spells tfs 0.3.6, 8.6 client

[mirak sebata]

hello i wanna use a new spell but i get this error how can i fix this..? i added picture and spell

local arr = {
    {
        {0, 0, 0, 1, 1, 1, 1, 1, 0, 0, 0},
        {0, 0, 1, 1, 1, 1, 1, 1, 1, 0, 0},
        {0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0},
        {1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1},
        {1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1},
        {1, 1, 1, 1, 1, 3, 1, 1, 1, 1, 1},
        {1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1},
        {1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1},
        {0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0},
        {0, 0, 1, 1, 1, 1, 1, 1, 1, 0, 0},
        {0, 0, 0, 1, 1, 1, 1, 1, 0, 0, 0},
    },
    {
        {0, 0, 0, 1, 1, 1, 1, 1, 0, 0, 0},
        {0, 0, 1, 0, 0, 0, 0, 0, 1, 0, 0},
        {0, 1, 0, 0, 0, 0, 0, 0, 0, 1, 0},
        {1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1},
        {1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1},
        {1, 0, 0, 0, 0, 2, 0, 0, 0, 0, 1},
        {1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1},
        {1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1},
        {0, 1, 0, 0, 0, 0, 0, 0, 0, 1, 0},
        {0, 0, 1, 0, 0, 0, 0, 0, 1, 0, 0},
        {0, 0, 0, 1, 1, 1, 1, 1, 0, 0, 0}
    }
}

local combat = {}
for i = 1, 3 do
    combat = createCombatObject()
end

setCombatArea(combat[1], createCombatArea(arr[1]))
setCombatParam(combat[1], COMBAT_PARAM_TYPE, COMBAT_POISONDAMAGE)
setCombatArea(combat[2], createCombatArea(arr[2]))
setCombatParam(combat[2], COMBAT_PARAM_EFFECT, CONST_ME_POISONAREA)

function spellCallbackStorm(param)
    if param.count > 0 or math.random(0, 1) == 1 then
        doSendMagicEffect(param.pos, CONST_ME_HITBYPOISON)
        doSendDistanceShoot({ x = param.pos.x - 7, y = param.pos.y - 7, z = param.pos.z}, param.pos, CONST_ANI_POISON)
        addEvent(doSendMagicEffect, 50, param.pos, CONST_ME_GREEN_RINGS)
    end

    if(param.count < 3) then
        param.count = param.count + 1
        addEvent(spellCallbackStorm, math.random(0, 500), param)
    end
end

function onTargetTile(cid, pos)
    local param = {}
    param.cid = cid
    param.pos = pos
    param.count = 0
    spellCallbackStorm(param)
end

function onTargetTile2(cid, pos)
    doCombat(cid, combat[3], positionToVariant(pos))
end

function onGetFormulaValues(cid, level, maglevel)
    local min = -((level/5)+(maglevel*15))
    local max = -((level/5)+(maglevel*18))
    return min, max
end

setCombatCallback(combat[1], CALLBACK_PARAM_LEVELMAGICVALUE, "onGetFormulaValues")
setCombatCallback(combat[1], CALLBACK_PARAM_TARGETTILE, "onTargetTile")
setCombatCallback(combat[2], CALLBACK_PARAM_TARGETTILE, "onTargetTile2")

function onCastSpell(cid, var)
    doCombat(cid, combat[1], var)
    doCombat(cid, combat[2], var)
    return true
end