attempt to index field 'Parent' (a nil value), how can I fix that?

im having this issue on the line 46 how can i fix?

local Active = false
local HitNumber = 0
local DebrisService = game:GetService("Debris") --Literally the least efficient way to do this but I couldn't figure out anything else :/
game.ReplicatedStorage:WaitForChild("SwingEvent").OnServerEvent:Connect(function(player)
    local char = player.Character or player.CharacterAdded:Wait()
    local humanoid = char.Humanoid
    local Stats = player:WaitForChild("PlrStats"):WaitForChild("Stats")
    local Strength = Stats:WaitForChild("Strength")
    Active = true
    delay(.0,function()
    local attachment0 = Instance.new("Attachment",player.Character.Sword.BackWeld)
    attachment0.Position = Vector3.new(0, 0, 0)CFrame.Angles(math.pi/6, 8, 7)
    local attachment1 = Instance.new("Attachment",player.Character.Sword.BackWeld)
    attachment1.Position = Vector3.new(0,0,0)CFrame.Angles(5, 5, 5)
    local trail = player.Character.Sword.Sword.TrailSkill
    trail.Attachment0 = attachment0
    trail.Attachment1 = attachment1
    delay(1,function()
    attachment0:Destroy()
    attachment1:Destroy()
    end)
    end)

    local Folder = Instance.new("Folder",workspace)
    Folder.Name = "Punching"

    DebrisService:AddItem(Folder,2)

    HitNumber = HitNumber + 1


        local swinganim = Instance.new("Animation")
    swinganim.AnimationId = game:GetService("ReplicatedStorage"):WaitForChild("SwordConfiguration").Swing2.Value
    local swinganimtrack = player.Character.Humanoid:LoadAnimation(swinganim)
    swinganimtrack:Play()
    player.Character.Sword.Sword.Swing:Play()
    local Root = player.Character:WaitForChild("HumanoidRootPart")

    local HitBox = Instance.new("Part",Folder)
        HitBox.CFrame = char:WaitForChild("Sword"):WaitForChild("Sword").CFrame
        HitBox.Size = Vector3.new(8,6,5)
        HitBox.Transparency = 1
        HitBox.Massless = true
        HitBox.CanCollide = false
        HitBox.Touched:Connect(function(Hit)
            if Hit.Parent == char or Hit.Parent.Parent == char then
                return

            elseif not Hit.Parent:FindFirstChild("Dodge") or not Hit.Parent.Parent:FindFirstChild("Dodge") then
                local Humanoid = Hit.Parent:FindFirstChild("Humanoid") or Hit.Parent.Parent:FindFirstChild("Humanoid")

                if Humanoid and not Humanoid:FindFirstChild("Attacker") then
                    Folder:Destroy()

                    local Attacker = Instance.new("ObjectValue",Humanoid)
                    Attacker.Name = "Attacker"
                    Attacker.Value = player
                    DebrisService:AddItem(Attacker,0.5)

                    Humanoid:TakeDamage(Strength.Value/3.2+5)
                end
                end

    end)

    Active = false
    for i,v in pairs(game:GetService("ReplicatedStorage").HitVals:GetChildren()) do
        v:Destroy() 
    end
end)