Can anyone figure this out?

script.Parent:WaitForChild("Handle");

local gearConfig = {
    gear = script.Parent,
    equipped = false,
    isSwinging = false,
    attackDeb = true,
    check = true,
    debris = game:GetService("Debris"),
    anims = {
        script.Parent:WaitForChild("Slash2Anim"),
        script.Parent:WaitForChild("Slash3Anim"),
        script.Parent:WaitForChild("Slash4Anim"),
    },
    sounds = {
        script.Parent.Handle:WaitForChild("Slash1")
    },
    readyAnims = {},
    deb = 0.75,
    damage = 50
};

script.Parent.Handle.Touched:connect(function(hit)
    if hit.Parent~=game.Players.LocalPlayer.Character and hit.Name~="Handle" and hit.Name~="Effect" and gearConfig.isSwinging and gearConfig.attackDeb then
        local h=hit.Parent:FindFirstChild("Humanoid");
        local t=hit.Parent:FindFirstChild("Torso");
        if h~=nil and t~=nil and h.Health>0 then
            gearConfig.attackDeb = false;
            for i,v in ipairs(h:GetChildren()) do
                if v.Name=="creator" then
                    v:remove();
                end
            end
            local c = Instance.new("ObjectValue", h);
            c.Name = "creator";
            c.Value = game.Players.LocalPlayer;
            h:TakeDamage(gearConfig.damage);
            wait(0.05);
            gearConfig.attackDeb = true;
        end
    end
end);

gearConfig.gear.Unequipped:connect(function()
    gearConfig.equipped = false;
end);

gearConfig.gear.Equipped:connect(function(m)
    gearConfig.equipped = true;
    if (m ~= nil) then
        local human=script.Parent.Parent:findFirstChild("Humanoid");
        for i=1, #gearConfig.anims do
            table.insert(gearConfig.readyAnims, human:LoadAnimation(gearConfig.anims[i]));      
        end

        m.Button1Down:connect(function()
            if (gearConfig.check and human.Health > 0) then
                gearConfig.check = false;
                local a = math.random(1, #gearConfig.readyAnims);
                gearConfig.readyAnims[a]:Play();
                gearConfig.sounds[math.random(1, #gearConfig.sounds)]:Play();
                gearConfig.isSwinging = true;
                Spawn(function() wait(gearConfig.deb); gearConfig.check = true; end);
                repeat gearConfig.trail(); wait(0.085) until gearConfig.check or not gearConfig.equipped        
                gearConfig.isSwinging = false;  
            end
        end);

        m.Button1Up:connect(function()
            if (gearConfig.check and human.Health > 0) then

            end
        end);
    end
end);

Error: Players.Player.Backpack.Fire Tribe.LocalScript:67: attempt to call field 'trail' (a nil value)