Unreal is crashing

hey guys, unreal is crushing when i import a datasmith file…
Beside that, unreal crushes for me everytime i trying to bake lights…

that’s the log:

LoginId:db4f2d3a4b29eca7448728a1929430f4
EpicAccountId:ce32314363144e75a6b610f62440be42

Fatal error: [File:D:/Build/++UE4/Sync/Engine/Source/Runtime/D3D12RHI/Private/D3D12Pipelinestate.cpp] [Line: 302] Waiting for PSO creation failed to complete within the timeout interval (2000.000 ms).

UE4Editor_D3D12RHI
UE4Editor_D3D12RHI
UE4Editor_RHI
UE4Editor_RHI
UE4Editor_RHI
UE4Editor_RHI
UE4Editor_RHI
UE4Editor_RHI
UE4Editor_Core
UE4Editor_Core
UE4Editor_Core
UE4Editor_Core
UE4Editor_Core
kernel32
ntdll