I tried inviting them, and it said that they were ineligible to join the plan and I can't add them again. What can I do?
You could contact Support.
However, I doubt that they will tell you why your friend is not eligible.
I would guess that only your friend would be able to tell you why.
I tried inviting them, and it said that they were ineligible to join the plan and I can't add them again. What can I do?