Fatal error: Uncaught Error: Interface "ILIAS\Filesystem\Security\Sanitizing\FilenameSanitizer" not found in /var/www/html/ilias/components/ILIAS/Filesystem/src/Security/Sanitizing/FilenameSanitizerImpl.php:31 Stack trace: #0 {main} thrown in /var/www/html/ilias/components/ILIAS/Filesystem/src/Security/Sanitizing/FilenameSanitizerImpl.php on line 31