Fatal error: Uncaught Error: Class "WP_Customize_Image_Control" not found in C:\xampp\htdocs\alumni-rmutr\wp-includes\customize\class-wp-customize-background-image-control.php:17 Stack trace: #0 {main} thrown in C:\xampp\htdocs\alumni-rmutr\wp-includes\customize\class-wp-customize-background-image-control.php on line 17