Much of error because ubuntu version 21.04

[M. Alif Abhiesa Al Kautsar]

How can i install ubuntu with spesific version?
I want to install 20.04 version

[Juancarlo577]

You can go into the script called ubuntu.sh and change the UBUNTU_VERSION=21.04 value to UBUNTU_VERSION=20.04 also if you want other versions thats available go to the Ubuntu repo and pick the version you want and add the version value into the script