My Life in Sakura Shores hangs at "Building Terrain" when creating a new world and crashes

Partner Rank: 1 Critical

Verification Builds: 1.17

Regression Builds: N/a

Summary: When attempting to create My Life in Sakura Shores from the template, the "Building Terrain" progress bar appears, but gets stuck 5-10% in. After some time the game will eventually crash and the world will not be created correctly in a playable state.

Affects currently Live Content: Yes

Impact: Broken content leading to negative reviews and refunds

Repro Steps:
1. Create a new world from the template on an iPhone 6s, iPad, or Switch.
2. Watch the loading screen as the world is created.

Observed Results: The "Building Terrain" progress bar appears but gets stuck at 5-10%. Eventually, the game will crash. On reload of the game, a corrupted world about 3mb large has been generated.

Expected Results: The world loads normally.

Screenshots/Videos attached: Yes

Notes: Some players reported turning down their video and simulation settings helped with the error. Trying to recreate the world multiple times and you may get lucky with a world that worked.