Description

Crash occurs when the user opens the linked project, which has Hair assets.

[Link Removed]

Steps to Reproduce
  1. Download the linked project
  2. Open the project in editor.

RESULT

Crash

Callstack
Fatal error: [File:D:/Build/++UE4+Licensee/Sync/Engine/Source/Runtime/CoreUObject/Private/UObject/LinkerLoad.cpp] [Line: 3899] 
GroomAsset /Game/CHARACTER/hair_test_2.hair_test_2: Serial size mismatch: Got 3520, Expected 73273698


KERNELBASE.dll!UnknownFunction []
UE4Editor-Core.dll!ReportAssert() [D:\Build\++UE4+Licensee\Sync\Engine\Source\Runtime\Core\Private\Windows\WindowsPlatformCrashContext.cpp:1541]
UE4Editor-Core.dll!FWindowsErrorOutputDevice::Serialize() [D:\Build\++UE4+Licensee\Sync\Engine\Source\Runtime\Core\Private\Windows\WindowsErrorOutputDevice.cpp:78]
UE4Editor-Core.dll!FOutputDevice::LogfImpl() [D:\Build\++UE4+Licensee\Sync\Engine\Source\Runtime\Core\Private\Misc\OutputDevice.cpp:61]
UE4Editor-CoreUObject.dll!FLinkerLoad::Preload() [D:\Build\++UE4+Licensee\Sync\Engine\Source\Runtime\CoreUObject\Private\UObject\LinkerLoad.cpp:3899]
UE4Editor-CoreUObject.dll!EndLoad() [D:\Build\++UE4+Licensee\Sync\Engine\Source\Runtime\CoreUObject\Private\UObject\UObjectGlobals.cpp:1555]
UE4Editor-CoreUObject.dll!<lambda_d7afe02bf9c460bdfe082586fba5c066>::operator()() [D:\Build\++UE4+Licensee\Sync\Engine\Source\Runtime\CoreUObject\Private\UObject\UObjectGlobals.cpp:1231]
UE4Editor-CoreUObject.dll!LoadPackageInternal() [D:\Build\++UE4+Licensee\Sync\Engine\Source\Runtime\CoreUObject\Private\UObject\UObjectGlobals.cpp:1332]
UE4Editor-CoreUObject.dll!LoadPackage() [D:\Build\++UE4+Licensee\Sync\Engine\Source\Runtime\CoreUObject\Private\UObject\UObjectGlobals.cpp:1427]
UE4Editor-UnrealEd.dll!UEditorEngine::Map_Load() [D:\Build\++UE4+Licensee\Sync\Engine\Source\Editor\UnrealEd\Private\EditorServer.cpp:2619]
UE4Editor-UnrealEd.dll!UEditorEngine::HandleMapCommand() [D:\Build\++UE4+Licensee\Sync\Engine\Source\Editor\UnrealEd\Private\EditorServer.cpp:6167]
UE4Editor-UnrealEd.dll!UEditorEngine::Exec() [D:\Build\++UE4+Licensee\Sync\Engine\Source\Editor\UnrealEd\Private\EditorServer.cpp:5647]
UE4Editor-UnrealEd.dll!UUnrealEdEngine::Exec() [D:\Build\++UE4+Licensee\Sync\Engine\Source\Editor\UnrealEd\Private\UnrealEdSrv.cpp:697]
UE4Editor-UnrealEd.dll!FEditorFileUtils::LoadMap() [D:\Build\++UE4+Licensee\Sync\Engine\Source\Editor\UnrealEd\Private\FileHelpers.cpp:2561]
UE4Editor-UnrealEd.dll!FEditorFileUtils::LoadDefaultMapAtStartup() [D:\Build\++UE4+Licensee\Sync\Engine\Source\Editor\UnrealEd\Private\FileHelpers.cpp:3950]
UE4Editor-UnrealEd.dll!FUnrealEdMisc::OnInit() [D:\Build\++UE4+Licensee\Sync\Engine\Source\Editor\UnrealEd\Private\UnrealEdMisc.cpp:361]
UE4Editor-UnrealEd.dll!EditorInit() [D:\Build\++UE4+Licensee\Sync\Engine\Source\Editor\UnrealEd\Private\UnrealEdGlobals.cpp:114]
UE4Editor.exe!GuardedMain() [D:\Build\++UE4+Licensee\Sync\Engine\Source\Runtime\Launch\Private\Launch.cpp:149]
UE4Editor.exe!GuardedMainWrapper() [D:\Build\++UE4+Licensee\Sync\Engine\Source\Runtime\Launch\Private\Windows\LaunchWindows.cpp:137]
UE4Editor.exe!WinMain() [D:\Build\++UE4+Licensee\Sync\Engine\Source\Runtime\Launch\Private\Windows\LaunchWindows.cpp:268]
UE4Editor.exe!__scrt_common_main_seh() [d:\agent\_work\5\s\src\vctools\crt\vcstartup\src\startup\exe_common.inl:288]
KERNEL32.DLL!UnknownFunction []
ntdll.dll!UnknownFunction []

Have Comments or More Details?

There's no existing public thread on this issue, so head over toAnswerHub just mention UE-95095 in the post.

3
Login to Vote

Won't Fix
ComponentPhysics
Affects Versions4.25
CreatedJun 30, 2020
ResolvedJul 2, 2020
UpdatedJul 2, 2020