Thanks for contacting us and choosing our product!
Currently our theme can support PHP 8.1. But please notice have some plugins maybe not support the latest version of PHP.
We are developing our theme with PHP 8.0.22 and it’s working fine.
So you should use PHP version <= 8.0.22
Also we see your support time has been expired.
So you should go to our product Homepage (on ThemeForest) and renew to continue get support in the future.
Hope this helps!