Samuel,
I think you made an important point. Invitations normally have been accepted and were always turnt into memberships ever since I
have the group. So this isn?t the problem. It obviously has to do with the email-adress this person uses. Only in the invitation
protocol I could detect this fault. There appears a different address although in the log in procedure the correct address is
visible.
Now I found out the member?s son configured this email-adress on his iphone for her a long time ago. So in the groups.io protocol
there appears an address that contains the word icloud. I am technically not versed but I suppose that this configuration detour is
responsible for the whole mess.
So I just asked her now to install a new mail adress herself. I hope this will work now.
Thanks again
Victoria
Victoria