Description of the bug

When trying to send a sliced file to the printer, the application will crash. I saw another crash issue with a stack trace, but that seemed different enought that I am filing this separately. Sorry if this is a duplicate.

trace.txt.zip

Project file & How to reproduce

Light Switch Blocker Garage.3mf.zip

Checklist of files included above

• Project file
• Screenshot

Version of PrusaSlicer

PrusaSlicer-2.9.0-beta1

Operating system

Mac OS 15.2

Printer model

MK4S