And after updating my OS version from Sequoia beta 2 to beta 3 previews are working correctly again.
dsbirch
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You also have the option to not offer your apps for sale in the EU, which I believe should make the "not a trader" response truthful.
I've also run into the same problem, also with no change after deleting the app from the simulator. It's confusing because I haven't specified a configuration for the SwiftData container. In other words, it's using a default configuration.