Fatal error: Uncaught Error: Interface "ILIAS\FileUpload\Processor\PreProcessor" not found in /var/www/html/ilias/components/ILIAS/FileUpload/src/Processor/FilenameSanitizerPreProcessor.php:35 Stack trace: #0 {main} thrown in /var/www/html/ilias/components/ILIAS/FileUpload/src/Processor/FilenameSanitizerPreProcessor.php on line 35