Importing a New Substance Preset will crash the engine

With the Substance plugin installed and when you try to import new preset data into the Substance Graph Instance, the engine will crash

1. Open a Blank Project with NO Starter Content
2. Import the attached Barrel.FBX file and the Barrel_Substance.sbspar files with default settings
3. Once Imported, open the Substance Graph Instance
4. In the SGI, Click Import preset
5. Select the other attached file, sub-barrell_02.sbsprs

RESULTS: CRASH

EXPECTED: New Presets are updated

Fatal error!

Unhandled Exception: EXCEPTION_ACCESS_VIOLATION reading address 0x00000008

UE4Editor-SubstanceCore.dll!UnknownFunction (0x000007fec3033384) + 0 bytes [UnknownFile:0]
UE4Editor-SubstanceCore.dll!UnknownFunction (0x000007fec2ffdc6c) + 0 bytes [UnknownFile:0]
UE4Editor-SubstanceCore.dll!UnknownFunction (0x000007fec2ffc8b8) + 0 bytes [UnknownFile:0]
UE4Editor-SubstanceEditor.dll!UnknownFunction (0x000007fec1a7d240) + 0 bytes [UnknownFile:0]
UE4Editor-SubstanceEditor.dll!UnknownFunction (0x000007fec1a76141) + 0 bytes [UnknownFile:0]
UE4Editor-SubstanceEditor.dll!UnknownFunction (0x000007fec1a76356) + 0 bytes [UnknownFile:0]
UE4Editor-Slate.dll!FUICommandList::ExecuteAction() (0x000007fed4366066) + 60 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.7\engine\source\runtime\slate\private\framework\commands\uicommandlist.cpp:73]
UE4Editor-Slate.dll!SToolBarButtonBlock::OnClicked() (0x000007fed445885d) + 0 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.7\engine\source\runtime\slate\private\framework\multibox\stoolbarbuttonblock.cpp:296]
UE4Editor-Slate.dll!TMemberFunctionCaller<SToolBarButtonBlock,FReply (__cdecl SToolBarButtonBlock::*)(void) __ptr64>::operator()<>() (0x000007fed43d7ee7) + 16 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.7\engine\source\runtime\core\public\delegates\delegateinstanceinterface_variadics.h:161]
UE4Editor-Slate.dll!TTupleImpl<TIntegerSequence<> >::ApplyAfter_ExplicitReturnType<FReply,TMemberFunctionCaller<SToolBarButtonBlock,FReply (__cdecl SToolBarButtonBlock::*)(void) __ptr64> >() (0x000007fed43d9139) + 19 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.7\engine\source\runtime\core\public\delegates\tuple.h:113]
UE4Editor-Slate.dll!TBaseSPMethodDelegateInstance<0,SToolBarButtonBlock,0,FReply __cdecl(void)>::Execute() (0x000007fed443efd9) + 36 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.7\engine\source\runtime\core\public\delegates\delegateinstancesimpl_variadics.inl:282]
UE4Editor-Slate.dll!TBaseDelegate<FReply>::Execute() (0x000007fed44f153a) + 6 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.7\engine\source\runtime\core\public\delegates\delegatesignatureimpl_variadics.inl:439]
UE4Editor-Slate.dll!SButton::OnMouseButtonUp() (0x000007fed451fd63) + 17 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.7\engine\source\runtime\slate\private\widgets\input\sbutton.cpp:228]
UE4Editor-Slate.dll!<lambda_de96dc3471181973108233c6db1f9843>::operator()() (0x000007fed433dd7c) + 24 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.7\engine\source\runtime\slate\private\framework\application\slateapplication.cpp:3985]
UE4Editor-Slate.dll!FEventRouter::Route<FReply,FEventRouter::FToLeafmostPolicy,FPointerEvent,<lambda_de96dc3471181973108233c6db1f9843> >() (0x000007fed42f8407) + 21 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.7\engine\source\runtime\slate\private\framework\application\slateapplication.cpp:202]
UE4Editor-Slate.dll!FSlateApplication::ProcessMouseButtonUpEvent() (0x000007fed43a4f29) + 75 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.7\engine\source\runtime\slate\private\framework\application\slateapplication.cpp:3988]
UE4Editor-Slate.dll!FSlateApplication::OnMouseUp() (0x000007fed4394926) + 16 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.7\engine\source\runtime\slate\private\framework\application\slateapplication.cpp:3949]
UE4Editor-Core.dll!FWindowsApplication::ProcessDeferredMessage() (0x000007feceb23975) + 12 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.7\engine\source\runtime\core\private\windows\windowsapplication.cpp:1373]
UE4Editor-Core.dll!FWindowsApplication::DeferMessage() (0x000007feceb15d2e) + 74 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.7\engine\source\runtime\core\private\windows\windowsapplication.cpp:1669]
UE4Editor-Core.dll!FWindowsApplication::ProcessMessage() (0x000007feceb24d50) + 41 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.7\engine\source\runtime\core\private\windows\windowsapplication.cpp:742]
UE4Editor-Core.dll!FWindowsApplication::AppWndProc() (0x000007feceb13192) + 0 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.7\engine\source\runtime\core\private\windows\windowsapplication.cpp:604]
USER32.dll!UnknownFunction (0x0000000076d49bd1) + 0 bytes [UnknownFile:0]
USER32.dll!UnknownFunction (0x0000000076d498da) + 0 bytes [UnknownFile:0]
UE4Editor-Core.dll!FWindowsPlatformMisc::PumpMessages() (0x000007fecebc3ec6) + 48 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.7\engine\source\runtime\core\private\windows\windowsplatformmisc.cpp:774]
UE4Editor.exe!FEngineLoop::Tick() (0x000000013fd200a9) + 8 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.7\engine\source\runtime\launch\private\launchengineloop.cpp:2233]
UE4Editor.exe!GuardedMain() (0x000000013fd1267c) + 0 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.7\engine\source\runtime\launch\private\launch.cpp:142]
UE4Editor.exe!GuardedMainWrapper() (0x000000013fd126ea) + 5 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.7\engine\source\runtime\launch\private\windows\launchwindows.cpp:126]
UE4Editor.exe!WinMain() (0x000000013fd22219) + 17 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.7\engine\source\runtime\launch\private\windows\launchwindows.cpp:202]
UE4Editor.exe!__tmainCRTStartup() (0x000000013fd23159) + 21 bytes [f:\dd\vctools\crt\crtw32\dllstuff\crtexe.c:618]
kernel32.dll!UnknownFunction (0x0000000076c259ed) + 0 bytes [UnknownFile:0]
ntdll.dll!UnknownFunction (0x0000000076e5c541) + 0 bytes [UnknownFile:0]
ntdll.dll!UnknownFunction (0x0000000076e5c541) + 0 bytes [UnknownFile:0]