cannot start family sharing
“cannot start family sharing” get this message
Make sure you are doing everything as outlined in this support article --> Set up Family Sharing - Apple Support
If you are and still cannot set up Family Sharing, refer to this document for ways to contact Apple --> Choose your country or region - Official Apple Support
Select your country (also look for "other" regions), then a product. If you don't see one that handles your issue then keep experimenting with selections until you reach one that gets you a chat session or a telephone call and get the representative to redirect you.
or:
Contact Apple for support and service by telephone --> Contact Apple for support and service - Apple Support