'unable to deploy an anonymously accessible google apps script webapp

Help!

I am unable to deploy an anonymously accessible google apps script webapp, what am I missing!

from my personal google drive account

new google apps script

name the project

create a doGet function

function doGet(e) {      
      return HtmlService.createHtmlOutput('<b>Hello world!</b>');    
}

Publish > Deploy as webapp > Menu

from a logged in user, the content is shown

non-logged in user is presented with Google login

I'm not sure if it will help but here is the url

Sources

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