Yes. Everyone who had this issue had to essentially remove all their content and re-add it or delete the library and re-create it without the missing episode fetcher enabled.
Jellyfin 10.10.1 (Docker)
Ubuntu 24.04 LTS
Intel i3 12100
Intel Arc A380
OS drive - SK Hynix P41 1TB
Storage
3x WD Red Pro 6TB CMR in RAIDZ1 (JF Library)