The console script did not start.
This page is an ES module app and must be served over HTTP by the Aurum
distribution server at /admin/. Opening index.html
straight from disk (file://) is blocked by the browser.
Start the server (server\run.ps1) and browse to
http://127.0.0.1:8787/admin/. If that is already what you did,
open the browser console for the load error.