Same thing is happening to me. I just now tried to add my grandson and I myself tried to sign him into his phone with the link I sent him and it says that there is an error and that I needed to send the invite again which I did over 5 times with no luck. It is very frustrating. Please send me an email with the instructions and way to correct it. No wonder out of my invites only one is active and the other ones have not been "accepted". ... View more