[2D] Fatal Error when attempting to Apply second slice to Fei_Cel.png sprite

Steps to Repro:
1. Open attached project
2. Select Fei_Cel.png and make sure its Sprite Mode is set to Multiple
3. Open the Sprite Editor
4. Automatically slice (creates slice for character and staff) or manually create 2 slices
5. Click on Apply

A Fatal Error occurs:

The file 'MemoryStream' is corrupted! Remove it and luanch unity again!
[Position out of bounds!]
UnityEngine.GUIUtility:ProcessEvent(Int32, intPtr)