The UE4-ShooterGame Editor has crashed and will close
Ensure condition failed: Batch->Elements.IsValidIndex(BatchElementIndex) [File:F:\Projects\ARK\UE4\Engine\Source\Runtime\Engine\Private\Landscape\LandscapeRender.cpp] [Line: 1306]
Unhandled Exception: EXCEPTION_ACCESS_VIOLATION reading address 0x00000000
VERSION: 294.110
UE4Editor-UMG.dll!UnknownFunction (0x00007ff9c315962d) + 0 bytes [UnknownFile:0]
UE4Editor-UMG.dll!UnknownFunction (0x00007ff9c316df54) + 0 bytes [UnknownFile:0]
UE4Editor-ShooterGame.dll!TSparseArray<TSetElement<TPair<TSharedRef<SWidget,0>,FArrangedWidget> >,TSparseArrayAllocator<FDefaultAllocator,FDefaultBitArrayAllocator> >::Empty() (0x00007ff9bf9121c1) + 54 bytes [f:\projects\ark\ue4\engine\source\runtime\core\public\containers\sparsearray.h:218]
UE4Editor-ShooterGame.dll!TMapBase<TSharedRef<SWidget,0>,FArrangedWidget,0,FDefaultSetAllocator,TDefaultMapKeyFuncs<TSharedRef<SWidget,0>,FArrangedWidget,0> >::~TMapBase<TSharedRef<SWidget,0>,FArrangedWidget,0,FDefaultSetAllocator,TDefaultMapKeyFuncs<TSharedRef<SWidget,0>,FArrangedWidget,0> >() (0x00007ff9bf8e254d) + 0 bytes [UnknownFile:0]
UE4Editor-ShooterGame.dll!UPrimalUI::~UPrimalUI() (0x00007ff9bf8ec122) + 0 bytes [UnknownFile:0]
UE4Editor-ShooterGame.dll!UUI_Spawn::`vector deleting destructor’() (0x00007ff9bf904026) + 0 bytes [UnknownFile:0]
UE4Editor-CoreUObject.dll!UnknownFunction (0x00007ff9cdfbee91) + 0 bytes [UnknownFile:0]
UE4Editor-CoreUObject.dll!UnknownFunction (0x00007ff9ce082a87) + 0 bytes [UnknownFile:0]
UE4Editor-CoreUObject.dll!UnknownFunction (0x00007ff9cdf9342a) + 0 bytes [UnknownFile:0]
UE4Editor.exe!UnknownFunction (0x00007ff7faa6b2b1) + 0 bytes [UnknownFile:0]
UE4Editor.exe!UnknownFunction (0x00007ff7faa6b1a5) + 0 bytes [UnknownFile:0]
UE4Editor.exe!UnknownFunction (0x00007ff7faa6da42) + 0 bytes [UnknownFile:0]
UE4Editor.exe!UnknownFunction (0x00007ff7faa6fbc4) + 0 bytes [UnknownFile:0]
UE4Editor.exe!UnknownFunction (0x00007ff7faa6fbfa) + 0 bytes [UnknownFile:0]
UE4Editor.exe!UnknownFunction (0x00007ff7faa7ca90) + 0 bytes [UnknownFile:0]
UE4Editor.exe!UnknownFunction (0x00007ff7faa7d9c9) + 0 bytes [UnknownFile:0]
KERNEL32.DLL!UnknownFunction (0x00007ffa189c7974) + 0 bytes [UnknownFile:0]
ntdll.dll!UnknownFunction (0x00007ffa1999a271) + 0 bytes [UnknownFile:0]
ntdll.dll!UnknownFunction (0x00007ffa1999a271) + 0 bytes [UnknownFile:0]
OK
After quitting DevKit I get this crash report.