Did you refer to the DSM 7 section of the Synology FAQ ?
It seems you might have upgraded to DSM 7 without knowledge of all the changes DSM 7 caused.
| Topic | Replies | Views | Activity | |
|---|---|---|---|---|
| No Library after upgrading Synology 218+ NAS | 26 | 117 | March 3, 2026 | |
| Upgrade to DSM 7 and upgraded Plex version - now having issues | 18 | 190 | July 3, 2024 | |
| Library no longer showing up on server | 4 | 93 | December 12, 2023 | |
| Plex Playback Error "Please check that the file exists and the necessary drive is mounted" | 2 | 357 | March 18, 2022 | |
| Synology migrated to DSM 7.1.1 and plex updated to latest online version - library missing | 8 | 149 | May 24, 2024 |