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Lightmass Crashed

Path: X: Program Files/Unreal Engine

Windows 7 64 Bit

EVGA GTX 680 Superclock

I was playing around in an area I created. I've tried to delete objects that I thought might be causing problems (Did some geometry editing) but that did not solve the issue at hand.

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Product Version: Not Selected
unreal.png (139.8 kB)
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asked Jul 08 '14 at 06:47 AM in Bug Reports

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avatar image Lovecraft_K ♦♦ STAFF Jul 08 '14 at 09:05 PM

Hi madmax12ca -

Thank you for your report. I will begin investigation into this issue as soon as possible. I wanted to ask a few questions to begin our search for the solution to this problem.

What version of the engine you are using? Is it compiled from Source on GitHub or is it from the Launcher? Does this happen on a specific map only or is this occurring to all maps?

In the meantime, please be sure to also review our suggestions for how to report a bug, and feel free to edit your post if you have additional information to provide: https://answers.unrealengine.com/questions/12363/how-do-i-report-a-bug.html

Thank you.

Eric Ketchum

avatar image madmax12ca Jul 08 '14 at 09:38 PM

Hi there. I have UE 4.2.1. I use the launcher.

I have pinpointed the issue and have resolved it but not fixed it. The Static mesh Bench_01_Low is the cause of the crash. I am using a custom map. All assets were migrated to this build successfully and without any hitches.

I would eventually like to use this static mesh.

avatar image Lovecraft_K ♦♦ STAFF Jul 08 '14 at 10:16 PM

HI madmax12ca -

Would you be willing to share this asset with us for testing purposes? You can zip and upload here assuming its not to terribly large. If so, please also let us know where the FBX originated, Maya, Max, Blender, or other.

Thank You

Eric Ketchum

avatar image madmax12ca Jul 14 '14 at 05:27 AM

It's the bench from the SciFi Hallway in the marketplace


bench_01_low.zip (194.0 kB)
avatar image madmax12ca Jul 16 '14 at 09:29 AM

All assets from SciFi Hallways cause the same crash. I've tried remigrating them, in a fresh project and they still crash. Strange.

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Hi madmax12ca -

Have you tried to see if this is still a problem in 4.3? I have not been able to reproduce yet, but I am still trying to work on a reproduction.

Thank You

Eric Ketchum

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answered Jul 16 '14 at 05:37 PM

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Lovecraft_K ♦♦ STAFF
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avatar image madmax12ca Jul 16 '14 at 10:38 PM

Thanks Eric. Got the 4.3 update today. it fixed the issue.

avatar image Casper Wermuth Sep 16 '14 at 01:05 PM


I have 4.3.0 and I still have the issue. I will try to fix it, so I can describe how to reproduce it.

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