Fatal error: Uncaught Error: Class "ilObjFileAbstractZipProcessor" not found in /var/www/html/ilias/components/ILIAS/File/classes/Processors/class.ilObjFileUnzipFlatProcessor.php:26 Stack trace: #0 {main} thrown in /var/www/html/ilias/components/ILIAS/File/classes/Processors/class.ilObjFileUnzipFlatProcessor.php on line 26