Can't get spot weighting in Smart Lighting to work

[stuck (Canon, PL7+FP7+VP3 on Win 10 + GTX 1050ti)]

@Joanna is the resident Smart Lighting expert, e.g. look at this post:

Reworked using Joanna's relighting method

Greetings OK. You asked for it Let me start by saying that I never use the histogram It is based on the JPEG rendering and I would rather trust my eye on the image. Personally, I never use the global setting as it “guesses” too much globally. Or do what I do and ignore the histogram Another tool I rarely use, especially where there are smooth graduations, as the sliders can invoke “steps” and they are far too “broad brush” and interact too much with each other. N…

There’s also @Pieloe’s tutorial here:

DxO Smart Lighting - TuTo DxO