[Photon Turnbased] Loosing connection with Room

I've managed to get 2 clients on same room and it works fine,
but only for like 20-30 seconds.
For the first seconds LocalPlayer.ID is 1 for the first client and 2 for the second.
But after a little while they both become -1 and CurrentRoom.Name becomes null.
So its obvious to me that client gets kicked from the room for some reason.
What could be causing this?

I don't even do anything, just leave the clients open and wait 30 seconds,
then check again for the IDs and Name of the Room and...

[Photon Turnbased] Loosing connection with Room