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 | 142 | March 3, 2026 | |
| Upgrade to DSM 7 and upgraded Plex version - now having issues | 17 | 198 | April 4, 2024 | |
| Library no longer showing up on server | 3 | 98 | September 13, 2023 | |
| Plex Playback Error "Please check that the file exists and the necessary drive is mounted" | 1 | 357 | December 18, 2021 | |
| Synology migrated to DSM 7.1.1 and plex updated to latest online version - library missing | 7 | 150 | February 24, 2024 |