First-chance exception at 0x000007fedd4ee57e (TKSTEPBase.dll) in Kx.exe: 0xC0000005: Access violation reading location 0xffffffffffffffff. First-chance exception at 0x000007fefe20940d in Kx.exe: Microsoft C++ exception: [rethrow] at memory location 0x00000000.. First-chance exception at 0x000007fefe20940d in Kx.exe: Microsoft C++ exception: [rethrow] at memory location 0x00000000.. Unhandled exception at 0x000007fedd4ee57e (TKSTEPBase.dll) in Kx.exe: 0xC0000005: Access violation reading location 0xffffffffffffffff. > TKSTEPBase.dll!StepShape_OrientedEdge::EdgeElement() Line 44 + 0xa bytes C++ TKSTEP.dll!StepToTopoDS_TranslateEdgeLoop::Init(const Handle_StepShape_FaceBound & FaceBound, const TopoDS_Face & Face, const Handle_Geom_Surface & GeomSurf, const Handle_StepGeom_Surface & StepSurf, const unsigned int sameSense, StepToTopoDS_Tool & aTool, StepToTopoDS_NMTool & NMTool) Line 285 + 0x25 bytes C++ TKSTEP.dll!StepToTopoDS_TranslateFace::Init(const Handle_StepShape_FaceSurface & FS, StepToTopoDS_Tool & aTool, StepToTopoDS_NMTool & NMTool) Line 311 C++ TKSTEP.dll!StepToTopoDS_TranslateShell::Init(const Handle_StepShape_ConnectedFaceSet & CFS, StepToTopoDS_Tool & aTool, StepToTopoDS_NMTool & NMTool) Line 93 C++ TKSTEP.dll!StepToTopoDS_Builder::Init(const Handle_StepShape_ManifoldSolidBrep & aManifoldSolid, const Handle_Transfer_TransientProcess & TP) Line 201 C++ TKSTEP.dll!STEPControl_ActorRead::TransferEntity(const Handle_StepGeom_GeometricRepresentationItem & start, const Handle_Transfer_TransientProcess & TP, const unsigned int isManifold) Line 1222 + 0x4a bytes C++ TKSTEP.dll!STEPControl_ActorRead::TransferShape(const Handle_Standard_Transient & start, const Handle_Transfer_TransientProcess & TP, const unsigned int isManifold) Line 1492 + 0x30 bytes C++ TKSTEP.dll!STEPControl_ActorRead::TransferEntity(const Handle_StepShape_ShapeRepresentation & sr, const Handle_Transfer_TransientProcess & TP, unsigned int & isBound) Line 810 + 0x30 bytes C++ TKSTEP.dll!STEPControl_ActorRead::TransferEntity(const Handle_StepRepr_ShapeRepresentationRelationship & und, const Handle_Transfer_TransientProcess & TP, const int nbrep) Line 1013 + 0x62 bytes C++ TKSTEP.dll!STEPControl_ActorRead::TransferEntity(const Handle_StepBasic_ProductDefinition & PD, const Handle_Transfer_TransientProcess & TP) Line 621 + 0x30 bytes C++ TKSTEP.dll!STEPControl_ActorRead::TransferEntity(const Handle_StepRepr_NextAssemblyUsageOccurrence & NAUO, const Handle_Transfer_TransientProcess & TP) Line 710 + 0x58 bytes C++ TKSTEP.dll!STEPControl_ActorRead::TransferEntity(const Handle_StepBasic_ProductDefinition & PD, const Handle_Transfer_TransientProcess & TP) Line 542 + 0x51 bytes C++ TKSTEP.dll!STEPControl_ActorRead::TransferEntity(const Handle_StepRepr_NextAssemblyUsageOccurrence & NAUO, const Handle_Transfer_TransientProcess & TP) Line 710 + 0x58 bytes C++ TKSTEP.dll!STEPControl_ActorRead::TransferEntity(const Handle_StepBasic_ProductDefinition & PD, const Handle_Transfer_TransientProcess & TP) Line 542 + 0x51 bytes C++ TKSTEP.dll!STEPControl_ActorRead::TransferEntity(const Handle_StepRepr_NextAssemblyUsageOccurrence & NAUO, const Handle_Transfer_TransientProcess & TP) Line 710 + 0x58 bytes C++ TKSTEP.dll!STEPControl_ActorRead::TransferEntity(const Handle_StepBasic_ProductDefinition & PD, const Handle_Transfer_TransientProcess & TP) Line 542 + 0x51 bytes C++ TKSTEP.dll!STEPControl_ActorRead::TransferShape(const Handle_Standard_Transient & start, const Handle_Transfer_TransientProcess & TP, const unsigned int isManifold) Line 1453 + 0x25 bytes C++ TKSTEP.dll!STEPControl_ActorRead::Transfer(const Handle_Standard_Transient & start, const Handle_Transfer_TransientProcess & TP) Line 303 + 0x2d bytes C++ TKXSBase.dll!Transfer_ActorOfTransientProcess::Transferring(const Handle_Standard_Transient & ent, const Handle_Transfer_ProcessForTransient & TP) Line 31 + 0x3d bytes C++ TKXSBase.dll!Transfer_ProcessForTransient::TransferProduct(const Handle_Standard_Transient & start) Line 1162 + 0x7b bytes C++ TKXSBase.dll!Transfer_ProcessForTransient::Transferring(const Handle_Standard_Transient & start) Line 1069 + 0x1a bytes C++ TKXSBase.dll!Transfer_ProcessForTransient::Transfer(const Handle_Standard_Transient & start) Line 1191 + 0x14 bytes C++ TKXSBase.dll!Transfer_TransferOutput::Transfer(const Handle_Standard_Transient & obj) Line 73 C++ TKXSBase.dll!XSControl_TransferReader::TransferOne(const Handle_Standard_Transient & ent, const unsigned int rec) Line 903 C++ TKXSBase.dll!XSControl_Reader::TransferEntity(const Handle_Standard_Transient & start) Line 242 + 0x22 bytes C++ TKXSBase.dll!XSControl_Reader::TransferOneRoot(const int num) Line 216 + 0x32 bytes C++ TKXDESTEP.dll!STEPCAFControl_Reader::Transfer(STEPControl_Reader & reader, const int nroot, Handle_TDocStd_Document & doc, TDF_LabelSequence & Lseq, const unsigned int asOne) Line 429 + 0x2f bytes C++ TKXDESTEP.dll!STEPCAFControl_Reader::Transfer(Handle_TDocStd_Document & doc) Line 311 + 0x32 bytes C++