Fatal error: Uncaught Error: Interface "clientClass" not found in /volume1/web/packages/system/lib/class/fs/uploader/fsUploader.php on line 4

Error: Interface "clientClass" not found in /volume1/web/packages/system/lib/class/fs/uploader/fsUploader.php on line 4

Call Stack:
    0.0001     359680   1. {main}() /volume1/web/packages/system/lib/class/fs/uploader/fsUploader.php:0