Unreal Crash when opening Level ___ : Assertion failed: NumPooled > 1 [File:d:\build\++ue4\sync\engine\source\runtime\d3d12rhi\private\D3D12Allocation.h] [Line: 991]

Development Getting Started & Setup
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hello, thanks for your answer.

you mean this?

I am on a w10 laptop with directx 12 already installed
and this Directx 2010 June goes only till w7

I realised that the problem comes with Directx 12 crashing:

[2019.07.03-21.35.12:761][145]LogD3D12RHI: Error: Driver crashed while creating texture: 1024x1024x192 DXGI_FORMAT_R16G16B16A16_FLOAT(0x0000000a) with 11 mips

If I change the default RHI to Directx 11, the project opens again
But this means I can not use raytracing

Any advise to be able to open the project again with directx 12 enabled?