step 1 : have those mods installed:

Modloader: https://www.mixmods.com.br/2018/01/modloader/
Vehfuncs: https://www.mixmods.com.br/2022/02/sa-vehfuncs/

step 2: take the "Herbie" folder and place it inside the "Modloader" folder

step 3: enjoy!!!