$ sudo apt-get update
$ sudo apt-get install libsystemsettings1 

libsystemsettings1 is installed in your system.

Make ensure the libsystemsettings1 package were installed using the commands given below,

$ sudo dpkg-query -l | grep libsystemsettings1 *

You will get with libsystemsettings1 package name, version, architecture and description in a table

libsystemsettings1 package basic information: