whenever i try to connect to BO2 multiplayer servers it shows joining game session and then disapears and it doesn't join. but if i try to connect to a servers with no people or just bots it works. please tell me what can i do?

7sammmm
@7sammmm
whenever i try to connect to BO2 multiplayer servers it shows joining game session and then disapears and it doesn't join. but if i try to connect to a servers with no people or just bots it works. please tell me what can i do?