What version of Plex Media Server are you running? 4.85.1 is the version of Plex Web. Look in Settings → Server_Name → General or Authorized Devices.
Which scanner & agent are you using in the movie library? Edit the library, choose Advanced. The scanner & agent will be listed at the top.
Plex Dance the movie after renaming it.
If you are using the Plex Movie scanner and agent, add the IMDB or TMDB ID to the folder and file name.
/Massive Talent (2022) {imdb-tt11291274}/Massive Talent (2022) {imdb-tt11291274} [other stuff].mkv
https://support.plex.tv/articles/naming-and-organizing-your-movie-media-files/
