World Composition Crashes Editor
Assertion failed: Ar.Tell() < MAX_SUMMARY_SIZE / 2 [File:D:\Build\++UE4+Release-4.16+Compile\Sync\Engine\Source\Runtime\CoreUObject\Private\Serialization\AsyncLoading.cpp] [Line: 6783]
KERNELBASE.dll!0x00000000C4019E08 UE4Editor-Core.dll!0x000000006444AF0E UE4Editor-Core.dll!0x00000000642623AB UE4Editor-Core.dll!0x00000000641F0759 UE4Editor-CoreUObject.dll!0x000000007DE3525B UE4Editor-Core.dll!0x0000000064098D59 UE4Editor-Core.dll!0x00000000640C1F1F UE4Editor-Core.dll!0x00000000640AA42F UE4Editor-Core.dll!0x00000000640A947E UE4Editor-Core.dll!0x00000000641468F8 UE4Editor-Core.dll!0x000000006445E5B8 UE4Editor-Core.dll!0x0000000064458DE9 KERNEL32.DLL!0x00000000C5A72774 ntdll.dll!0x00000000C71B0D61 ntdll.dll!0x00000000C71B0D61
Crash in runnable thread PoolThread 9
This error only occurs in 4.16 and only when trying to open levels with world composition enabled. This crash doesn't occur on 4.15 or any of its sub versions. I've deleted the original level and re-imported the sub-levels by enabling world composition and it only crashes if you leave the persistent/master level and try to re-open the level with world composition enabled. If the level is the editor default level it will crash the editor before opening.
asked Jun 09 '17 at 05:58 AM in Bug Reports
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