Fatal error: Uncaught Error: Class "Monolog\Formatter\LineFormatter" not found in /var/www/html/ilias/components/ILIAS/Logging/classes/extensions/class.ilLineFormatter.php:29 Stack trace: #0 {main} thrown in /var/www/html/ilias/components/ILIAS/Logging/classes/extensions/class.ilLineFormatter.php on line 29