Was reviewing test cases for new Bloom feature and was looking at different actors that make use of PP. Happened to select a Camera Actor and Cinematic Camera actor at the same time which led to this crash.
The crash only reproduces when details panel is visible.
Result: Editor crashes almost instantly
LoginId:664a3b6e473badab41ae90b4a8b67613 EpicAccountId:ad3adebad6fa43fdbf7ccfb8eb347e6c Assertion failed: IsValid() [File:D:\Builds\UE4_Dev-Main\Engine\Source\Runtime\Core\Public\Templates/SharedPointer.h] [Line: 835] UE4Editor_Core!FDebug::AssertFailed() [d:\builds\ue4_dev-main\engine\source\runtime\core\private\misc\assertionmacros.cpp:349] UE4Editor_DetailCustomizations!FColorGradingCustomBuilder::GenerateHeaderRowContent() [d:\builds\ue4_dev-main\engine\source\editor\detailcustomizations\private\colorgradingvectorcustomization.cpp:797] UE4Editor_PropertyEditor!FDetailCustomBuilderRow::OnItemNodeInitialized() [d:\builds\ue4_dev-main\engine\source\editor\propertyeditor\private\detailcustombuilderrow.cpp:47] UE4Editor_PropertyEditor!FDetailItemNode::InitCustomBuilder() [d:\builds\ue4_dev-main\engine\source\editor\propertyeditor\private\detailitemnode.cpp:99] UE4Editor_PropertyEditor!FDetailItemNode::Initialize() [d:\builds\ue4_dev-main\engine\source\editor\propertyeditor\private\detailitemnode.cpp:46] UE4Editor_PropertyEditor!FDetailPropertyRow::GenerateChildrenForPropertyNode() [d:\builds\ue4_dev-main\engine\source\editor\propertyeditor\private\detailpropertyrow.cpp:247] UE4Editor_PropertyEditor!FDetailPropertyRow::OnGenerateChildren() [d:\builds\ue4_dev-main\engine\source\editor\propertyeditor\private\detailpropertyrow.cpp:228] UE4Editor_PropertyEditor!FDetailItemNode::GenerateChildren() [d:\builds\ue4_dev-main\engine\source\editor\propertyeditor\private\detailitemnode.cpp:224] UE4Editor_PropertyEditor!FDetailGroup::OnGenerateChildren() [d:\builds\ue4_dev-main\engine\source\editor\propertyeditor\private\detailgroup.cpp:219] UE4Editor_PropertyEditor!FDetailItemNode::GenerateChildren() [d:\builds\ue4_dev-main\engine\source\editor\propertyeditor\private\detailitemnode.cpp:235] UE4Editor_PropertyEditor!FDetailCategoryImpl::GenerateNodesFromCustomizations() [d:\builds\ue4_dev-main\engine\source\editor\propertyeditor\private\detailcategorybuilderimpl.cpp:663] UE4Editor_PropertyEditor!FDetailCategoryImpl::GenerateChildrenForSingleLayout() [d:\builds\ue4_dev-main\engine\source\editor\propertyeditor\private\detailcategorybuilderimpl.cpp:685] UE4Editor_PropertyEditor!FDetailCategoryImpl::GenerateChildrenForLayouts() [d:\builds\ue4_dev-main\engine\source\editor\propertyeditor\private\detailcategorybuilderimpl.cpp:710] UE4Editor_PropertyEditor!FDetailCategoryImpl::GenerateLayout() [d:\builds\ue4_dev-main\engine\source\editor\propertyeditor\private\detailcategorybuilderimpl.cpp:869] UE4Editor_PropertyEditor!FDetailLayoutBuilderImpl::BuildCategories() [d:\builds\ue4_dev-main\engine\source\editor\propertyeditor\private\detaillayoutbuilderimpl.cpp:152] UE4Editor_PropertyEditor!FDetailLayoutBuilderImpl::GenerateDetailLayout() [d:\builds\ue4_dev-main\engine\source\editor\propertyeditor\private\detaillayoutbuilderimpl.cpp:196] UE4Editor_PropertyEditor!SDetailsViewBase::UpdateSinglePropertyMap() [d:\builds\ue4_dev-main\engine\source\editor\propertyeditor\private\sdetailsviewbase.cpp:408] UE4Editor_PropertyEditor!SDetailsViewBase::UpdatePropertyMaps() [d:\builds\ue4_dev-main\engine\source\editor\propertyeditor\private\sdetailsviewbase.cpp:373] UE4Editor_PropertyEditor!SDetailsView::PostSetObject() [d:\builds\ue4_dev-main\engine\source\editor\propertyeditor\private\sdetailsview.cpp:838] UE4Editor_PropertyEditor!SDetailsView::SetObjectArrayPrivate() [d:\builds\ue4_dev-main\engine\source\editor\propertyeditor\private\sdetailsview.cpp:600] UE4Editor_PropertyEditor!SDetailsView::SetObjects() [d:\builds\ue4_dev-main\engine\source\editor\propertyeditor\private\sdetailsview.cpp:349] UE4Editor_LevelEditor!SActorDetails::SetObjects() [d:\builds\ue4_dev-main\engine\source\editor\leveleditor\private\sactordetails.cpp:224] UE4Editor_LevelEditor!SLevelEditor::OnActorSelectionChanged() [d:\builds\ue4_dev-main\engine\source\editor\leveleditor\private\sleveleditor.cpp:1488] UE4Editor_LevelEditor!TBaseSPMethodDelegateInstance<0,SLevelEditor,0,TTypeWrapper<void> __cdecl(TArray<UObject * __ptr64,FDefaultAllocator> const & __ptr64,bool)>::Execute() [d:\builds\ue4_dev-main\engine\source\runtime\core\public\delegates\delegateinstancesimpl.h:327] UE4Editor_LevelEditor!TBaseSPMethodDelegateInstance<0,SLevelEditor,0,void __cdecl(TArray<UObject * __ptr64,FDefaultAllocator> const & __ptr64,bool)>::ExecuteIfSafe() [d:\builds\ue4_dev-main\engine\source\runtime\core\public\delegates\delegateinstancesimpl.h:434] UE4Editor_LevelEditor!TBaseMulticastDelegate<void,TArray<UObject * __ptr64,FDefaultAllocator> const & __ptr64,bool>::Broadcast() [d:\builds\ue4_dev-main\engine\source\runtime\core\public\delegates\delegatesignatureimpl.inl:937] UE4Editor_UnrealEd!UUnrealEdEngine::UpdateFloatingPropertyWindowsFromActorList() [d:\builds\ue4_dev-main\engine\source\editor\unrealed\private\editorhook.cpp:70] UE4Editor_UnrealEd!UUnrealEdEngine::UpdateFloatingPropertyWindows() [d:\builds\ue4_dev-main\engine\source\editor\unrealed\private\editorhook.cpp:61] UE4Editor_UnrealEd!UUnrealEdEngine::NoteSelectionChange() [d:\builds\ue4_dev-main\engine\source\editor\unrealed\private\editorselectutils.cpp:418] UE4Editor_UnrealEd!UUnrealEdEngine::SelectActor() [d:\builds\ue4_dev-main\engine\source\editor\unrealed\private\editorselectutils.cpp:648] UE4Editor_UnrealEd!ClickHandlers::ClickActor() [d:\builds\ue4_dev-main\engine\source\editor\unrealed\private\levelviewportclickhandlers.cpp:278] UE4Editor_UnrealEd!FLevelEditorViewportClient::ProcessClick() [d:\builds\ue4_dev-main\engine\source\editor\unrealed\private\leveleditorviewport.cpp:1965] UE4Editor_UnrealEd!FEditorViewportClient::ProcessClickInViewport() [d:\builds\ue4_dev-main\engine\source\editor\unrealed\private\editorviewportclient.cpp:2618] UE4Editor_UnrealEd!FEditorViewportClient::InputKey() [d:\builds\ue4_dev-main\engine\source\editor\unrealed\private\editorviewportclient.cpp:2380] UE4Editor_UnrealEd!FLevelEditorViewportClient::InputKey() [d:\builds\ue4_dev-main\engine\source\editor\unrealed\private\leveleditorviewport.cpp:2510] UE4Editor_Engine!FSceneViewport::OnMouseButtonUp() [d:\builds\ue4_dev-main\engine\source\runtime\engine\private\slate\sceneviewport.cpp:575] UE4Editor_Slate!SViewport::OnMouseButtonUp() [d:\builds\ue4_dev-main\engine\source\runtime\slate\private\widgets\sviewport.cpp:200] UE4Editor_Slate!<lambda_8d0e9a1da76abd0a756a3a9d775f5ed1>::operator()() [d:\builds\ue4_dev-main\engine\source\runtime\slate\private\framework\application\slateapplication.cpp:5049] UE4Editor_Slate!FEventRouter::Route<FReply,FEventRouter::FToLeafmostPolicy,FPointerEvent,<lambda_8d0e9a1da76abd0a756a3a9d775f5ed1> >() [d:\builds\ue4_dev-main\engine\source\runtime\slate\private\framework\application\slateapplication.cpp:239] UE4Editor_Slate!FSlateApplication::RoutePointerUpEvent() [d:\builds\ue4_dev-main\engine\source\runtime\slate\private\framework\application\slateapplication.cpp:5038] UE4Editor_Slate!FSlateApplication::ProcessMouseButtonUpEvent() [d:\builds\ue4_dev-main\engine\source\runtime\slate\private\framework\application\slateapplication.cpp:5515] UE4Editor_Slate!FSlateApplication::OnMouseUp() [d:\builds\ue4_dev-main\engine\source\runtime\slate\private\framework\application\slateapplication.cpp:5495] UE4Editor_Core!FWindowsApplication::ProcessDeferredMessage() [d:\builds\ue4_dev-main\engine\source\runtime\core\private\windows\windowsapplication.cpp:1704] UE4Editor_Core!FWindowsApplication::DeferMessage() [d:\builds\ue4_dev-main\engine\source\runtime\core\private\windows\windowsapplication.cpp:2127] UE4Editor_Core!FWindowsApplication::ProcessMessage() [d:\builds\ue4_dev-main\engine\source\runtime\core\private\windows\windowsapplication.cpp:867] UE4Editor_Core!FWindowsApplication::AppWndProc() [d:\builds\ue4_dev-main\engine\source\runtime\core\private\windows\windowsapplication.cpp:714] user32 user32 UE4Editor_Core!FWindowsPlatformMisc::PumpMessages() [d:\builds\ue4_dev-main\engine\source\runtime\core\private\windows\windowsplatformmisc.cpp:980] UE4Editor!FEngineLoop::Tick() [d:\builds\ue4_dev-main\engine\source\runtime\launch\private\launchengineloop.cpp:3056] UE4Editor!GuardedMain() [d:\builds\ue4_dev-main\engine\source\runtime\launch\private\launch.cpp:166] UE4Editor!GuardedMainWrapper() [d:\builds\ue4_dev-main\engine\source\runtime\launch\private\windows\launchwindows.cpp:134] UE4Editor!WinMain() [d:\builds\ue4_dev-main\engine\source\runtime\launch\private\windows\launchwindows.cpp:210] UE4Editor!__scrt_common_main_seh() [f:\dd\vctools\crt\vcstartup\src\startup\exe_common.inl:253] kernel32 ntdll
i have this problem UE4CC-Windows-58DC12AF4B97F057BD108FBFF569B2E9_0000
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There's no existing public thread on this issue, so head over to Questions & Answers just mention UE-43887 in the post.