Please Help.... Renaming Track/Artist/Genre Title. Doesn't change

This is really annoying me.

I use rekordbox to simply organize music into playlists etc.

Wanting to fill in all the gaps and make sure each track has correct genre, no artist name in track title etc

All of a sudden, once I put something in and enter it returns to how it previously was. When i close and open Rekordbox again, anything I had edited has returned to normal

Any help greatly appreciated!