Ark-Dev-Kit Crashes with Fatal Error

Fatal error: [File:H:\SVN_Ark\Engine\Source\Runtime\Engine\Private\GlobalShader.cpp] [Line: 635]
Failed to compile global shader TGenerateClutterCS

VERSION: 0.0
KERNELBASE.dll!UnknownFunction (0x00007ffa6a469d98) + 0 bytes [UnknownFile:0]
UE4Editor-Core.dll!UnknownFunction (0x00007ffa407f8b5d) + 0 bytes [UnknownFile:0]
UE4Editor-Core.dll!UnknownFunction (0x00007ffa406ddb1f) + 0 bytes [UnknownFile:0]
UE4Editor-Engine.dll!UnknownFunction (0x00007ffa2fcb6faf) + 0 bytes [UnknownFile:0]
UE4Editor-Engine.dll!UnknownFunction (0x00007ffa30810cb1) + 0 bytes [UnknownFile:0]
UE4Editor-Engine.dll!UnknownFunction (0x00007ffa3080f865) + 0 bytes [UnknownFile:0]
UE4Editor-UnrealEd.dll!UnknownFunction (0x00007ffa2e77cd04) + 0 bytes [UnknownFile:0]
UE4Editor-UnrealEd.dll!UnknownFunction (0x00007ffa2e76356d) + 0 bytes [UnknownFile:0]
UE4Editor-UnrealEd.dll!UnknownFunction (0x00007ffa2e74ac03) + 0 bytes [UnknownFile:0]
UE4Editor-UnrealEd.dll!UnknownFunction (0x00007ffa2ea2247d) + 0 bytes [UnknownFile:0]
UE4Editor-UnrealEd.dll!UnknownFunction (0x00007ffa2e77469a) + 0 bytes [UnknownFile:0]
UE4Editor-UnrealEd.dll!UnknownFunction (0x00007ffa2e77437b) + 0 bytes [UnknownFile:0]
UE4Editor-UnrealEd.dll!UnknownFunction (0x00007ffa2ea89613) + 0 bytes [UnknownFile:0]
UE4Editor-UnrealEd.dll!UnknownFunction (0x00007ffa2ea1dde0) + 0 bytes [UnknownFile:0]
UE4Editor.exe!UnknownFunction (0x00007ff6d62cf80d) + 0 bytes [UnknownFile:0]
UE4Editor.exe!UnknownFunction (0x00007ff6d62cf93a) + 0 bytes [UnknownFile:0]
UE4Editor.exe!UnknownFunction (0x00007ff6d62dc0e0) + 0 bytes [UnknownFile:0]
UE4Editor.exe!UnknownFunction (0x00007ff6d62dd009) + 0 bytes [UnknownFile:0]
KERNEL32.DLL!UnknownFunction (0x00007ffa6da62774) + 0 bytes [UnknownFile:0]
ntdll.dll!UnknownFunction (0x00007ffa6dc80d51) + 0 bytes [UnknownFile:0]
ntdll.dll!UnknownFunction (0x00007ffa6dc80d51) + 0 bytes [UnknownFile:0]