SQLCipher和CoreData问题：CoreData无法解决问题

I have an issue with SQLCipher db encryption and CoreData: When I use persistent store coordinator with SQLCipher, it always crash with fault one-to-many relationship after first app relaunch. So when I first time launch the app, I create NSManagedObjects with relationships, then, when I save db, and reopen the app, it crash when I try to access to these relationship. Without SQLCipher everything works fine.I have an issue with SQLCipher db encryption an