Got incorrect results when following the Preparing Assets for Chunking guide

I deleted the project and started over.
This time I didn’t try to do anything more than the guide said to do. I simply used the Platforms > Windows > Cook Content action, which didn’t produce any Paks folder that I could find, so then I used the Platforms > Windows > Package Project action, and that produced a Paks folder but it has the same problem as before: Chunk IDs other than 0 are all 1KB files.

So I’m still stuck with incorrect chunks.

At least this time there was a folder created with the path the guide said it would have:

If everything is set up correctly, you will see the packaging files in your build directory, under /Windows/PatchingDemo/Content/Paks , when UE has finished packaging them. UE will name each of them for the Chunk ID that you designated, and they each will contain the assets for your three characters.

That didn’t happen last time, so maybe that’s progress. Now I have two paths with a Paks folder, one in Windows subfolder and one in Saved/StagedBuilds subfolder. But they are the same, with 1KB files related to chunk ID 1001.

And my Asset Audit tool, though it started empty in both cases, adds the Chunks I defined, to the view, when I click Add Chunks. However, only the Chunk ID shows. Nothing about size on disk etc.

What am I doing wrong? I didn’t get any chunk- or asset-related warnings this time.