Transcoded stuff didn't work anymore, direct play works

[ChuckPa]

@Kampfkuchen

Please read here. I have provided a guide how to do this.

Option F shows how to address the issue you have.
I recommend moving the library using the accepted systemd technique.

Moving PMS 'Library'

Moving Plex’s metadata (Library) directory on systemd based systems This information is intended for those systems where cat /proc/1/comm returns systemd. If your system returns init, please see the next post in this thread. While you may change /lib/systemd/system/plexmediaserver.service, it is under the control of the package manager and subject to replacement without warning at any time during an update. To provide stability, systemd allows creation of an override.conf file to customiz…