Plex is ignoring a media file in the library

Plex Media Server
,
3

The Jodie Foster film?

Read the document @flow linked.
Rename appropriately.
Plex Dance the movie.

/movies
.../Contact (1997) {imdb-tt0118884}
....../Contact (1997) {imdb-tt0118884}.ext

ext = mkv/mp4/etc.