render pipeline makes grass transparent/invisible (Lightweight RP)

Hi, has the title says as soon as i add render pipeline to my project it makes grass transparent/invisible. i tried it in a new project as well and it just went completely invisible . i don’t know if its shader related or not but pls i need help to fix this.

here is a pic to show, the thing that looks alike shadows on the mountain are the grass.

changed to High RP fixed it for some reason,