Why are shadows not working correctly in landscapes?

Pretty much everything is set to its default value.

I changed :

  • auto-exposure to be manual in my Postprocess volume (Unbound)
  • the landscape’s material (attached below).

The issue:

The material assigned to the landscape:

I face shadow issues every time I’m working with landscapes and sometimes smoothing the surface helps but not in this case.


if there's already a post discussing this issue feel free to link it