Try putting the movie in its own folder. While having all your movies unsorted is technically supported, NOT having them in their own folders has caused weird, unexplainable issues for other users.
Jellyfin 10.10.3 (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)