Trouble starting PlexMediaServer on Raspberry Pi 3B

I have been using PlexMediaServer to run a small music server on a Raspberry Pi 3B for around a year. A month ago I moved the Application Support folder to the external 1TB HDD as the SD card was full. The server continued to work after this for a while. A week or so ago it stopped working altogether. When I run

sudo systemctl status plexmediaserver

it returns the following:

● plexmediaserver.service - Plex Media Server
Loaded: loaded (/lib/systemd/system/plexmediaserver.service; enabled; vendor preset: enabled)
Active: failed (Result: exit-code) since Thu 2022-03-03 16:21:43 CET; 10min ago
Process: 4017 ExecStartPre=/bin/sh -c /usr/bin/test -d “${PLEX_MEDIA_SERVER_APPLICATION_SUPPORT_DIR}” || /bin/mkdir -p “${PLEX_MEDIA_SERVER_APPLICATION_SUPPORT_DIR}” (code=exited, status=0/SUCCESS)
Process: 4019 ExecStart=/bin/sh -c export PLEX_MEDIA_SERVER_INFO_VENDOR=“$(grep ^NAME= /etc/os-release | awk -F= “{print $2}” | tr -d " )”; export PLEX_MEDIA_SERVER_INFO_DEVICE=“PC”; export PLEX_MEDIA_SERVER_INFO_MODEL="$(uname -m)
Main PID: 4019 (code=exited, status=1/FAILURE)

Mar 03 16:21:43 MOTT-PIMUSIC systemd[1]: plexmediaserver.service: Service RestartSec=5s expired, scheduling restart.
Mar 03 16:21:43 MOTT-PIMUSIC systemd[1]: plexmediaserver.service: Scheduled restart job, restart counter is at 4.
Mar 03 16:21:43 MOTT-PIMUSIC systemd[1]: Stopped Plex Media Server.
Mar 03 16:21:43 MOTT-PIMUSIC systemd[1]: plexmediaserver.service: Start request repeated too quickly.
Mar 03 16:21:43 MOTT-PIMUSIC systemd[1]: plexmediaserver.service: Failed with result ‘exit-code’.
Mar 03 16:21:43 MOTT-PIMUSIC systemd[1]: Failed to start Plex Media Server.

Can anyone advise what may be wrong?

Thank you!

Server Version#: 1.25.6.5577-c8bd13540

If you look at systemd output, you see it checked the directory structure ok.

The next thing to look at are the PMS logs themselves.

Make a tar.gz of the Logs directory (underneath Plex Media Server) and attach here.

We’ll look at what happened.

file.tar.gz (6.3 MB)

Thanks! Logs attached.