Can't Install Web Application in Ubuntu

Hi, I cannot install a web application on ubuntu 20.04 or 18.04. It is getting an error.

Ubuntu Error:

404 Not Found [IP: 80] Reading package lists… Done E: The repository ‘ focal Release’ does not have a Release file. N: Updating from such a repository can’t be done securely, and is therefore disabled by default. N: See apt-secure(8) manpage for repository creation and user configuration details…

This is the application that I want to install through curl curl | sh

Plz help me as soon as possible. I want to install it as soon as possible

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Hi there @knowledgeablepk,

It looks like that the script that you are using is for Ubuntu 16.04 and this is why it’s not working on Ubuntu 20.04 and 18.04.

What I could suggest is following the manual installation steps:

Regards, Bobby