Prenium family issue

[php65]

I invite my daughter to the prenium familly plan she recieve the invite, she is connected to his own account with the same email address and when she clicks accept the invite we are redirected to a page where we cannot find the next move to get the invite accepted or intering the code?

See the picture of the screen.

https://www.dropbox.com/s/ihvehf6fsbtnof9/IMG_2857%202.JPG?dl=0