SOLVED: Playback Error. Playback failed due to a fatal player error.

[jelly]

Hello TheDreadPirate. Thank you for your help.

The tutorial I followed was this one https://wiki.seeedstudio.com/Jellyfin-on...buntu-X86/

Indeed this tutorial did not need me to install ffmpeg.

I have some questions...

How do I add the jellyfin repo to debian?

Sorry, I'm new to linux.

I tried to follow to repository version of https://jellyfin.org/docs/general/installation/linux but when doing "sudo apt update", it gives me this error:

E: Unable to parse package file /etc/apt/sources.list.d/jellyfin.sources (1)
E: The list of sources could not be read.

And another question...

This fix will make everything work nicely? Or do you suggest that I do a fresh install, maybe a non-docker one? I expected the docker install to be out-of-the-box, so that I need not to install packages like this .