Build fails on Ubunt 18.04

Hello,

As the title suggests, I am having trouble installing Unreal Engine 4 on Ubuntu 18.04 LTS. I have followed the instructions [on this website][1], but I get errors when I get to the make section. Instead of a successful compile, i get the following error:

.

What am I doing wrong? How can I resolve this error?

Thank you for your help!