Fix Core Data Fail

Question

I have an app in the app store that uses Core Data and I have to release an update by tomorrow. However, I am experiencing some problems with Core Data.I by mistake made cha

Answer 1

You should revert your model to the one that you have in App Store. Then you should Add new model version of your Core Data model. If you can't revert to that model you should try to make it exactly as it was.

After you've done a new model version, you should select that one and make the changes.