How do i fix Fatal error: [File:Unknown] [Line: 198] Unreal Engine is exiting due to D3D device being lost. (Error: 0x887A0006 - 'HUNG')?

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Assertion failed: [File:Unknown] [Line: 198] Unreal Engine is exiting due to D3D device being lost. (Error: 0x887A0006 - ‘HUNG’)

FortniteClient_Win64_Shipping
FortniteClient_Win64_Shipping
FortniteClient_Win64_Shipping
FortniteClient_Win64_Shipping
FortniteClient_Win64_Shipping
FortniteClient_Win64_Shipping
FortniteClient_Win64_Shipping
FortniteClient_Win64_Shipping
kernel32
ntdll

I have this problem, and I have a GTX 1070