How to reproduce:
1. Open the attached “psb-error-showcase.zip“ project
2. Select the “YellowFlowerRight“ asset
3. Open the “Sprite Editor”
4. Select the “Skinning Editor”
5. Select “Auto Geometry”
6. Press “Generate For All Visible”
7. Press “Apply”

Expected result: No errors in the Console
Actual result: Errors in the Console

Reproducible with: 8.0.2 (2022.3.1f1, 2022.3.8f1)
Not reproducible with: 6.0.7 (2021.3.30f1), 8.0.2 (2022.3.0f1), 9.0.0 (2023.1.13f1, 2023.2.0b9, 2023.3.0a5)
Fixed in: 8.0.2 (2022.3.9f1)

Reproducible on: macOS 13.4.1 Ventura (Intel)
Not reproducible on: No other environment tested