"Failed to load the app. Try reloading it." Error Loop

[paulvancotthem]

Please see my troubleshooting guide here to fix this issue:

Troubleshooting tip: "aistudiocdn.com" domain alias in Importmap may cause app load failure

If your Google AI Studio app isn’t loading in the preview pane, or if you are seeing console errors related to network connections, your ISP or corporate firewall might be blocking Google’s default content domain (aistudiocdn.com). Here’s a fix for that. Here is how to fix it immediately, followed by an explanation of why this happens to your AI-generated code. TL;DR If your AI Studio app preview is blank, your network is likely blocking aistudiocdn.com. Edit your index.html to use esm.sh ins…