How to hide ad in Facebook

An ad has an ... in the upper right corner.

Clicking that, there is an option “Hide ad”, with additional text below it “Never see this ad again” (in smaller font).

When I click it, I get the following:

enter image description here

I’m stuck.

Exactly the same thing happens if I choose the option “Report ad. Tell us about a problem with this ad”

Has anybody else encountered this? What to do?

How to look for support with that on Facebook?

I googled for those phrases, with no avail.

Could not find anything comprehensible in ad preferences either.

A similar option for videos (Hide video. See fewer videos like this) works.