Switching to Hydra (GL) viewport crashes Maya in refactoring_sandbox branch about maya-usd HOT 4 CLOSED

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#  VP2_RENDER_DELEGATE_PROXY is overridden to 'true'.  Default is 'false'.  #
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Begin attempted read of a fragment graph XML file.
Attempting to read fragment XML code from: d:/dev/usd/maya-usd-build/install/RelWithDebInfo/plugin/pxr/maya/plugin/pxrUsdPreviewSurface/resources/usdPreviewSurface.xml
Resolved file path is: d:\dev\usd\maya-usd-build\install\RelWithDebInfo\plugin\pxr\maya\plugin\pxrUsdPreviewSurface\resources\usdPreviewSurface.xml
Attempting to read fragment XML code from a buffer of length 9192
Errors loading XML:
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OGS WARNING: The input parameter of a connection 'vectorInput' from fragment 'mayaShaderGeom_Float4GetX' was not found.
OGS WARNING: The input parameter of a connection 'vectorInput' from fragment 'mayaShaderGeom_Float4GetY' was not found.
OGS WARNING: The input parameter of a connection 'vectorInput' from fragment 'mayaShaderGeom_Float4GetZ' was not found.
OGS WARNING: The input parameter of a connection 'vectorInput' from fragment 'mayaShaderGeom_Float4GetW' was not found.
OGS WARNING: The output parameter of a connection 'floatOutput' from fragment 'mayaShaderGeom_Float4GetX' was not found.
OGS WARNING: The output parameter of a connection 'floatOutput' from fragment 'mayaShaderGeom_Float4GetY' was not found.
OGS WARNING: The output parameter of a connection 'floatOutput' from fragment 'mayaShaderGeom_Float4GetZ' was not found.
OGS WARNING: The output parameter of a connection 'floatOutput' from fragment 'mayaShaderGeom_Float4GetW' was not found.
-------------------------------------------------------------------------------
End attempted read of fragment XML.
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Stack trace:
  mtoh.mll!pxrInternal_v0_19__pxrReserved__::MtohRenderOverride::_SelectionChanged Line 694 
  mtoh.mll!pxrInternal_v0_19__pxrReserved__::MtohRenderOverride::_InitHydraResources Line 627 
  mtoh.mll!pxrInternal_v0_19__pxrReserved__::MtohRenderOverride::Render Line 462 
  mtoh.mll!pxrInternal_v0_19__pxrReserved__::HdMayaRender::execute Line 84 
  OpenMayaRender.dll!Autodesk::Maya::OpenMaya20190000::MHWRender::MRenderer::initialize
  OGSMayaBridge.dll!OGSMayaRenderer::performUserOperation
  OGSMayaBridge.dll!OGSMayaRenderer::performOverrideRenderGraph
  OGSMayaBridge.dll!OGSMayaBaseRenderer::performOverrideRender
  OGSMayaBridge.dll!OGSGeometryEvaluationOverride::~OGSGeometryEvaluationOverride
  OGSMayaBridge.dll!OGSGeometryEvaluationOverride::~OGSGeometryEvaluationOverride
  DataModel.dll!TidleRefreshCmd::refreshOGSRender
  DataModel.dll!TidleRefreshCmd::refresh
  DataModel.dll!TidleRefreshCmd::doIt
  ExtensionLayer.dll!TeventHandler::doIdles
  ExtensionLayer.dll!TidleLicenseAction::doIdleAction
  Qt5Core.dll!QObject::event
  Qt5Widgets.dll!QApplicationPrivate::notify_helper
  Qt5Widgets.dll!QApplication::notify
  ExtensionLayer.dll!TwindowManager::windowPreferencesAreEnabled
  Qt5Core.dll!QCoreApplication::notifyInternal2
  Qt5Core.dll!QEventDispatcherWin32::event
  Qt5Widgets.dll!QApplicationPrivate::notify_helper
  Qt5Widgets.dll!QApplication::notify
  ExtensionLayer.dll!TwindowManager::windowPreferencesAreEnabled
  Qt5Core.dll!QCoreApplication::notifyInternal2
  Qt5Core.dll!QCoreApplicationPrivate::sendPostedEvents
  qwindows.dll!qt_plugin_query_metadata
  Qt5Core.dll!QEventDispatcherWin32::processEvents
  USER32.dll!CallWindowProcW
  USER32.dll!DispatchMessageW
  Qt5Core.dll!QEventDispatcherWin32::processEvents
  qwindows.dll!qt_plugin_query_metadata
  Qt5Core.dll!QEventLoop::exec
  Qt5Core.dll!QCoreApplication::exec
  ExtensionLayer.dll!Tapplication::start
  maya.exe!<7FF6081C77A8>
  maya.exe!TiteratorWrapperFwd<TscenePartitions::ConstIteratorDescriptor,TiteratorWrapper<TscenePartitions::ConstIteratorDescriptor> >::operator++
  maya.exe!TiteratorWrapperFwd<TscenePartitions::ConstIteratorDescriptor,TiteratorWrapper<TscenePartitions::ConstIteratorDescriptor> >::operator++
  KERNEL32.DLL!BaseThreadInitThunk
  ntdll.dll!RtlUserThreadStart

Coding Error: in _Load at line 248 of D:\dev\usd\USD\pxr\base\lib\plug\plugin.cpp -- Load of 'd:/dev/usd/maya-usd-build/install/RelWithDebInfo/lib/usd/hdMaya/resources/hdMaya.dll' for 'hdMaya' failed: The specified module could not be found.