Network help: Built verisions can't do anything and host change scene for all connections

So I've asked for help on "awnsers" but not gotten anything and I've searched a lot without any success, even alot of youtube tutorials seems outdated. Worth noting before I continue is that I am trying to make a rts style game.

The first problem I have is that in one scene which is the game scene I can only move my units when I use the editor. If I connect a built verision of the game to a server hosted by the editor only the editor can move, other way around and still only the editor can...

Network help: Built verisions can't do anything and host change scene for all connections