Fatal error: Uncaught Error: Class 'WP_Customize_Control' not found in E:\www\flone\jogging\wp-includes\customize\class-wp-customize-background-position-control.php:17
Stack trace:
#0 {main}
thrown in E:\www\flone\jogging\wp-includes\customize\class-wp-customize-background-position-control.php on line 17