Hi, wow! I can certainly relate to how frustrating this can be. This can be something as simple as restarting your iPhone. There’s no particular order and it may help to restart your iPhone repeatedly.
- all iPhones must be iOS 14.6 or higher
- turn off VPN if you use
- log out and in to your Apple ID/iCloud account that was used when you signed up for Apple Card. Same for Participants
- make sure you and participants are currently in US and have US selected as region.
- make sure have Apple Cash setup in Wallet App on your iPhone
- Two factor authentication must be turned on — iPhone must have password enabled
- Restart iPhone after performing any of the above
- It may be necessary to do a hard restart >> https://support.apple.com/guide/iphone/force-restart-iphone-iph8903c3ee6/ios
- Make all group members have updated and verified their correct ages. Participants must me 13 or older.
There had also been a recent release/update to iOS 14.7 for your iPhone. Please let us know how this works for you so that we can suggest more advanced possible solutions if nothing is helping.