Fatal error: Uncaught Error: Class "Wikimedia\Rdbms\LoadMonitor" not found in /var/www/html/orian-wiki/includes/libs/rdbms/loadmonitor/LoadMonitorMySQL.php:32
Stack trace:
#0 {main}
thrown in /var/www/html/orian-wiki/includes/libs/rdbms/loadmonitor/LoadMonitorMySQL.php on line 32