Fatal Low Level error - missing World Grid Material

My Crash Dump file

LowLevelFatalError [File:C:\SVN_Ark\Engine\Source\Runtime\Engine\Private\Materials\MaterialShared.cpp] [Line: 1488]
Failed to find shader map for default material WorldGridMaterial! Please make sure cooking was successful.

VERSION: 236.5
KERNELBASE.dll!UnknownFunction (0x00007fff42fc1f28) + 0 bytes [UnknownFile:0]
ShooterGame.exe!UnknownFunction (0x00007ff686affe56) + 0 bytes [UnknownFile:0]
ShooterGame.exe!UnknownFunction (0x00007ff68772f412) + 0 bytes [UnknownFile:0]
ShooterGame.exe!UnknownFunction (0x00007ff687720045) + 0 bytes [UnknownFile:0]
ShooterGame.exe!UnknownFunction (0x00007ff68771f82e) + 0 bytes [UnknownFile:0]
ShooterGame.exe!UnknownFunction (0x00007ff687721812) + 0 bytes [UnknownFile:0]
ShooterGame.exe!UnknownFunction (0x00007ff686be50ca) + 0 bytes [UnknownFile:0]
ShooterGame.exe!UnknownFunction (0x00007ff686be49f4) + 0 bytes [UnknownFile:0]
ShooterGame.exe!UnknownFunction (0x00007ff687569938) + 0 bytes [UnknownFile:0]
ShooterGame.exe!UnknownFunction (0x00007ff6875653e2) + 0 bytes [UnknownFile:0]
ShooterGame.exe!UnknownFunction (0x00007ff687566090) + 0 bytes [UnknownFile:0]
ShooterGame.exe!UnknownFunction (0x00007ff6872cdcef) + 0 bytes [UnknownFile:0]
ShooterGame.exe!UnknownFunction (0x00007ff686399a69) + 0 bytes [UnknownFile:0]
ShooterGame.exe!UnknownFunction (0x00007ff68639409c) + 0 bytes [UnknownFile:0]
ShooterGame.exe!UnknownFunction (0x00007ff68639af4a) + 0 bytes [UnknownFile:0]
ShooterGame.exe!UnknownFunction (0x00007ff68639b078) + 0 bytes [UnknownFile:0]
ShooterGame.exe!UnknownFunction (0x00007ff688441061) + 0 bytes [UnknownFile:0]
KERNEL32.DLL!UnknownFunction (0x00007fff45218102) + 0 bytes [UnknownFile:0]
ntdll.dll!UnknownFunction (0x00007fff4660c5b4) + 0 bytes [UnknownFile:0]
ntdll.dll!UnknownFunction (0x00007fff4660c5b4) + 0 bytes [UnknownFile:0]

It says its referencing this ::C:\SVN_Ark\Engine\Source\Runtime\Engine\Private\Materials\MaterialShared.cpp but there is no path on my computer that goes here at all.