Weird texturing on background geometry So I made a few dunes using the landscape addon and for some reason, the textures at a certain point just change colour.

I tried adjusting light paths, does nothing. Changing around the texture does nothing as well.

Any help at all would be much appreciated
.blend file
You need to connect your Normal Map image texture through a Normal Map Node before connecting it to the Principled BSDF. Also, change the color space of your Normal Map image texture from sRGB to Non-Color: