Multiplayer not working - You must log in to an Xbox Network account and have an active internet connection to play Grounded 2 Online

[messix]

My partner and I are attempting to play multiplayer but she is receiving this error:

You must log in to an Xbox Network account and have an active internet connection to play Grounded 2 Online

We are in the same room with identical setups. She is connected and logged into her xbox account. Really need a solution to this please!

[AppleAlice]

Same here. I'm on steam. It shows this pop up then shows "logging in" and then nothing happens.  

[Asmohdian]

This is happening with me as well as others: https://www.reddit.com/r/GroundedGame/comments/1mco6ya/i_cant_play_grounded_2_multiplayer/

 

I can also confirm that I logged into my PC Xbox App with my partner's gamertag, launched the game, and could access multiplayer without issue. So it does not appear to be an issue with the game or app but the Xbox account being used.