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My app crashes on some iPhone 5S device (only some) with the error:
Fatal Exception: NSInternalInconsistencyException Unexpected error: Error Domain=NSCocoaErrorDomain Code=4097 "The operation couldn’t be completed. (Cocoa error 4097.)" (connection to service named com.apple.CoreAuthentication.daemon) UserInfo=0x174461dc0 {NSDebugDescription=connection to service named com.apple.CoreAuthentication.daemon}
The line which breaks the app is the following:
LAContext().canEvaluatePolicy(LAPolicy.DeviceOwnerAuthenticationWithBiometrics, error: nil)
Is this an Apple bug? What am I doing wrong here?
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1: Reboot the Device The best approach for app crashing issues is to try to force reboot the iPhone or iPad by holding down the Power button and Home button until the device flashes the Apple logo. Then let it boot back up and try to use the app again, it should work… if not keep reading on!
Random and frequent app crashes in mobile devices usually denote a memory issue like when the device is running low on storage. Other performance issues including symptoms of sluggishness, unresponsiveness and random restarts are also likely to transpire in this case.
Update Your Apps Out-of-date iPhone apps can also cause your device to crash. Updating your iPhone apps to the latest version is simple and only takes a few minutes. Follow along below: Open the App Store app on your iPhone.
Open the Console app, from Applications > Utilities in Finder. Select Crash Reports. Locate crash reports for your app in the list. Logs are listed by your app's binary name.
It's an iOS bug. When an API returns a 4097 error, it usually means that the system daemon that was responsible for handling your request crashed. You can look for crash logs from the device and file a bug with Apple.
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