Install accountsservice-ubuntu-touch-schemas by entering the following commands in the terminal:
sudo apt update sudo apt install accountsservice-ubuntu-touch-schemas
Description:
Transitional package for accountsservice-ubuntu-schemas
This is a transitional package for clean upgrades. You can safely remove it.
Homepage: https://launchpad.net/gsettings-ubuntu-touch-schemas
Version: 0.0.7+17.10.20170922-0ubuntu1
Section: universe/gnome