[CrashReport] UE4Editor_DetailCustomizations!FBrushDetails::OnClassPicked() [brushdetails.cpp:306]

296       		// make sure the brushes are rebuilt
  297       		for (FNewBrushBuilder& NewObject : NewBuilders)
  298       		{
  299       			NewObject.Builder->Build(NewObject.Brush->GetWorld(), NewObject.Brush);
  300       		}
  301       
  302       		GEditor->RebuildAlteredBSP();
  303       	}
  304       
  305 ***** 	DetailLayout->ForceRefreshDetails();
  306       }

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

UE4Editor_DetailCustomizations!FBrushDetails::OnClassPicked() [brushdetails.cpp:306]
UE4Editor_DetailCustomizations!TBaseSPMethodDelegateInstance<0,FBrushDetails,0,TTypeWrapper<void> __cdecl() [delegateinstancesimpl.h:327]
UE4Editor_DetailCustomizations!TBaseSPMethodDelegateInstance<0,FBrushDetails,0,void __cdecl() [delegateinstancesimpl.h:434]
UE4Editor_ClassViewer!SClassViewer::OnClassViewerSelectionChanged() [sclassviewer.cpp:2457]
UE4Editor_ClassViewer!SClassViewer::OnFocusReceived() [sclassviewer.cpp:3159]
UE4Editor_Slate!FSlateApplication::SetUserFocus() [slateapplication.cpp:2832]
UE4Editor_Slate!FSlateApplication::RoutePointerDownEvent() [slateapplication.cpp:5199]
UE4Editor_Slate!FSlateApplication::ProcessMouseButtonDownEvent() [slateapplication.cpp:5113]
UE4Editor_Slate!FSlateApplication::OnMouseDown() [slateapplication.cpp:5031]
UE4Editor_ApplicationCore!FWindowsApplication::ProcessDeferredMessage() [windowsapplication.cpp:1733]
UE4Editor_ApplicationCore!FWindowsApplication::DeferMessage() [windowsapplication.cpp:2171]
UE4Editor_ApplicationCore!FWindowsApplication::ProcessMessage() [windowsapplication.cpp:888]
UE4Editor_ApplicationCore!FWindowsApplication::AppWndProc() [windowsapplication.cpp:725]
user32!UserCallWinProcCheckWow()
user32!DispatchMessageWorker()
UE4Editor_ApplicationCore!FWindowsPlatformApplicationMisc::PumpMessages() [windowsplatformapplicationmisc.cpp:129]
UE4Editor!FEngineLoop::Tick() [launchengineloop.cpp:3220]
UE4Editor!GuardedMain() [launch.cpp:166]
UE4Editor!GuardedMainWrapper() [launchwindows.cpp:134]
UE4Editor!WinMain() [launchwindows.cpp:210]
UE4Editor!__scrt_common_main_seh() [exe_common.inl:253]
kernel32!BaseThreadInitThunk()
ntdll!RtlUserThreadStart()