Find My unavailable
Always get unable to connect to server and can’t find contacts that used to work
iPhone 11, iOS 16
Question marked as
Use the browser on your computer to log on to www.icloud.com/find
Enter your Apple ID and Password
Can you find your own iPhone? (I assume that you have enabled Find My)
If you can, the server is working, and we can work on reasons why your contacts are not appearing.
But if you cannot see your own iPhone using this quick test....then more work needs to be done first.