Problem in quest

[Mrkholyo]

quest kho begin
	state start begin
        when 2598.kill begin 
        pc.give_item2(50134, 1)
        end
    end
end

When I kill the Monster 2598

I do not get (50134)


But when I change the monster, for example, dog 101

Get two 50134 is not one

uppp