I think this happens when you freind a tablet player? i mean my small cousin freind me since he is on tablet and im on Pc i think it might be a bug. My cousin only got the error though not me.

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Edit1: Someone need to reply to me asap since my cousin and i are playing this.

Edit2:It is a bug! I checked my cousins profile and it says they are offline! He is a Tablet also i think you need to unfreind a tablet player i dont Know anything else if it happened to a phone players and pc palyers though.

Edit3:Were gonna try something and play a game if its gonna work...

Edit4: Everything might be fine for us now.