ok im in the dm giude tryin to learn code and when i try to compile this code i have all the icons but it keeps saying this error when i try to compile the code it says error:mob/player:undifined var it says the same thing for turf to help please
world//deafult world parameters
mob = mob/player
turf = turf/player

mob/player
icon = 'player.dmi'


obj/flutz
name = "Super Duper Flutz"
icon = 'flutz.dmi'


turf/ground
icon = 'ground.dmi'