Fatal error: Uncaught Error: Class 'WP_Customize_Control' not found in /home/qrmil/public_html/wp-includes/customize/class-wp-widget-area-customize-control.php:17 Stack trace: #0 {main} thrown in /home/qrmil/public_html/wp-includes/customize/class-wp-widget-area-customize-control.php on line 17