Fatal error: Uncaught Error: Interface "ILIAS\FileUpload\Processor\PreProcessor" not found in /var/www/html/ilias/components/ILIAS/VirusScanner/classes/class.ilVirusScannerPreProcessor.php:26 Stack trace: #0 {main} thrown in /var/www/html/ilias/components/ILIAS/VirusScanner/classes/class.ilVirusScannerPreProcessor.php on line 26