I am already on server v4.0.2.
I recently updated the LG TV Emby App to the latest and it was working fine.
Today none of the devices work (LG TV, Samsung TV or any Web browsers).
When I play a video file, the TV pops an error message:
Playback Error
No compatible streams are currently available.
Please try again later or contact your system administrator for details.
The server is Debian based OMV.
According to the logs, there's a permission problem on the file:
2019-03-18 19:14:1