The world did not remain stored in the cloud.

I created a world, and it was automatically sent to the cloud and local storage. Then I uninstalled the game and reinstalled it. Normally the world should remain as it was, since Windows stores the game data on Windows, but when I opened it, I went to local storage and saw that the world was no longer in the cloud, in local storage, asking to be sent to the cloud again. It's a particularly rare error; it happens on its own.