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Build light lightmass crash when Load ICU DLL


It reported crash (but Editor still working) when building light try to load some ICUInternationalization DLL, the build light process stopped.

I guess the InverseFast() throw some error message, ICU DLL try to translate that message but fail to find proper dll for my region/language.

I tried to change my Windows8.1 to pure English region/language, but no help.

=== Lightmass crashed: === Assertion failed: DllHandle != nullptr [File:D:\Build\++UE4+Release-4.18+Compile\Sync\Engine\Source\Runtime\Core\Private\Internationalization\ICUInternationalization.cpp][Line:238]

alt text

Product Version: UE 4.18
crash2.png (86.5 kB)
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asked Jan 11 '18 at 02:37 AM in Using UE4

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I have this same issue. Please let me know if you resolved it.

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answered Apr 14 '18 at 06:50 AM

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avatar image rz1974 Apr 16 '18 at 01:29 AM

My workaround is not to solve the issue, but try to locate the scene level which arise the crash, and remove the scene level or actor.

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