my theme White Top Show is not working properly

I run my theme successfully on past version but as i update to new version my theme is not able to update post it showing while screen.
and url is going on https://fileworld.in/wp-admin/post.php
other default theme work properly except my.
Not able to find out.
need help as soon as posible.
Live theme url:https://www.ads-software.com/themes/white-top-show