Textures stretched on Tree Creator's trees

HELP ROOM HAS NO MOD LOL

Hello guys, lil problem here. I was trying to put lief into my project but trees dont follow as tutorial says. They do get the textures I apply onto them, but after a certain height it stretches along. Here is as it looks. https://ibb.co/bVOS8F Thanks! :D

(also, im using grimm night skybox(just google "night skybox"), and its buggy, u can see it on the screenshot- plz test it urself if its not glitchy at you plz help!)