Minetest error

--overrides the default swords to remove attack cooldown.
--Some code I might use later: on_secondary_use = function(itemstack, user)
local my_players = {}

minetest.override_item("default:sword_diamond", {
	description = "Diamond Sword",
	inventory_image = "default_tool_diamondsword.png",
	tool_capabilities = {
		full_punch_interval = 0.1,
		max_drop_level=1,
		groupcaps={
			snappy={times={[1]=1.90, [2]=0.90, [3]=0.30}, uses=40, maxlevel=3},
		},
		damage_groups = {fleshy=8},
	},
	sound = {breaks = "default_tool_breaks"},
	on_secondary_use = function(itemstack, clicker, user)
	minetest.chat_send_all(math.random())
	itemstack:take_item(); return ("default:sword_mese")
	end,
})

minetest.override_item("default:sword_mese", {
	description = "Mese Sword",
	inventory_image = "default_tool_mesesword.png",
	tool_capabilities = {
		full_punch_interval = 0.1,
		max_drop_level=1,
		groupcaps={
			snappy={times={[1]=2.0, [2]=1.00, [3]=0.35}, uses=30, maxlevel=3},
		},
		damage_groups = {fleshy=7},
	},
	sound = {breaks = "default_tool_breaks"},
	on_place = function(itemstack, placer, pointed_thing)
		my_players[placer:get_player_name()] = true
	end
minetest.register_globalstep(function(dtime)
	for name, what in pairs(my_players) do
		local player = minetest.get_player_by_name(name)
		if player then
			my_players[name] = false -- player left
		else
			if !player:get_player_control().RMB then
	minetest.chat_send_all(math.random())
				my_players[name] = false
			end
		end
	end
end)
})

minetest.override_item("default:sword_steel", {
	description = "Steel Sword",
	inventory_image = "default_tool_steelsword.png",
	tool_capabilities = {
		full_punch_interval = 0.1,
		max_drop_level=1,
		groupcaps={
			snappy={times={[1]=2.5, [2]=1.20, [3]=0.35}, uses=30, maxlevel=2},
		},
		damage_groups = {fleshy=6},
	},
	sound = {breaks = "default_tool_breaks"},
})

minetest.override_item("default:sword_bronze", {
	description = "Bronze Sword",
	inventory_image = "default_tool_bronzesword.png",
	tool_capabilities = {
		full_punch_interval = 0.1,
		max_drop_level=1,
		groupcaps={
			snappy={times={[1]=2.75, [2]=1.30, [3]=0.375}, uses=25, maxlevel=2},
		},
		damage_groups = {fleshy=6},
	},
	sound = {breaks = "default_tool_breaks"},
})

minetest.override_item("default:sword_stone", {
	description = "Stone Sword",
	inventory_image = "default_tool_stonesword.png",
	tool_capabilities = {
		full_punch_interval = 0.1,
		max_drop_level=0,
		groupcaps={
			snappy={times={[2]=1.4, [3]=0.40}, uses=20, maxlevel=1},
		},
		damage_groups = {fleshy=4},
	},
	sound = {breaks = "default_tool_breaks"},
})

minetest.override_item("default:sword_wood", {
	description = "Wooden Sword",
	inventory_image = "default_tool_woodsword.png",
	tool_capabilities = {
		full_punch_interval = 0.1,
		max_drop_level=0,
		groupcaps={
			snappy={times={[2]=1.6, [3]=0.40}, uses=10, maxlevel=1},
		},
		damage_groups = {fleshy=2},
	},
	groups = {flammable = 2},
	sound = {breaks = "default_tool_breaks"},
})