Another crash, after creating a pin, duct, assembly, core, and clicking in the render window, I think:
smtkPVServerExt.dll!std::_Copy_memmove<double const *,double *>(const double * _First, const double * _Last, double * _Dest) Line 3313 C++
smtkPVServerExt.dll!std::_Uninitialized_copy<double const *,std::allocator<double>>(const double * const _First, const double * const _Last, double * _Dest, std::allocator<double> & _Al) Line 1528 C++
[Inline Frame] smtkPVServerExt.dll!std::vector<double,std::allocator<double>>::_Ucopy(const double *) Line 1591 C++
smtkPVServerExt.dll!std::vector<double,std::allocator<double>>::_Insert_range<double const *>(std::_Vector_const_iterator<std::_Vector_val<std::_Simple_types<double>>> _Where, const double * _First, const double * _Last, std::forward_iterator_tag __formal) Line 941 C++
[Inline Frame] smtkPVServerExt.dll!std::vector<double,std::allocator<double>>::insert(std::_Vector_const_iterator<std::_Vector_val<std::_Simple_types<double>>>) Line 1030 C++
> smtkPVServerExt.dll!smtk::model::Instance::clonePlacements<__int64 *>(__int64 * begin, __int64 * end, bool relate) Line 97 C++
smtkPVServerExt.dll!smtk::view::VTKModelInstancePlacementSelection::temporaryInstance(const std::shared_ptr<smtk::model::Entity> & sourceInstance, vtkIdTypeArray * sourcePlacements) Line 73 C++
smtkPVServerExt.dll!smtk::view::VTKModelInstancePlacementSelection::transcribePlacementSelection(std::shared_ptr<smtk::attribute::Attribute> & result) Line 189 C++
smtkPVServerExt.dll!smtk::view::VTKModelInstancePlacementSelection::operateInternal() Line 223 C++
smtkCore.dll!smtk::operation::Operation::operate() Line 202 C++
smtkPQComponentsPlugin.dll!vtkSMTKEncodeSelection::ProcessResource(pqSMTKWrapper * wrapper, const std::shared_ptr<smtk::resource::Resource> & resource, const std::shared_ptr<smtk::view::Selection> & smtkSelection, vtkSMTKResourceRepresentation * resourceRep, vtkSelection * rawSelection, vtkSMRenderViewProxy * __formal, int modifier, bool selectBlocks) Line 197 C++
smtkPQComponentsPlugin.dll!vtkSMTKEncodeSelection::ProcessRawSelection(vtkSelection * rawSelection, vtkSMRenderViewProxy * viewProxy, int modifier, bool selectBlocks) Line 141 C++
smtkPQComponentsPlugin.dll!vtkSMTKEncodeSelection::ProcessSelection(vtkSelection * rawSelection, vtkSMRenderViewProxy * viewProxy, bool multipleSelectionsAllowed, vtkCollection * selectedRepresentations, vtkCollection * selectionSources, int modifier, bool selectBlocks) Line 57 C++
vtkRemotingViews-pv5.8.dll!vtkSMRenderViewProxy::FetchLastSelection(bool multiple_selections, vtkCollection * selectedRepresentations, vtkCollection * selectionSources, int modifier, bool selectBlocks) Line 877 C++
vtkRemotingViews-pv5.8.dll!vtkSMRenderViewProxy::SelectInternal(const vtkClientServerStream & csstream, vtkCollection * selectedRepresentations, vtkCollection * selectionSources, bool multiple_selections, int modifier, bool selectBlocks) Line 836 C++
vtkRemotingViews-pv5.8.dll!vtkSMRenderViewProxy::SelectSurfaceCells(const int * region, vtkCollection * selectedRepresentations, vtkCollection * selectionSources, bool multiple_selections, int modifier, bool select_blocks, const char * arrayName) Line 850 C++
vtkRemotingViews-pv5.8.dll!vtkSMRenderViewProxy::Pick(int x, int y) Line 655 C++
pqCore-pv5.8.dll!pqRenderView::pick(int * pos) Line 577 C++
pqApplicationComponents-pv5.8.dll!pqObjectPickingBehavior::eventFilter(QObject * caller, QEvent * e) Line 109 C++
Qt5Core.dll!QCoreApplicationPrivate::sendThroughObjectEventFilters(QObject * receiver, QEvent * event) Line 1214 C++