One family member can't access icloud+
I have 4 famiky members and I share all of the services with them, including icloud+
One member has all the services except icloud+. Her iPhone is up to date, I tried removing and adding her again but still nothing. In my family share setting, it shows that she has access to the service. The option doesn't show up in her iPhone though, except for buying iCloud+.
What else can be done?