MP3 Player Script Will Play The First Song When You Click Next But Not The Second, Any Help?

So when I click the next button on it it will play the first time but when I click it again it will not play the next song.

Error: Players.FuriaI.PlayerGui.mp3player.BackGround.Main:69: bad argument #2 to 'random' (interval is empty) 09:13:23.975 - Stack Begin 09:13:23.976 - Script 'Players.FuriaI.PlayerGui.mp3player.BackGround.Main', Line 69 - global NextSong 09:13:23.977 - Script 'Players.FuriaI.PlayerGui.mp3player.BackGround.Main', Line 81 Script:

local Player = game.Players.LocalPlayer
repeat wait() until Player.Character
local Character = Player.Character
local Bg = script.Parent
local Bar = Bg.Bar
local PlayPause = Bg.PlayPause
local Prev = Bg.Prev
local Next = Bg.Next
local SongImg = Bg.ImageLabel
local Song = Bg.Song
local Time = Bg.Time
local SongIsPlaying = false

local SoundIds = {
	897623161,844906598,
}

local ChosenSong = {}

local PrevSongg = {}

table.sort(SoundIds)

function GetIndex(tabl)
	for i,v in pairs(tabl) do
		return v
	end
end

function CheckIfPlaying()
	if SongIsPlaying == true then
		return true
	elseif SongIsPlaying == false then
		return false
	end
end

function PlaySong()
	local Sound = Instance.new("Sound")
	Sound.Name = "Music"
	if Character.Torso:FindFirstChild("Music") then
		Character.Torso.Music:Destroy()
	end
	Sound.Parent = Character.Torso
	for i,v in pairs(ChosenSong) do
		Sound.SoundId = "rbxassetid://"..v
	end
	Sound.Looped = true
	Sound.Volume = 1
	Sound.TimePosition = 0
	Sound:Play()
end

function NextSong()
    if CheckIfPlaying() then
		for i,v in pairs(ChosenSong) do
			table.insert(SoundIds,v)
			for g,h in pairs(PrevSong) do
				table.remove(PrevSong,h)
				table.insert(PrevSong,v)
			end
			table.remove(ChosenSong,v)
		end
		local index = math.random(1, #SoundIds);
	    table.insert(ChosenSong, SoundIds[index]);
	    table.remove(SoundIds, index);
		PlaySong()
	elseif not CheckIfPlaying() then
		local index = math.random(1, #SoundIds);
	    table.insert(ChosenSong, SoundIds[index]);
	    table.remove(SoundIds, index);
		PlaySong()
	end
end

function PrevSong()
	-- Will Work On This
end

Next.MouseButton1Click:Connect(function()
	NextSong()
end)

Prev.MouseButton1Click:Connect(function()
	PrevSong()
end)

PlayPause.MouseButton1Click:Connect(function()
	if table.getn(ChosenSong) > 0 then
		PlaySong()
	else
		local index = math.random(1, #SoundIds);
	    table.insert(ChosenSong, SoundIds[index]);
	    table.remove(SoundIds, index);
	end
end)