Help with Gluth.

[Deathmaker1]

I scripted Gluth for my server but when a zombie gets near to him,he doesn't "eat" the zombies,here's the script:

function Unit_OnKilledTarget(unit,event)
end

function Unit_OnCombat(Unit,event)
Unit:SendChatMessage(14,0,"1")
Unit:RegisterEvent("Gluth_Mortal_Wound",13000,70)
Unit:RegisterEvent("Gluth_Enrage",35000,70)
Unit:RegisterEvent("Zombie_Chow",30000,70)
Unit:RegisterEvent("Decimate",105000,70)
Unit:RegisterEvent("Gluth_Berserk",480000,1)
Unit:RegisterEvent("Health",10000,4000)
end



function Unit_OnLeaveCombat(Unit,event)
Unit:RemoveEvents()
end
function Unit_OnDeath(unit,event)
Unit:RemoveEvents()
end






function Gluth_Mortal_Wound(Unit,event)
Unit:FullCastSpellOnTarget(54378,Unit:GetMainTank())
end

function Gluth_Enrage(Unit,event)
Unit:CastSpell(28371)
end

function Decimate(Unit,Event)
Unit:CastSpell(28374)
end

function Zombie_Chow (Unit, Event)
Unit:SpawnCreature (16360,3269.8266 ,-3172.2434,297.4225 ,0.00, 14, 150000);
end
function Health(Unit,event)
local chow = Unit:GetUnitBySqlId(16360)
if(chow:IsInFront(Unit)) then
Unit:SendChatMessage(14,0,"Gluth spots a nearby Zombie to devour it!")
local hp = Unit:GetHealthPct();
Unit:SetHealthPct(hp+5)
else
return
end
end




function Gluth_Berserk(Unit,event)
Unit:CastSpell(26662)
end




RegisterUnitEvent(37, 1,"Unit_OnCombat")
RegisterUnitEvent(37, 2,"Unit_OnLeaveCombat")
RegisterUnitEvent(37, 3, "Unit_OnKilledTarget")
RegisterUnitEvent(37, 4, "Unit_OnDeath")


the function I've done for this is Health.Please,help me

[Facerolling]

Use Code Tags next time.

local GluthX
local GluthY
local GluthZ
local GluthO

function Unit_OnCombat(Unit,event)
	Unit:SendChatMessage(14,0,"1")
	Unit:RegisterEvent("Gluth_Mortal_Wound",13000,0)
	Unit:RegisterEvent("Gluth_Enrage",35000,0)
	Unit:RegisterEvent("Zombie_Chow",30000,0)
	Unit:RegisterEvent("Decimate",105000,0)
	Unit:RegisterEvent("Gluth_Berserk",480000,1)
	GluthX = Unit:GetX()
	GluthY = Unit:GetY()
	GluthZ = Unit:GetZ()
	GluthO = Unit:GetO()
end

function Unit_OnLeaveCombat(Unit,event)
	Unit:RemoveEvents()
end

function Unit_OnDeath(Unit,event)
	Unit:RemoveEvents()
end

function Gluth_Mortal_Wound(Unit,event)
	Unit:FullCastSpellOnTarget(54378,Unit:GetMainTank())
end

function Gluth_Enrage(Unit,event)
	Unit:CastSpell(28371)
end

function Decimate(Unit,Event)
	Unit:CastSpell(28374)
end

function Zombie_Chow (Unit, Event)
	Unit:SpawnCreature(16360,3269.8266 ,-3172.2434,297.4225 ,0.00, 14, 150000);
	Unit:MoveTo(GluthX, GluthY, GluthZ, GluthO)
	Unit:RegisterEvent("Health",3000,0)
end

function Health(Unit,event)
	if Unit:GetDistanceYards(Unit:GetClosestFriend()) <= 3 then
		Unit:SendChatMessage(14,0,"Gluth spots a nearby Zombie to devour it!") -- This is a yell by gluth, are you sure you want this to happen?
		Unit:SetHealthPct(Unit:GetHealthPct()+5)
		Unit:GetClosestFriend():RemoveFromWorld()
	else
	return
	end
end

function Gluth_Berserk(Unit,event)
	Unit:CastSpell(26662)
end

RegisterUnitEvent(37, 1,"Unit_OnCombat")
RegisterUnitEvent(37, 2,"Unit_OnLeaveCombat")
RegisterUnitEvent(37, 4, "Unit_OnDeath")

[Deathmaker1]

Use Code Tags next time.

local GluthX
local GluthY
local GluthZ
local GluthO

function Unit_OnCombat(Unit,event)
	Unit:SendChatMessage(14,0,"1")
	Unit:RegisterEvent("Gluth_Mortal_Wound",13000,0)
	Unit:RegisterEvent("Gluth_Enrage",35000,0)
	Unit:RegisterEvent("Zombie_Chow",30000,0)
	Unit:RegisterEvent("Decimate",105000,0)
	Unit:RegisterEvent("Gluth_Berserk",480000,1)
	GluthX = Unit:GetX()
	GluthY = Unit:GetY()
	GluthZ = Unit:GetZ()
	GluthO = Unit:GetO()
end

function Unit_OnLeaveCombat(Unit,event)
	Unit:RemoveEvents()
end

function Unit_OnDeath(Unit,event)
	Unit:RemoveEvents()
end

function Gluth_Mortal_Wound(Unit,event)
	Unit:FullCastSpellOnTarget(54378,Unit:GetMainTank())
end

function Gluth_Enrage(Unit,event)
	Unit:CastSpell(28371)
end

function Decimate(Unit,Event)
	Unit:CastSpell(28374)
end

function Zombie_Chow (Unit, Event)
	Unit:SpawnCreature(16360,3269.8266 ,-3172.2434,297.4225 ,0.00, 14, 150000);
	Unit:MoveTo(GluthX, GluthY, GluthZ, GluthO)
	Unit:RegisterEvent("Health",3000,0)
end

function Health(Unit,event)
	if Unit:GetDistanceYards(Unit:GetClosestFriend()) <= 3 then
		Unit:SendChatMessage(14,0,"Gluth spots a nearby Zombie to devour it!") -- This is a yell by gluth, are you sure you want this to happen?
		Unit:SetHealthPct(Unit:GetHealthPct()+5)
		Unit:GetClosestFriend():RemoveFromWorld()
	else
	return
	end
end

function Gluth_Berserk(Unit,event)
	Unit:CastSpell(26662)
end

RegisterUnitEvent(37, 1,"Unit_OnCombat")
RegisterUnitEvent(37, 2,"Unit_OnLeaveCombat")
RegisterUnitEvent(37, 4, "Unit_OnDeath")

It doesn't work,the emulator says:Attempt to compare nil with numbers.

[choweyiii]

I am not sure this will work, but try making a script on the Zombies.
This will make the Zombies despawn when they get 3 yards away from Gluth, tell me if it works

if Unit:GetDistanceYards(gluth gui[not sure how to target specific npcs]) <= 3 then
Unit:Despawn(1000,0)

[Deathmaker1]

No it doesn't work,at the end I fixed it by myself...thanks for helping