LUA script failure

local npcID= 123123;
local randomtext = math.random(1,2) ;

function Boss_OnEnterCombat(Event, Creature, Victim);
    Creature:SendUnitYell("How dare you face me,  ABOMINATION !?",0)
    	Creature:RegisterEvent(Fel_Armor, 20, 1)
end;

function Boss_OnLeaveCombat(Event, Creature,  Victim)
if randomtext == 1 then
    Creature:SendUnitYell("blabla",0)
    Creature:RemoveEvents()
end;

if randomtext == 2 then
    Creature:SendUnitYell( "blabla",0)
Creature:CastSpell(69131)
Creature:RemoveEvents()
end
end;


function Boss_OnDied(Event, Creature,  Victim);
	Creature:SendUnitYell("blabla",0)

	 for k,v in ipairs(Creature:GetPlayersInRange(Creature:GetAggroRange())) do

	v:CastSpell(58451,true)
	v:CastSpell(58451,true)
	v:CastSpell(48100,true)
	v:CastSpell(58452,true)
	v:CastSpell(48104,true)
    v:CastSpell(48102,true)
	v:CastSpell(48469,true)
	v:CastSpell(61024,true)
	v:CastSpell(20217,true)
	v:CastSpell(48161,true)
	v:CastSpell(48073,true)
	v:CastSpell(48169,true)
	v:CastSpell(54675,true)
	v:CastSpell(15366,true)
	v:CastSpell(33077,true)
	v:CastSpell(53307,true)
	v:CastSpell(43017,true)
	v:CastSpell(5697,true)
	v:CastSpell(132,true)
	v:CastSpell(1706,true)
	v:CastSpell(16618,true)
end
Creature:RemoveEvents()
end;



function Boss_OnTargetDied(Event, Creature)
    Creature:SendUnitYell("Your weakness destroyed you, fools.",0)
Creature:RegisterEvent(SpellWave, 50, 0)
Creature:PlaySoundToSet(12498)
end;


RegisterCreatureEvent(npcID, 1, Boss_OnEnterCombat)
RegisterCreatureEvent(npcID, 2, Boss_OnLeaveCombat)
RegisterCreatureEvent(npcID, 3, Boss_OnTargetDied)
RegisterCreatureEvent(npcID, 4, Boss_OnDied)

--------------------------------------
-- Spell Events--
---------------------------------------
function Fel_Armor(Event, Creature)
	Creature:CastSpell(47893)
end;

function SpellWave(Event, Creature)
    Creature:CastSpell(38536)
    Creature:PlaySoundToSet(12507)
	Creature:SendUnitYell("blablabla",0)
end;