Bug drop item ,ask experts

[emanuel 18]

Hello guys,i have some bug i think..or it's on my source ..?

I use item_proto.txt

So..when i change in item_proto.txt a name from a item,that line : ITEM_NAME line, item dissapear from stone drop,when i change name of that item , that item dissapear from stone drop,i check in source,mob_drop_item.txt,..sometimes items put themselves on stones drop..because of ITEM_NAME(K)..someone know whatt is the problem ?

[emanuel 18]

up