All but two of the logs show crashes due to the scheduled tasks music albums loudness analysis issue covered by this thread Plex Media Server Crashes Overnight Since Update: 1.30.1.6483 - Plex Media Server / NAS & Devices - Plex Forum
(This will be fixed in 1.30.2)
Logs for two of your crashes look different
Could you see if the dmp files for these crashes are still in this folder on the NAS
/Volume1/Plex/tmp_transcoding
The dmp fiiles would have been created at these times
Dec 22, 2022 08:45:34
Dec 23, 2022 19:54:35
If you do find them - please zip and attach
Thanks