Inserted images disappear when the project is reopend

Inserted images look good in the document. But every time I close and reopen the project, I find the images disappeared completely. What’s wrong with it? I use Version: (1274136) 64-bit - 28 4 2021.
I posted the screenshots shot before closing a test project and after reopening it. The zipped scrivener folder and the image file are also uploaded. (70.7 KB)

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