Microsoft Surface Pro 7 Fresco smudge tool

I have been using Fresco on the Microsoft Surface Pro 7 (running Windows 10) for a couple of weeks now. It was working perfectly up until today (12.8.2021). Now I am no longer able to use the smudge tool. If I try, Fresco immediately crashes. I have made sure all my drivers are up-to-date and restarted my machine. The problem persists. I have submitted several crash reports. Please advise.