So, I was playing a normal dicey run and proceeded to fight a Bush, and well this happened:I was unable to flee or do anything afterward, I had to exit the game and basically lose all of my progress.

Well after checking the equipment.csv, I came to the conclusion that there is no item called Bush in the game, maybe you made a typo but buhs isn't there either and that sort of stuff. 

This should be a nice placeholder for the time being: