Sub2ercanhead

have you downloaded the recomended file or just the newest one

i made an server for me and my friends to play but there is one prob its not the sky factory 4 map its like a normal generated wrold how do i chage that and i cant place things the mods do not work when i try to cheat them in get there is nonuch item as mod:itemname (it dous not say that but like the bod name and the item name)