Thanks for update, moving forwards could you confirm the following please:
Wordpress, Lay Theme & Laytheme's Addons are all up to date ?
Any custom CSS or JS that may interfere is temporarily removed.
Any third-party plugins are de-activated to see if this resolves the issue.
If using a WordPress Cache plugin, disable it or clear your cache.
License key not activated - (in website blank situations or button not available)
If your WordPress Dashboard shows a warning "PHP Update required” Please update your PHP version in your webhost control panel.
Possibly your website is running PHP 8.0 this has been known in some cases to cause issue.
If none of the above provide a solution:
Could you please send your website address, /wp-admin/ username and password and a link to this topic to info@laytheme.com?
That way Armin can have a closer Look 🔍
Talk soon Mahmud & have a wonderful day 🌝