online help

When me and my friends go over to the join tab on co op it shows nothing to select. There are three of us (2 on Xbox 1 on switch) and none of us are able to make an invite code once we start the game and it errors out when we try to manually invite each other through Xbox's ui.

Me and my SO are playing a co-op world for quite some time now, but we´ve hit this incredibly weird roadblock... After me playing a day alone, she isn´t able to join even when i click the co-op option. I loaded the game on the regular load button for one day i´d be playing by myself, and now...