Upgraded to WHMCS 8.0.1 and changed PHP to 7.4 (cpanel).
Now, health check shows:
Cron PHP Version Mismatch
Your environment appears to be running a different PHP version (7.3.22) for the System Cron than the currently loaded PHP version (7.4.10). This may cause issues running your System Cron.
When enabled Nginx in EA4 too, all sites go down despite that experimental repository is installed, nginx installed and PHP-FPM enabled. Using Cloudflare on the sites too.
Now, health check shows:
Cron PHP Version Mismatch
Your environment appears to be running a different PHP version (7.3.22) for the System Cron than the currently loaded PHP version (7.4.10). This may cause issues running your System Cron.
Code:
[root@server ~]# php -i | grep "Loaded Configuration File"
Loaded Configuration File => /opt/cpanel/ea-php73/root/etc/php.ini