Install libbluetooth3 by entering the following commands in the terminal:
sudo apt update sudo apt install libbluetooth3
Description:
Library to use the BlueZ Linux Bluetooth stack
BlueZ is the official Linux Bluetooth protocol stack. It is an Open Source project distributed under GNU General Public License (GPL).
Homepage: http://www.bluez.org
Version: 5.48-0ubuntu3
Section: libs