I am looking into this in another forum thread here
I have only get one set of diagnostics and I would like more to look for commonalities
I am also trying to establish which version the problem started with?
https://support.plex.tv/articles/201643703-reporting-issues-with-plex-media-server/
https://support.plex.tv/articles/200250417-plex-media-server-log-files/
If you are unable to reach the server during the lockout, just copy out the Logs directory manually and zip the copy and upload here. Please do not zip the directory in-situ as that would skip the open files