Hi, I found a fully reproducible crash involving CoronaRayswitchMtl + CoronaSlicerMtl. System: Windows 11 Pro 25H2, 3ds Max 2023 / 2025, Corona 14. What happens: 3ds Max instantly crashes as soon as I plug a CoronaSlicerMtl into CoronaRayswitchMtl (any slot). This occurs even in a completely n…

Thank you for a perfect bugreport. This is a known issue, it is logged as (Report ID=CMAX-2032). Unfortunately, at this point I am not aware of any workaround. I will test it some more and let you know if I come up with something.

Corona 14 - Crash when connecting CoronaSlicerMtl to CoronaRayswitchMtl

Corona for 3ds Max Corona for 3ds Max :: Issues

maru December 3, 2025, 4:27pm 3

This is fixed in Corona 14 Update 1 Release Candidate 1 - https://forum.corona-renderer.com/ Chaos Corona 14 Update 1 for 3ds Max - Changelog

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Corona 14 - Crash when connecting CoronaSlicerMtl to CoronaRayswitchMtl

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