Jellyfin / Docker:Playback failed because the media is not supported by this client.

[theguymadmax]

Did you follow the directory structure from my example (/media/Zic)? If so, you'll need to update the path in your docker-compose file to: 

Code:

- /media/Zic:/media

instead of 

Code:

- /media/vortex/Zic:/media