Error during Bluetooth LE scan: Set scan parameters failed (are you root?)

Hi
any solution for this i find lots of topic regarding this but none of them works
please help

17-02-25 21:11:04 ERROR (Thread-10) [homeassistant.components.device_tracker.bluetooth_le_tracker] Error during Bluetooth LE scan: Set scan parameters failed (are you root?)

ANybody there have solution for this ?

It is described in the docs: https://home-assistant.io/components/device_tracker.bluetooth_le_tracker/