Why is my ExpBar script incorrectly setting the size?

I have an Experience Bar script that I wrote, and it's really been bugging me. For some reason, it sets the bar to size 200 for practically every experience value OTHER than 0. If I set it to 0, the Size is correct, but if I set it to, for example, 50, the size is 200. What is wrong with it?

wait(2)

local xps = {0, 3, 6, 10, 15, 20, 25, 30, 40, 50,
    65, 80, 95, 110, 125, 140, 155, 180, 210,
    250, 300, 350, 400, 450, 500, 575, 650, 725,
    825, 1000};

Player = game.Players.LocalPlayer

function hudsize()
    repeat wait() until Player and Player.leaderstats

    local ExpBar = script.Parent.ExpBar
    local xp = Player.Exp.Value
    local level = Player.leaderstats.Level.Value
    local required = math.ceil(xp/(xps[level+1] * 100))

		if level < 30 then
    		wait(.2)
    		ExpBar.Size = UDim2.new(0, 15, 0,  (required * 200))
		elseif level >= 30 then
			wait(.2)
			ExpBar.Size = UDim2.new(0, 15, 0, 200)
		end
end

Player.Exp.Changed:connect(function()
    hudsize()
end)

wait(2)

local xps = {0, 3, 6, 10, 15, 20, 25, 30, 40, 50,
    65, 80, 95, 110, 125, 140, 155, 180, 210,
    250, 300, 350, 400, 450, 500, 575, 650, 725,
    825, 1000};

Player = game.Players.LocalPlayer

function hudsize()
    repeat wait() until Player and Player.leaderstats

    local ExpBar = script.Parent.ExpBar
    local xp = Player.Exp -- You can't or rather, shouldn't have .Value
    local level = Player.leaderstats.Level -- same here

        if level.Value < 30 then -- edited this
            wait(.2)
            ExpBar.Size = UDim2.new(0, 15, 0,  (math.ceil(xp/(xps[level+1] * 100)) * 200)) -- edited
        elseif level.Value >= 30 then -- edited this
            wait(.2)
            ExpBar.Size = UDim2.new(0, 15, 0, 200)
        end
end

Player.Exp.Changed:connect(function()
    hudsize()
end)

I believe this should work, what was happening was the local xp and the local level both had a .Value in them, it can't handle it. (unless it's been updated and it can) But this should work for you now.

wait(2)

local xps = {0, 3, 6, 10, 15, 20, 25, 30, 40, 50,
    65, 80, 95, 110, 125, 140, 155, 180, 210,
    250, 300, 350, 400, 450, 500, 575, 650, 725,
    825, 1000};

Player = game.Players.LocalPlayer

function hudsize()
    repeat wait() until Player and Player.leaderstats

    local ExpBar = script.Parent.ExpBar
    local xp = Player.Exp.Value
    local level = Player.leaderstats.Level.Value
    local required = math.ceil(xp/xps[level] * 100) * 100 -- This should be Current EXP divided by needed exp times 100

        if level < 30 then
            wait(.2)
            ExpBar.Size = UDim2.new(0, 15, 0,  (required * 2))
        elseif level >= 30 then
            wait(.2)
            ExpBar.Size = UDim2.new(0, 15, 0, 200)
        end
end

Player.Exp.Changed:connect(function()
    hudsize()
end)