Mesh generation in HDRP

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1

I am making a mesh generator, I got it but I wanted to see how it would look in HDRP, I noticed that it is not displayed there at all clearly, and on a regular cube the material looks normal, but on the generated one it is not clear at all.

Tell me what the problem is and how to correctly generate the grid so that it is displayed correctly everywhere?

in the video i show how it looks in URP and then in HDRP

also on the screenshot I show how the same material looks on the generated mesh and on the standard cube

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2

It turned out that the problem was in the UV, in the URP there is simply a triplanar on the shader, in general I also installed a triplanar in the HDRP

but then other problems appeared, firstly, the texture shimmers at the transition angles, and secondly, why is it always light? I just don’t have light anywhere except for the torch.
how can I fix this?