On QNAP,
- Plex runs with full OS privilege so there’s never a permission problem.
- The most common cause of not being able to define a library section (save changes) is when PMS can’t update Plex.tv to tell it you have a new library section. (this is the error you see)
To fully confirm what is happening requires the log files.
Since you can’t get it to install, you can’t get to the GUI to download them.
Therefore, we’re going to leverage the PlexData shared folder feature which allows you direct access to everything via FileStation (where we can then grab the logs manually in a ZIP file)
I would like you to create the PlexData shared folder (as shown in the above How-To)
After creating it, Restart Plex
Next, recreate the setup problem you’re having.
When recreated, Stop Plex
Now open File Station
Navigate PlexData → Plex Media Server
Right-click Logs → Compress (to make the ZIP file)
Download that ZIP file and attach it here.
