Hello everyone, I am experiencing a very weird issue. There are two scenario, and the crash issue direct to persistentContainer.getter last. I know the error is occur in this line : CoreDataManager.persistentContainer.getter + 51 code block: fatalError("Unresolved error \(error), \(error.userInfo)") scenario1, Xcode crash report: scenario 2, firebase crashlystic: detail info: ProjectName/CoreDataManager.swift:51: Fatal error: Unresolved error Error Domain=NSCocoaErrorDomain Code=134110 "An error occurred during persistent store migration." UserInfo={sourceURL=file:///private/var/mobile/Containers/Shared/AppGroup/8DA377D9-5CE2-47BB-A985-8A8B7CCD071C/FraudInfo.sqlite, reason=Cannot migrate store in-place: I/O error for database at /private/var/mobile/Containers/Shared/AppGroup/8DA377D9-5CE2-47BB-A985-8A8B7CCD071C/FrankInfo.sqlite. SQLite error code:1, 'duplicate column name: ZISSEARCH', destinationURL=file:///private/var/mobile/Containers/Shared/AppGroup/8DA377D9-5CE2-47BB-A985-8A8B7CCD071C/FrankInfo.sqlite, NSUnderlyingError=0x283398de0 {Error Domain=NSCocoaErrorDomain Code=134110 "An error occurred during persistent store migration." UserInfo={NSSQLiteErrorDomain=1, NSFilePath=/private/var/mobile/Containers/Shared/AppGroup/8DA377D9-5CE2-47BB-A985-8A8B7CCD071C/FrankInfo.sqlite, NSUnderlyingException=I/O error for database at /private/var/mobile/Containers/Shared/AppGroup/8DA377D9 The “duplicate column name: ZISSEARCH'” issue, we had been update xcdatamodel version, Old version user was update to newest app version, but migration fail, why the crash occurring the newest version? But I can’t reproduce the crash, and I have no idea how to fix this. please support me how can I handle the issue, thanks more.