connecting problems

I start the game normally via the beammp launcher everything works, there are the options start game or something like that, everything is normal I press start everything is fine until I press multiplayer when I do this it says the game is not connected to the launcher please start the game via the beammp launcher but I did this but no matter when I press log out everything works but when I want to go to a server everything loads normally but no one is in the server and player ping and so on everywhere there is a ?
I hope you can help me, thank you in advance