SKirpt Yardım nerede hata var ?

on pickup of nether wart:
    if world is "arsalar":
        remove 64 nether wart player's inventory

on pickup of nether wart:
    if world is "arsalar":
        remove 64 nether wart from player

remove 64 nether wart from player gene hata var
belki tablarda hat a olabilir