How to set custom DepthStencil texture correctly?

Development Rendering
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1

For custom shaders, I want to create and set depth stencil buffer with c++.
There is my code:

void FDemoRender::RenderDemoInternal(ERHIFeatureLevel::Type RHIFeatureLevel, UTextureRenderTarget2D* RenderTarget)
{
	check(IsInRenderingThread());

	FRHICommandListImmediate& RHICmdList = GRHICommandList.GetImmediateCommandList(); 

	FTexture2DRHIRef RT_Texture = RenderTarget->GetRenderTargetResource()->GetRenderTargetTexture();

	FRHIRenderTargetView BackBufferView = FRHIRenderTargetView(RT_Texture, ERenderTargetLoadAction::EClear);

	FRHIResourceCreateInfo DepthStencilTexCreateInfo(FClearValueBinding(1.0f, 0));
	
	FTexture2DRHIRef DepthStencilTex = RHICmdList.CreateTexture2D(
		RenderTarget->SizeX, RenderTarget->SizeY, PF_DepthStencil, 1, 1, TexCreate_None, DepthStencilTexCreateInfo);

	FRHIDepthRenderTargetView DepthStencilView(DepthStencilTex, 
		ERenderTargetLoadAction::EClear, ERenderTargetStoreAction::ENoAction, 
		ERenderTargetLoadAction::EClear, ERenderTargetStoreAction::ENoAction);

	RHICmdList.SetRenderTargetsAndClear(FRHISetRenderTargetsInfo(1, &BackBufferView, DepthStencilView));

...
}

When I run my project on windows, the program stop at the breakpoint:
Source\Runtime\Windows\D3D11RHI\Private\D3D11Commands.cpp:791 ensure(CurrentDepthTexture);
the CurrentDepthTexture is null.

How to set custom DepthStencil texture correctly? Thank you.