(error=-1094995529): Invalid data found when processing input)

I thought ‘Web Optimized’ was the answer but not so lucky. I am using MacX DVD Ripper Pro and I tried both mp4 and mkv with mkv I ran through HandBrake both with ‘Web Optimized’ and not. The odd thing is that some which were working before are not now.

I am running my NAS and Plex servers on Pi4 4 GB using NFS and all connections seem to be working there. My client is a Mac

My server is

Screen Shot 2020-12-29 at 11.56.18 AM

and some recent logs are

(File removed)
(File removed)
(File removed)
(File removed)

The Info on the shows that do not work is

Those that work

The error when playing is

Advanced in Add > folders is

I should have expected

I have gone through this before at

https://forums.plex.tv/t/xml-missing-metadata-for-some-shows/667341

For some reason I think that the new version of plex server is not coming through otherwise I may expect to have different scanning and a different result.

Help please, there is nothing else I think I can try. I have seen a write up on

http://ffmpeg.org/ffmpeg.html#mov

but don’t want to go there unless I have more information because I don’t understand it.