iOS Player crashes with uncaught InvalidOperationException: Recieved an invalid container type from swift when unauthenticated in the Simulator or network issues on a physical device

Reproduction steps:

1. Open the attached “IN-148834” project
2. Switch to the iOS Build Platform
3. Build and Run the iOS Player on a Simulator
4. Wait for the Simulator to launch
5. Observe the Xcode console

Actual: InvalidOperationException("Recieved an invalid container type from swift"); in Release IL2CPP the process aborts.
Expected: The load failure surfaces as a meaningful, typed exception

Reproducible with: 1.0.1 (6000.3.9f1), 1.1.0 (6000.3.18f1, 6000.5.4f1)

Testing environment: macOS 26.5.2

Reproducible with these devices:
iOS Simulator device - iPhone 17 26.2
Physical iOS devices (by reporter)