[Crash]-[Reimport] - Crash on reimporting CAD file with deleted light sources

LoginId:d4efcd914a1562dd90f6c7b9de2b0e5c
EpicAccountId:93f9ac8ec604427da98a40029c30e3ad

Access violation - code c0000005 (first/second chance not available)

UE4Editor_DatasmithImporter!UDatasmithImportFactory::ConditionalDeleteActorMissingFromScene() [d:\dev\ue4_release-4.20\enterprise\plugins\editor\datasmithimporter\source\datasmithimporter\private\datasmithimportfactory.cpp:580]
UE4Editor_DatasmithImporter!UDatasmithImportFactory::DeleteActorsMissingFromScene() [d:\dev\ue4_release-4.20\enterprise\plugins\editor\datasmithimporter\source\datasmithimporter\private\datasmithimportfactory.cpp:554]
UE4Editor_DatasmithImporter!UDatasmithImportFactory::ImportActors() [d:\dev\ue4_release-4.20\enterprise\plugins\editor\datasmithimporter\source\datasmithimporter\private\datasmithimportfactory.cpp:408]
UE4Editor_DatasmithImporter!UDatasmithImportFactory::ImportDatasmithScene() [d:\dev\ue4_release-4.20\enterprise\plugins\editor\datasmithimporter\source\datasmithimporter\private\datasmithimportfactory.cpp:356]
UE4Editor_DatasmithImporter!UDatasmithImportFactory::Import() [d:\dev\ue4_release-4.20\enterprise\plugins\editor\datasmithimporter\source\datasmithimporter\private\datasmithimportfactory.cpp:877]
UE4Editor_DatasmithImporter!UDatasmithImportFactory::ReimportScene() [d:\dev\ue4_release-4.20\enterprise\plugins\editor\datasmithimporter\source\datasmithimporter\private\datasmithimportfactory.cpp:2190]
UE4Editor_DatasmithImporter!UDatasmithImportFactory::Reimport() [d:\dev\ue4_release-4.20\enterprise\plugins\editor\datasmithimporter\source\datasmithimporter\private\datasmithimportfactory.cpp:2305]
UE4Editor_UnrealEd!FReimportManager::Reimport() [d:\dev\ue4_release-4.20\engine\source\editor\unrealed\private\editor.cpp:284]
UE4Editor_UnrealEd!FReimportManager::ReimportMultiple() [d:\dev\ue4_release-4.20\engine\source\editor\unrealed\private\editor.cpp:488]
UE4Editor_UnrealEd!FReimportManager::ValidateAllSourceFileAndReimport() [d:\dev\ue4_release-4.20\engine\source\editor\unrealed\private\editor.cpp:459]
UE4Editor_ContentBrowser!FAssetContextMenu::ExecuteReimport() [d:\dev\ue4_release-4.20\engine\source\editor\contentbrowser\private\assetcontextmenu.cpp:1495]
UE4Editor_ContentBrowser!TBaseSPMethodDelegateInstance<0,FAssetContextMenu,0,TTypeWrapper<void> __cdecl(void)>::Execute() [d:\dev\ue4_release-4.20\engine\source\runtime\core\public\delegates\delegateinstancesimpl.h:269]
UE4Editor_ContentBrowser!TBaseSPMethodDelegateInstance<0,FAssetContextMenu,0,void __cdecl(void)>::ExecuteIfSafe() [d:\dev\ue4_release-4.20\engine\source\runtime\core\public\delegates\delegateinstancesimpl.h:345]
UE4Editor_Slate!SMenuEntryBlock::OnClicked() [d:\dev\ue4_release-4.20\engine\source\runtime\slate\private\framework\multibox\smenuentryblock.cpp:1037]
UE4Editor_Slate!SMenuEntryBlock::OnMenuItemButtonClicked() [d:\dev\ue4_release-4.20\engine\source\runtime\slate\private\framework\multibox\smenuentryblock.cpp:988]
UE4Editor_Slate!TMemberFunctionCaller<SMenuEntryBlock,FReply (__cdecl SMenuEntryBlock::*)(void) __ptr64>::operator()<>() [d:\dev\ue4_release-4.20\engine\source\runtime\core\public\delegates\delegateinstanceinterface.h:156]
