Lauch map problem

Hi all…
I have a problem when i launch the game.
In the editor all works perfectly but in the lauch mode if i try to change map, ntohing happens… Why it happens?

Please, i need help

How are you trying to change the map? More information on your problem, including how you’re currently attempting to solve it, will get you more responses.

I simply set an open map in the editor. there it works, but not when i launch the game, it reload the same map in which i am

So? What is the problem?

Please, i need

No one can helps me?

Please, i need a solution…