Why session join before begin play?


I am working on a simple lobby system. I’m just trying to be able to host/join a server and have the lobby popup with the right information.
I found that my games (in preview mode) were hosting/joining automatically right at the start… Why is that ?

When the game starts nothing happens except that the client connects to the server which means that if I try to connect again : my event isn’t called :frowning:

FYI : I’m doing that on the FPS template

Anybody ? I tried to change the settings in the editor (not run on the same process, both clients, etc…)
I still have the same issue… so when I create and then join a session it leaves it right after joining it. :confused: