Fatal error: Uncaught Error: Class "ilMathException" not found in /var/www/html/ilias/components/ILIAS/Math/exceptions/class.ilMathDivisionByZeroException.php:25 Stack trace: #0 {main} thrown in /var/www/html/ilias/components/ILIAS/Math/exceptions/class.ilMathDivisionByZeroException.php on line 25