Crash when entering the North

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Game mode: Private Testlive
Problem: Crash
Crash dump link: (if applicable - fill out the crash report and enter your email to get the link)

Fatal error:
[File:C:\UE4\CSAND\Engine\Source\Runtime\Windows|D#D11RHI\Private\D3D11Util.cpp] [Line: 181]
Unreal Engine is exiting due to D3D device being lost. (Erorr:0x887A0006 - ‘HUNG’)

Repro steps:

  1. Going anywhere north of The Spillway