I setup site with themes Archi but not working

http://demo.archiwp.com/light-version/

I using:
PHP 8.1
MySQL 8.0

My error:

Fatal error : Uncaught Error: Call to a member function dirlist() on null in

Pls, help me.

Thanks !

Hi @camping89,

Please contact the author of your purchased theme, the author will assist you.

How to contact an author to get support or for any technical query:

Thanks