Unhandled Exception: EXCEPTION_ACCESS_VIOLATION reading address 0xffffffffffffffff
Mordhau_Win64_Shipping!FSlateRHIRenderingPolicy::DrawElements() [D:\BuildAgent01\work\c3c40d1ef4189e88\UE4\Engine\Source\Runtime\SlateRHIRenderer\Private\SlateRHIRenderingPolicy.cpp:786]
Mordhau_Win64_Shipping!FSlateRHIRenderer::DrawWindow_RenderThread() [D:\BuildAgent01\work\c3c40d1ef4189e88\UE4\Engine\Source\Runtime\SlateRHIRenderer\Private\SlateRHIRenderer.cpp:895]
Mordhau_Win64_Shipping!TGraphTask<TEnqueueUniqueRenderCommandType<FSlateRHIRenderer::DrawWindows_Private'::39'::SlateDrawWindowsCommandName,<lambda_2a520d21f313b967c36ce9bb5e5500e4> > >::ExecuteTask() [D:\BuildAgent01\work\c3c40d1ef4189e88\UE4\Engine\Source\Runtime\Core\Public\Async\TaskGraphInterfaces.h:891]
Mordhau_Win64_Shipping!FNamedTaskThread::ProcessTasksUntilQuit() [D:\BuildAgent01\work\c3c40d1ef4189e88\UE4\Engine\Source\Runtime\Core\Private\Async\TaskGraph.cpp:600]
Mordhau_Win64_Shipping!RenderingThreadMain() [D:\BuildAgent01\work\c3c40d1ef4189e88\UE4\Engine\Source\Runtime\RenderCore\Private\RenderingThread.cpp:373]
Mordhau_Win64_Shipping!FRenderingThread::Run() [D:\BuildAgent01\work\c3c40d1ef4189e88\UE4\Engine\Source\Runtime\RenderCore\Private\RenderingThread.cpp:509]
Mordhau_Win64_Shipping!FRunnableThreadWin::Run() [D:\BuildAgent01\work\c3c40d1ef4189e88\UE4\Engine\Source\Runtime\Core\Private\Windows\WindowsRunnableThread.cpp:86]
Not sure what's going on, this is the crash log.