Fatal error: Uncaught Error: Class "WP_Customize_Image_Control" not found in /home/mikulanc/public_html/wp-includes_ORIGINAL/customize/class-wp-customize-header-image-control.php:17 Stack trace: #0 {main} thrown in /home/mikulanc/public_html/wp-includes_ORIGINAL/customize/class-wp-customize-header-image-control.php on line 17