Unable to manually install Plex package on Synology 918+

[ChuckPa]

Go apply this procedure.

DSM 7 - Plex Media Server - Release Info & Migration instructions

DSM 7 - Set Plex shared folder permissions IF migration fails with System error: 0, perform these steps File Station → Right-click the “Plex” shared folder → Properties → Permissions [Screenshot from 2021-08-25 10-11-30] If no “PlexMediaServer” user is listed, Click CREATE [Screenshot from 2021-08-25 10-11-59] Scroll down the list of normal and system internal users to find PlexMediaServer [Screenshot from 2021-08-25 10-14-35] Give all Administration, Read, and Write permis…

Then re-run the scheduled task.