My animations don't load! due to humanoid parenting problems, what do I do?

I have been working on an RPG game for a while now, and recently a "glitch" has popped up, making my animations not work at all, there is no output error NOW but the first time the glitch happened it said something the lines of "LoadAnimation requires the humanoid object (EzioEE.Humanoid.) to be a descendant of the game object. This was in the client, when I transferred it to server, it said that the animation cannot be loaded, after I added some waitforchild's to the script there is no output, and the script doesnt break it continues.

local animationList = {
    "rbxassetid://3054889435";
    "rbxassetid://3060546392";
    "rbxassetid://3060918785";
}

Tool.Activated:Connect(function()
    if Debounce and Char then
        if equipped == false then return end
        Debounce = false


        Count.Value = Count.Value + 1
        if Count.Value > #animationList then
            Count.Value = 0
            print("a")
        else
            swingHolder.AnimationId = animationList[Count.Value]
        end

        local LoadAnime = Char:WaitForChild("Humanoid"):LoadAnimation(swingHolder)
        print(LoadAnime)
        LoadAnime:Play()
        print("dasdas")
        if LoadAnime.IsPlaying and not OneHit.Value then
            OneHitEvent:FireServer()
            RE:FireServer()
        end
        if Count.Value >= 3 then wait(3)
            Debounce = true
            RE:FireServer()
            else
            wait(0.75)
        RE:FireServer()

        Debounce = true
        end
    end
end)