Blank Page after update theme

I just updated my AVADA template to the latest version (i forget the version number), and suddenly my web cannot be viewed. The page only show a blank page.
Can you help me to solve this problem?

Hi,

Contact with your purchase item author @ThemeFusion @ThemeFusion_Support. Hope they will helped!

Thanks!

Hi

Hope this Documentation will help you. Otherwise please contact theme Author Author Support and let them know.

Thanks