How to reproduce:
1. Open the attached “IN-101725_TileBaseCrash.zip” project
2. Create a “TBTest” asset by right clicking in the Project Window → Create → TBTest
3. Open the Tile Palette window (Window → 2D → Tile Palette)
4. Open the existing “TPTest” Tile Palette or create a new one
5. Drag the created “TBTest” asset onto the Tile Palette grid
6. Observe the crash
Reproducible in: 2022.1.0a1, 2022.3.63f1, 6000.0.51f1, 6000.1.7f1, 6000.2.0b5
Reproducible on: Windows 10, Windows 11
Not reproducible on: No other environments tested
First few lines of stacktrace: