[2016.11.19-01.48.18:008][520]LogD3D11RHI:Error: Result failed
at D:\Build++UE4+Release-
it crashes engine when changing material, or creating landscape layers
4.14+Compile\Sync\Engine\Source\Runtime\Windows\D3D11RHI\Private\D3D11Query.cpp:134
with error DXGI_ERROR_DEVICE_REMOVED DXGI_ERROR_DEVICE_HUNG