Fatal error: Uncaught Error: Class "WP_Upgrader_Skin" not found in /home/theinsightpartne/public_html/blog/wp-admin/includes/class-theme-upgrader-skin.php:18
Stack trace:
#0 {main}
thrown in /home/theinsightpartne/public_html/blog/wp-admin/includes/class-theme-upgrader-skin.php on line 18