New media files not being found/added to libraries even when scanned or refreshed manually

Might this provide the answer?

If not, would you please do the following?

  1. Restart PMS
  2. Wait 60 seconds for it to initialize
  3. Settings - Server - Troubleshooting - Download Logs.

If you have a lot of directories (common with music), the default Linux table which monitors directories fills up . It’s easy to correct if this is the case.