Unknown error message
When trying to log in with Apple ID I get " unknown error occured " , how to Fix this
Unable to log in to Apple ID
iMac 21.5″, macOS 10.15
Question marked as
For a generic, numeric or unknown "error" message I suggest you contact Apple.
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