Site won’t migrate

I’m trying to migrate from 1 site to another. I create the backup. I then upload on site #2. I hit restore/restore/ok. It processes for about 10 seconds and there are essentially no changes to the destination site.

I don’t even see things in the “media” tab.

How do I fix this?

BTW: I first tried automigration. As often happens, this went along fine for a while, then slowed to a crawl and never completed.

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