I'm getting a similar error but because I am using HomeKit, I've never run the app in the simulator.
I've deleted the app off my device and cleared derived data but still get the error.
It delays loading certain parts of my SwiftData model, which breaks the app when it thinks that is complete.
brianmars
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I amend my comment: my model is present and working UNTIL these errors pop up, then the data disappears
Xcode 16.1 beta 2 / iPadOS 18.1 beta 5
Using the PhotoPicker. It is intermittent. Used the same component in two different views. One succeeded, one failed with the described error.