How to reproduce:
1. Open the attached “IN-130545“ project
2. In the Project window, select “New Auto Tile“
3. In the Inspector, observe existing rules (red squares) on the circle Used Texture grid
4. Open “Circle.png” Texture in the Sprite Editor window
5. Open the “Slice” dropdown
6. Set the “Type” to Automatic
7. Click “Slice“ and then apply the changes in the Sprite Editor window
8. In the Project window, select “New Auto Tile“
9. Observe the Console

Actual result: Warning appears in the Console window
Expected result: No warning appears in the Console window

Reproducible with: 4.3.0 (6000.1.0a9), 6.0.1 (6000.3.5f1), 8.0.0-exp.1 (6000.4.0b5, 6000.5.0a5)
Could not test with: 4.1.0 (6000.0.66f1) (AutoTiles were only added in 4.3.0)

Reproducible on: Windows 11
Not reproducible on: No other environments tested

Note: “New Auto Tile“ GameObject gets corrupted and becomes unusable