103: Array is not allowed in data stores

I am making a leaderboard script. And i have some problems with saving the data. It says what the title says.

I have looked for other solutions on the devforum but none work

btw, i use ordered datastore

Here is the saving:

    for _,Player in pairs(game.Players:GetPlayers()) do
	local SaveData = {Player.leaderstats.Rounds.Value, Player.UserData.Time.Value, Player.UserId}
        DS:SetAsync("user-"..Player.UserId, SaveData)
    end

And here is the loading:

        local Data = DS:GetSortedAsync(false, 52)
        local CashPage = Data:GetCurrentPage()
	local Rank = 0
        for _, PlayerData in ipairs(CashPage) do
			print(#PlayerData)
			local Found, Name = pcall(function()
			        local NameP = game:GetService("Players"):GetNameFromUserIdAsync(PlayerData[1][3])
				return NameP
			end)
			if Found then
				if Name ~= "epicboyman3" and Name ~= "williampay" then
					Rank = Rank+1
		                        local Name = Name
		                        local Cash = PlayerData[1][1]
		                        local NewObj = game.ReplicatedStorage:WaitForChild("lbFrame"):Clone()
		                        NewObj.Player.Text = Name
		                        NewObj.Cash.Text = Cash
		                        NewObj.Rank.Text = "#"..Rank
		                        NewObj.Position = UDim2.new(0, 0, NewObj.Position.Y.Scale + (0.0125 * #game.Workspace.GlobalLeaderboard.lbGUI.Holder:GetChildren()), 0)
		                        NewObj.Parent = game.Workspace.GlobalLeaderboard.lbGUI.Holder
				end
			else
				print(tostring(Found).. " Data ".. PlayerData[1][3])
			end
        end

You can’t put arrays in data-stores I think. Try
HTTPService:JSONEncode()
That will encode it in JSON format. To get it out, do
HTTPService:JSONDecode()

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