Server Version#: 1.32.8.7639 I’m having trouble saving my library. I was having issues with a TV series getting tagged incorrectly, so I tried switching agents (because the filenames are fine!) and refreshing metadata. That didn’t fix it, so I tried switching back to the original Plex TV Series s…

Your changes could not be saved (HTTP 400: 'language' is invalid) when editing library settings

OttoKerner December 19, 2023, 8:29pm 2

Stop and restart the server, wait a few minutes, then reload the web app.
Or update your server to Plex Media Server - #609 by drzoidberg33

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