Grounded Wont Let me Host on Steam or Xbox says ERROR and Tried every Fix Possible

[sykotic130]

Cant even play Grounded anymore with Friends cause since the newest update its stopped me from even being able to host a multiplayer game with friends..... we all Literally just bought it from Steam and cant play together. Never had this issue on xbox till I bought it on steam and now cant play online at all due to ERROR HOST bs This Needs fixed especially if your gonna have people buy the game and play. On top of that this has been an issue since the release and nothings been addressed about it? Iv tried doing every fix possible and the game just wont let me play online