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Assertion failed: MaterialInstance

After I packaged my application and play it, sometimes crash happen... log is below.
My build configuration state is Development and I use ue4.14.3 editor built from source for my project.

[2017.07.13-06.46.22:391][381]LogThreadingWindows:Error: Runnable thread TaskGraphThreadNP 1 crashed.
[2017.07.13-06.46.22:391][381]LogWindows:Error: === Critical error: ===
[2017.07.13-06.46.22:391][381]LogWindows:Error:
[2017.07.13-06.46.22:391][381]LogWindows:Error: Assertion failed: IsInGameThread() || IsAsyncLoading() [File:D:\Source\UnrealEngine\Engine\Source\Runtime\Engine\Private\Materials\MaterialInstance.cpp] [Line: 450]

I have no idea about this. Anyone have idea?

Product Version: UE 4.14
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asked Jul 13 '17 at 08:57 AM in Using UE4

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takoji
6 1

avatar image haisong Dec 01 '17 at 04:29 AM

Did you find what is wrong? We met the same problem.

avatar image Groatse Nov 03 '18 at 11:03 PM

Latest on this? I'm having this on 4.19

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