Fatal error: Uncaught Error: Class "ILIAS\FileUpload\Processor\AbstractRecursiveZipPreProcessor" not found in /var/www/html/ilias/components/ILIAS/FileUpload/src/Processor/InsecureFilenameSanitizerPreProcessor.php:28 Stack trace: #0 {main} thrown in /var/www/html/ilias/components/ILIAS/FileUpload/src/Processor/InsecureFilenameSanitizerPreProcessor.php on line 28