Likely related to new AGOL just released, but we have a dashboard that is publicly shared (as well as all items in it). Now when going to it, we get asked to sign in, and that never resolves - sign pop-up appears several times, then goes away and no data is displayed.
Hi Allen,
I would start with the Web Map. Are you able to access this successfully without being prompted to sign-in? Can you share the web map's URL?