[Plugin: WP-Filebase] Files restricted by users is not saved

So i set some files to restrict based on user level, but after saving, then checking the file again, it doesn’t seem the setting was saved.

When testing the file, administrator can download.

Visitor cannot download. Regular member cannot download.

The problem here is Downloader user group which is the minimum level was not able to download neither although i specified they their level is the minimum.

Any ideas ?