How to add a Idle and Attack Animation to a Sword?

I have Scripts That make it so the Sword appears on your back, and whenever you press F, You equip it in your Hand, And if you press F again, You Put it back (The Sword is a Model) But, The Animations Do not work! I need help.

Attack Script:

local Active = false
local HitNumber = 0 

game.ReplicatedStorage:WaitForChild("SwingEvent").OnServerEvent:Connect(function(player)
    Active = true
    local swinganim = Instance.new("Animation")
    swinganim.AnimationId = game:GetService("ReplicatedStorage"):WaitForChild("SwordConfiguration").Swing.Value
    local swinganimtrack = player.Character.Humanoid:LoadAnimation(swinganim)
    swinganimtrack:Play()
    player.Character.Sword.Sword.Swing:Play()
    delay(.360,function()
    local attachment0 = Instance.new("Attachment",player.Character.Sword.Sword)
    attachment0.Position = Vector3.new(0.087, -0, -0.501)
    local attachment1 = Instance.new("Attachment",player.Character.Sword.Sword)
    attachment1.Position = Vector3.new(0.078, -0, 2.272)
    local trail = player.Character.Sword.Sword.Trail
    trail.Attachment0 = attachment0
    trail.Attachment1 = attachment1
    delay(.490,function()
    attachment0:Destroy()
    attachment1:Destroy()
    swinganim:Destroy()
    swinganimtrack:Stop()
    end)
    end)
    player.Character.Sword.Sword.Touched:Connect(function(toucher)
        if toucher.Parent:FindFirstChild("Humanoid") ~= nil then
            if game:GetService("ReplicatedStorage").HitVals:FindFirstChild("HitVal"..toucher.Parent.Name) == nil then
                hitted = toucher.Parent
                print(toucher.Parent.Name)
                toucher.Parent.Humanoid:TakeDamage(game.ReplicatedStorage:WaitForChild("SwordConfiguration").Damage.Value)
                local hitter = Instance.new("Folder",game:GetService("ReplicatedStorage").HitVals)
                hitter.Name = "HitVal"..toucher.Parent.Name
            end
        end
    end)
    Active = false
    for i,v in pairs(game:GetService("ReplicatedStorage").HitVals:GetChildren()) do
        v:Destroy()
    end
end)

There is a folder in the Workspace Named: Settings, It has the Animations (Hold, Equip, Unequip, Damage, And Swing) All of them have KeyFrameSequences in them.

The sword is a Model, With Grouped parts in them named, Handle, Blade, And Back Weld. Also there is Qperfection weld Script in there.

There are also 2 Weld Scripts, Weld, and WeldAfter, I also have a Folder named "HitVal" I have a Animation dummy in for the animations.

Configuration Script:

script.Settings.Name = "SwordConfiguration"
script.Weld.Parent = game:GetService("ServerScriptService")
script.WeldAlter.Parent = game:GetService("ServerScriptService")
script.Attack.Parent = game:GetService("ServerScriptService")
script.EquipScript.Parent = game:GetService("StarterPack")
script.Sword.Parent = game:GetService("ReplicatedStorage")
script.EquipEvent.Parent = game:GetService("ReplicatedStorage")
script.SwingEvent.Parent = game:GetService("ReplicatedStorage")
script.HitVals.Parent = game:GetService("ReplicatedStorage")
script:WaitForChild("SwordConfiguration").Parent = game:GetService("ReplicatedStorage")
script.AnimationDummy:Destroy()
wait()
script:Destroy()

(Btw Everything is grouped under Configuration script)