UE4Editor_Slate!UE4Tuple_Private::TTupleImpl<TIntegerSequence<unsigned int> >::ApplyAfter<TMemberFunctionCaller<SMenuEntryBlock,FReply (__cdecl SMenuEntryBlock::*)(void) __ptr64> >() [d:\dev\ue4_release-4.20\engine\source\runtime\core\public\templates\tuple.h:498]
UE4Editor_Slate!TBaseSPMethodDelegateInstance<0,SMenuEntryBlock,0,FReply __cdecl(void)>::Execute() [d:\dev\ue4_release-4.20\engine\source\runtime\core\public\delegates\delegateinstancesimpl.h:269]
UE4Editor_Slate!TBaseDelegate<FReply>::Execute() [d:\dev\ue4_release-4.20\engine\source\runtime\core\public\delegates\delegatesignatureimpl.inl:537]
UE4Editor_Slate!SButton::OnMouseButtonUp() [d:\dev\ue4_release-4.20\engine\source\runtime\slate\private\widgets\input\sbutton.cpp:290]
UE4Editor_Slate!SMenuEntryButton::OnMouseButtonUp() [d:\dev\ue4_release-4.20\engine\source\runtime\slate\private\framework\multibox\smenuentryblock.cpp:385]
UE4Editor_Slate!<lambda_1002768c627006711ef2f351a87ec0e7>::operator()() [d:\dev\ue4_release-4.20\engine\source\runtime\slate\private\framework\application\slateapplication.cpp:5483]
UE4Editor_Slate!FEventRouter::Route<FReply,FEventRouter::FToLeafmostPolicy,FPointerEvent,<lambda_1002768c627006711ef2f351a87ec0e7> >() [d:\dev\ue4_release-4.20\engine\source\runtime\slate\private\framework\application\slateapplication.cpp:268]
UE4Editor_Slate!FSlateApplication::RoutePointerUpEvent() [d:\dev\ue4_release-4.20\engine\source\runtime\slate\private\framework\application\slateapplication.cpp:5472]
UE4Editor_Slate!FSlateApplication::ProcessMouseButtonUpEvent() [d:\dev\ue4_release-4.20\engine\source\runtime\slate\private\framework\application\slateapplication.cpp:5979]
UE4Editor_Slate!FSlateApplication::OnMouseUp() [d:\dev\ue4_release-4.20\engine\source\runtime\slate\private\framework\application\slateapplication.cpp:5959]
UE4Editor_ApplicationCore!FWindowsApplication::ProcessDeferredMessage() [d:\dev\ue4_release-4.20\engine\source\runtime\applicationcore\private\windows\windowsapplication.cpp:1736]
UE4Editor_ApplicationCore!FWindowsApplication::DeferMessage() [d:\dev\ue4_release-4.20\engine\source\runtime\applicationcore\private\windows\windowsapplication.cpp:2182]
UE4Editor_ApplicationCore!FWindowsApplication::ProcessMessage() [d:\dev\ue4_release-4.20\engine\source\runtime\applicationcore\private\windows\windowsapplication.cpp:895]
UE4Editor_ApplicationCore!FWindowsApplication::AppWndProc() [d:\dev\ue4_release-4.20\engine\source\runtime\applicationcore\private\windows\windowsapplication.cpp:732]
user32
user32
UE4Editor_ApplicationCore!FWindowsPlatformApplicationMisc::PumpMessages() [d:\dev\ue4_release-4.20\engine\source\runtime\applicationcore\private\windows\windowsplatformapplicationmisc.cpp:129]
UE4Editor!FEngineLoop::Tick() [d:\dev\ue4_release-4.20\engine\source\runtime\launch\private\launchengineloop.cpp:3417]
UE4Editor!GuardedMain() [d:\dev\ue4_release-4.20\engine\source\runtime\launch\private\launch.cpp:166]
UE4Editor!GuardedMainWrapper() [d:\dev\ue4_release-4.20\engine\source\runtime\launch\private\windows\launchwindows.cpp:144]
UE4Editor!WinMain() [d:\dev\ue4_release-4.20\engine\source\runtime\launch\private\windows\launchwindows.cpp:223]
UE4Editor!__scrt_common_main_seh() [f:\dd\vctools\crt\vcstartup\src\startup\exe_common.inl:253]
kernel32
ntdll