Error: "Failed to Verify Internet Connection Nonnumeric Port: ’Port'” When Installing Edge Insights for Autonomous Mobile Robots (EI for AMR)

• Downloaded EI for AMR software package
• Ran into the following error during the installation

  Starting the setup...
  ESB CLI version: 2022.3
  Target OS: Ubuntu 20.04
  Python version: 3.8.10
  Checking Internet connection
  Failed to verify Internet connection nonnumeric port: 'port'
  Reconnecting
  Failed to verify Internet connection nonnumeric port: 'port'
  Reconnecting
  Failed to verify Internet connection nonnumeric port: 'port'
  Please check the Internet connection and proxy settings

Use the following commands to verify that the ftp_proxy, http_proxy, https_proxy and no_proxy variables are set correctly.

cat /etc/environment

env

Edit the /etc/environment file or manually configure the proxy variables using the export command.