My plex was working and now I get error

[FordGuy61]

There is a problem with older versions of Plex Media Server, such as 1.18 or 1.19, and Android/Android TV devices.

If this applies to your setup, see this post:

Connection Error when playing films on android tv app

As @richyh67 mentions, there is a problem with current versions of Android/Android TV apps and older versions of Plex Media Server. The Android apps are rejecting the security certificate from the server for some reason. Users running Plex Media Server versions 1.18.x and 1.19.x are definitely affected. The problem may happen with other Plex Media Server versions (I don’t have a list of all affected releases). The problem is visible in the Android client log: [FFmpeg] [ERROR] [tls @ 0xc35efb…