Fatal error: Uncaught Error: Class "ilCronJob" not found in /var/www/html/ilias/components/ILIAS/Calendar/classes/ConsultationHours/class.ilConsultationHourCron.php:27 Stack trace: #0 {main} thrown in /var/www/html/ilias/components/ILIAS/Calendar/classes/ConsultationHours/class.ilConsultationHourCron.php on line 27