LG C9 TV: Conversion failed. The transcoder exited due to an error happening occasionally

Plex Players Streaming Devices
16

Here is an example file (2.89GB) where I see similar issues to those posted, yet in my case I see a spinning circle for 1 to 2 minutes then playback resumes (LG C1).

Perhaps people could download this and try on their servers.

LG C1 OLED spinning circle for 1 to 2 minutes on multiple skip forwards