customize-control.php on line 17