I'm getting Error 259/260

The phone's bluetooth is failed during operation. Please try to operate again. If it continues giving error then please do following,

1. Turn off bluetooth from phone's settings and turn on. Try to operate.
2. If problem persist and you're Android phone user then please try this,
   1. Go to Phone Settings > Apps & notifications > App info.
   2. Tap on the 3-dot overflow menu on the top-right and tap on Show system.
   3. Scroll down and Tap on “Bluetooth”.
   4. Now, press “Storage” and select “CLEAR DATA”
   5. If problem persist, please submit an issue(SmartEntry App-->Help--> Submit the issue)