$ sudo apt-get update
$ sudo apt-get install libqscintilla-perl 

libqscintilla-perl is installed in your system.

Make ensure the libqscintilla-perl package were installed using the commands given below,

$ sudo dpkg-query -l | grep libqscintilla-perl *

You will get with libqscintilla-perl package name, version, architecture and description in a table

libqscintilla-perl package basic information: