Query Loop works in the backend but not front end

I have gotten the plugin to work well. The posts get imported and are visible in the Posts area of the backend.

When I create a page to list the posts, by using the Query Loop block (using wordpress 2024 theme) it also works well on the edit page but when it gets published, the Query loop does not display. Only the page with title, and the other blocks that are added to the page. But not the list of posts that the query loop should show.

The posts themselves show well too. It is just (as far as I can see) the query loop to list posts that does not work

 

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