I get the return message NON-VALID PICTURE URL in the POPUP in the CARTO map. when editing in CARTO I get the "Invalid or nonexistent map configuration token". Please forgive my ignorance as I am a newbie at Carto really. I have followed all the docs and looked at questions but I still can't get the image in the header to display in a popup window. The image is in the _URL column and is a valid .jpg that I can display by just pasting the URL for it into the address bar of the browser. Is there a size restriction or something like that? https://photos.app.goo.gl/3h6gHXIWQXOW8slo2 is the link to the photo held in Google photos.
You need to put the address of the final image, so in your case for that image you shared the address to have in your column is
Otherwise, the popup is trying to put a webpage in a
img HTML tag, which of course is totally wrong.