Error receiving authentication for media

[LaLa]

Hi all!

With my Tonido server running at home I connect to it from work to listen to music. I create short playlists on-the-fly, and everything is great, but from time to time I get the following error in Tonido: "Error receiving authentication for media.", and the last tune keeps repeating until I reload the page. Then it's fine. It doesn't ask me to login again, but usually the content of my playlist is gone. This happens after playing about 8-10 tunes. Obviously, I'm sitting behind a firewall at my workplace, so that may have something to do with.

Has anybody else experienced this error before? Any way to fix it?