My emotes gui work at first but after I reset my character it don't work anymore, how to fix it ?

Hi I've made a emote gui which it's very working but after I reset my character the emotes doesn't work anymore and it pops up this error and I haven't figure out how to fix it yet : " Loadanimation requires the humanoid object (player1.Humanoid) to be a descendant of the game object "

Here's my script

wait(1)
local user = game.Players.LocalPlayer
repeat
    wait()
until user.Character
local Input = game:GetService("UserInputService")
local animen = script.Parent.Parent.Parent:WaitForChild("Dances")
local speeder, speedval = animen:WaitForChild("Speeddancehaha"), 1
local mouse = user:GetMouse()
local scrollingframe = script.Parent
local anim
local char = user.Character
local humanoid = char:WaitForChild("Humanoid")
local ftime = 0.7
function playanim(id, lola)
    function setspeedval(num)
        speedval = num
        if anim then
        anim:AdjustSpeed(num)
        end
        speeder.Bar.Size = UDim2.new(num / 2 * 3 - 1, 0, 1, 0)
    end
    speeder.MouseButton1Down:Connect(function()
        while Input:IsMouseButtonPressed(Enum.UserInputType.MouseButton1) and game:GetService("RunService").RenderStepped:Wait() do
            local absz, absp = speeder.AbsoluteSize, speeder.AbsolutePosition
            local fact = math.min(1, math.max(0, (mouse.X - absp.X) / absz.X))
            setspeedval((fact + 1) * 2 / 3)
        end
    end)
    if char ~= nil and humanoid ~= nil then
        local id = "rbxassetid://" .. tostring(id)
        local oldanim = char:FindFirstChild("LocalAnimation")
        if anim ~= nil then
            anim:Stop(ftime / speedval)
        end
        if oldanim ~= nil then
            if oldanim.AnimationId == id then
                oldanim:Destroy()
                return
            end
            oldanim:Destroy()
        end
        local animation = Instance.new("Animation", char)
        animation.Name = "LocalAnimation"
        animation.AnimationId = id
        anim = humanoid:LoadAnimation(animation)
        anim:Play(ftime / speedval)
        if lola then
            setspeedval(lola.Speed)
        end
        anim:AdjustSpeed(speedval)
        function stopdance()
            if not anim then
                return
            end
        anim:Stop(ftime / speedval)
        anim = nil
        speeder.Bar.Size, speedval = UDim2.new(0.5, 0, 1, 0), 1
end
        spawn(function()
        while wait() do
        local hum = char:FindFirstChild("Humanoid")
        if hum and (hum.Sit or hum.MoveDirection.Magnitude > 0) then
            pcall(stopdance)
        end
    end
end)

Please help me fix this annoying errors