What does this crash message thing mean

[File:D:\build++Fortnite\Sync\Engine\Source\Runtime\D3D12RHI\Private\D3D12Util.cpp] [Line: 881] CurrentQueue.Fence.D3DFence->GetCompletedValue() failed at D:\build++Fortnite\Sync\Engine\Source\Runtime\D3D12RHI\Private\D3D12Submission.cpp:939 with error DXGI_ERROR_DEVICE_REMOVED with Reason: DXGI_ERROR_DEVICE_HUNG

Thank you for your report! We would like to look into this further, would you be able to submit a bug report using the form available here: Fortnite Creative