Hello, 

I don't know why I can't get into management portal. I saw something related to permission issue of group allowed to start and stop and have already changed to root and Admin but still doesn't work.

Installation info:

I started "httpd server" and "IRIS". 

Management Portal doesn't show on browser. Error Shows:  

But I could get into "User" namespace from the terminal.

In VS code, I downloaded three extensions. Then