I have a fix for this on StackOverflow: https://stackoverflow.com/a/68378023/1890317

I'm still getting this error anyone find a solution to this?

I have an answer they may help in this post.

Xcode just needs to be updated to support the latest OS on the iPhone you are trying to run the app on.

I've fixed this for Xcode 12.3 default CoreData code. Answered here :https://stackoverflow.com/a/65315807/1890317

I've fixed this for Xcode 12.3 default CoreData code. Answered here :https://stackoverflow.com/a/65315807/1890317