Fatal error: Uncaught Error: Class "ILIAS\Scripts\PHPStan\Rules\LegacyClassUsageRule" not found in /var/www/html/ilias/scripts/PHPStan/Rules/NoLegacyConfirmationUsagesRule.php:27 Stack trace: #0 {main} thrown in /var/www/html/ilias/scripts/PHPStan/Rules/NoLegacyConfirmationUsagesRule.php on line 27