$ sudo apt-get update
$ sudo apt-get install libgnustep-base1.24 

libgnustep-base1.24 is installed in your system.

Make ensure the libgnustep-base1.24 package were installed using the commands given below,

$ sudo dpkg-query -l | grep libgnustep-base1.24 *

You will get with libgnustep-base1.24 package name, version, architecture and description in a table

libgnustep-base1.24 package basic information: