Fatal error: Uncaught Error: Class 'WP_Customize_Media_Control' not found in H:\root\home\agubski-002\www\alexgubski\blog\wp-includes\customize\class-wp-customize-upload-control.php:17 Stack trace: #0 {main} thrown in H:\root\home\agubski-002\www\alexgubski\blog\wp-includes\customize\class-wp-customize-upload-control.php on line 17