Since the new wordpress upgrade 5.2.1 my posts (done prior to update) now have a duplicate blank picture issue.
Please see my website (link below) as it is easier to see the problem than explain it.
Please can you fix this?
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Please go layout editor and remove extra element "Thumbnail with Link"
Please learn more about layout editor in this video.
Found the answer here: https://pickplugins.com/question/dublicate-images-in-post-grid/
In short, you have to edit one of your post grids, go to "Skin & Layout", and edit the Content Layout. In there remove the thumbnail or thumbnail with link via the big red X button and save changes. The empty pic will disappear from all of your post grids.