I found the correct way that works. Remember this is only for Domains using DEDICATED FPM Application
1. Commented out the line php_admin_value[opcache.enable] = 1 for the domain /var/www/vhosts/system/DOMAIN/etc/php-fpm.conf
2. Go in Plesk to the Domain page, go to PHP Settings and Restart the...
We're running Plesk 18.0.71 Update #2 and with PHP 8.3 having the same issue with domains that use Dedicated FPM Application.
1. Commented out the line php_admin_value[opcache.enable] = 1 for the domain /var/www/vhosts/system/DOMAIN/etc/php-fpm.conf
2. Then ran command: systemctl reload...