CycledLeScannerForLollipop: Scan failed: app cannot be registered (Alt-Beacon Library)

Question

I am using Alt-Beacon Library, and getting this error and unable to detect beacons,

CycledLeScannerForLollipop: Scan failed: app cannot be registered

Platform: OnePlus5 Android 7.1.1

Could anyone suggest me how to resolve this.

Answer 1

Unfortunately, this appears to be an internal error in Android, indicating something is wrong with the bluetooth stack. One option is to turn bluetooth off and back on again to try to clear the condition (you could even do so programmatically as described in this related answer:

How to fix Android BLE SCAN_FAILED_APPLICATION_REGISTRATION_FAILED error?

However, as that answer shows, this may not always work. Sorry, I know this is not a great answer. I'd love to hear if somebody has a better one.