[CrashReport] UE4Editor-UnrealEd!UnFbx::FFbxImporter::BuildStaticMeshFromGeometry

Assertion failed: AddedVertexInstanceId == VertexInstanceID [File:D:/Build/++UE4/Sync/Engine/Source/Editor/UnrealEd/Private/Fbx/FbxStaticMeshImport.cpp] [Line: 708]

VCRUNTIME140!340c0000  + b8d0
ntdll!43ae0000  + a11ff
ntdll!43ae0000  + 6a289
ntdll!43ae0000  + 6a043
KERNELBASE!40c70000  + 3a839
UE4Editor-Core!ReportAssert(wchar_t const *,int) [WindowsPlatformCrashContext.cpp:1332]
UE4Editor-Core!FWindowsErrorOutputDevice::Serialize(wchar_t const *,ELogVerbosity::Type,FName const &) [WindowsErrorOutputDevice.cpp:79]
UE4Editor-Core!FOutputDevice::LogfImpl(wchar_t const *,...) [OutputDevice.cpp:71]
UE4Editor-Core!AssertFailedImplV  [AssertionMacros.cpp:105]
UE4Editor-Core!FDebug::CheckVerifyFailedImpl(char const *,char const *,int,wchar_t const *,...) [AssertionMacros.cpp:455]
UE4Editor-UnrealEd!UnFbx::FFbxImporter::BuildStaticMeshFromGeometry(fbxsdk::FbxNode *,UStaticMesh *,TArray<UnFbx::FFbxImporter::FFbxMaterial,TSizedDefaultAllocator<32> > &,int,EVertexColorImportOption::Type,TMap<FVector,FColor,FDefaultSetAllocator,TDefaultMapHashableKeyFuncs<FVector,FColor,0> > const &,FColor const &) [FbxStaticMeshImport.cpp:708]
UE4Editor-UnrealEd!UnFbx::FFbxImporter::ImportStaticMeshAsSingle(UObject *,TArray<fbxsdk::FbxNode *,TSizedDefaultAllocator<32> > &,FName,EObjectFlags,UFbxStaticMeshImportData *,UStaticMesh *,int,void *) [FbxStaticMeshImport.cpp:1556]
UE4Editor-UnrealEd!UFbxFactory::FactoryCreateFile(UClass *,UObject *,FName,EObjectFlags,FString const &,wchar_t const *,FFeedbackContext *,bool &) [FbxFactory.cpp:409]
UE4Editor-UnrealEd!UFactory::ImportObject(UClass *,UObject *,FName,EObjectFlags,FString const &,wchar_t const *,bool &) [Factory.cpp:187]
UE4Editor-AssetTools!UAssetToolsImpl::ImportAssetsInternal(TArray<FString,TSizedDefaultAllocator<32> > const &,FString const &,TArray<TTuple<FString,FString>,TSizedDefaultAllocator<32> > *,FAssetImportParams const &) [AssetTools.cpp:1998]
UE4Editor-AssetTools!UAssetToolsImpl::ImportAssets(TArray<FString,TSizedDefaultAllocator<32> > const &,FString const &,UFactory *,bool,TArray<TTuple<FString,FString>,TSizedDefaultAllocator<32> > *) [AssetTools.cpp:1223]
UE4Editor-AssetTools!UAssetToolsImpl::ImportAssetsWithDialog(FString const &) [AssetTools.cpp:1056]
UE4Editor-ContentBrowser!SContentBrowser::ImportAsset(FString const &) [SContentBrowser.cpp:1016]
UE4Editor-ContentBrowser!SContentBrowser::HandleImportClicked() [SContentBrowser.cpp:1007]
UE4Editor-ContentBrowser!TBaseSPMethodDelegateInstance<0,SContentBrowser,0,FReply >::Execute() [DelegateInstancesImpl.h:293]
UE4Editor-Slate!SButton::ExecuteOnClick() [SButton.cpp:385]
UE4Editor-Slate!SButton::OnMouseButtonUp(FGeometry const &,FPointerEvent const &) [SButton.cpp:304]
UE4Editor-Slate!FEventRouter::Route<FReply,FEventRouter::FToLeafmostPolicy,FPointerEvent,<lambda_6c1f6b862bcfb82ea6dcab28fbcc9463> >  [SlateApplication.cpp:372]
UE4Editor-Slate!FSlateApplication::RoutePointerUpEvent(FWidgetPath const &,FPointerEvent const &) [SlateApplication.cpp:4612]
UE4Editor-Slate!FSlateApplication::ProcessMouseButtonUpEvent(FPointerEvent const &) [SlateApplication.cpp:5135]
UE4Editor-Slate!FSlateApplication::OnMouseUp(EMouseButtons::Type,FVector2D) [SlateApplication.cpp:5103]
UE4Editor-ApplicationCore!FWindowsApplication::ProcessDeferredMessage(FDeferredWindowsMessage const &) [WindowsApplication.cpp:1958]
UE4Editor-ApplicationCore!FWindowsApplication::DeferMessage(TSharedPtr<FWindowsWindow,0> &,HWND__ *,unsigned int,unsigned __int64,__int64,int,int,unsigned int) [WindowsApplication.cpp:2410]
UE4Editor-ApplicationCore!FWindowsApplication::ProcessMessage(HWND__ *,unsigned int,unsigned __int64,__int64) [WindowsApplication.cpp:1638]
UE4Editor-ApplicationCore!FWindowsApplication::AppWndProc(HWND__ *,unsigned int,unsigned __int64,__int64) [WindowsApplication.cpp:789]
USER32!42500000  + 163ed
USER32!42500000  + 15de2
UE4Editor-ApplicationCore!FWindowsPlatformApplicationMisc::PumpMessages(bool) [WindowsPlatformApplicationMisc.cpp:130]
UE4Editor!FEngineLoop::Tick() [LaunchEngineLoop.cpp:4397]
UE4Editor!GuardedMain(wchar_t const *,HINSTANCE__ *,HINSTANCE__ *,int) [Launch.cpp:173]
UE4Editor!GuardedMainWrapper(wchar_t const *,HINSTANCE__ *,HINSTANCE__ *,int) [LaunchWindows.cpp:134]
UE4Editor!WinMain  [LaunchWindows.cpp:263]
UE4Editor!__scrt_common_main_seh  [exe_common.inl:288]
KERNEL32!42140000  + 17bd4
ntdll!43ae0000  + 6ced1