After inviting my friend and playing for about a minute to two the server will automatically disconnect both of us and the server will close, sometimes it will last for longer but thats only after a bunch of attempts, and eitherway it'll still crash after about an hour or two. https://mclo.gs/uRrgfDG
The Aternos forums are now deprecated
Learn more about this change here.
For help regarding Aternos, we recommend you to visit our support center.