Install lib32gphobos71 by entering the following commands in the terminal:
sudo apt update sudo apt install lib32gphobos71
Description:
Phobos D standard library (runtime library)
This is the Phobos standard library that comes with the D2 compiler. . For more information check http://www.dlang.org/phobos/
Homepage: http://gcc.gnu.org/
Version: 7.3.0-16ubuntu3
Section: libs