Carto builder, opacity is set at 0 but publishing at 1

Question

I'm working on a Carto map for a client, so I set up a new Carto account for them today. I'm building it in Carto Builder, using the GUI. (For this job, I need to just use the GUI, not get into carto.js or writing a whole page.)

I've put in some polygons, set opacity to 0. But it publishes at opacity 1. Any idea what I need to do?:

Here's the map

Here's what I see in Carto Builder:

But here's how it publishes:

Edit: I'm NOT having the same problem in my old personal Carto account that I've had for years

Answer 1

I didn't do anything to this map, though I did report the problem to carto. A few days later it started displaying correctly.