Why My GUI Is Not Showing Up When Clicking Test? Please Need Help I Really Need Help With It

local DataStore = game:GetService(("DataStoreService"):GetDataStore("Daily Rewards")

local hourWait = 24

local possibleRewards = {10,15,20,5,5,5,5,5,5,5,5,5,5,5,100,250}


game.Players.PlayerAdded:Connect(function(player)

    local leaderstats = Instance.new("Folder")
    leaderstats.Name = "leaderstats"
    leaderstats.Parents = player

    local coins = Instance.new ("IntValue")
    coins.Name = "Coins"
    coins.Parent = leaderstats

    local timeNow= os.time()

    local data

    pcall (function()
        data = DataStore:GetAsync(player.UserId.."-dailyReward")
        print ("Getting Data")
    end)

    if data ~= nil then
        --Returning player to the game

        local timeSinceLastPlay = timeNow - data -- Number in sec since the last reward was claimed

        print ("Time since last claim"..timeSinceLastClaim)

        if (timeSinceLastClaim / 3600) >= hourWait then
            --They are eligible for a reward
            local reward = possibleRewards [math.random(1,#possibleRewards)]
            game.ReplicatedStorage.ShowDailyReward:FireClient(player,hourWait,reward)
            local connection 
            connection = game.ReplicatedStorage.ClaimReward.OnServerEvent:Connect((function(triggeringPlayer)
                if triggeringPlayer == player then
                    print ("Reward Claimed")
                    player.leaderstat.Coins.Value = player.leaderstat.Coins.Value + reward
                    DataStore:SetAsync(player.UserId.."-dailyReward",os.time())
                    connection:Disconnect()
                end
            end)
        else
            print("Player is uneligible right now")

        end

    else
        --New player
        print("New player")

    end

end)


game.Players.PlayerRemoving:Connect((function(player)
    local data
    pcall(function()
        data = DataStore:GetAsync(player.UserId.."-dailyReward")
        print ("Getting the Data")
    end)

    if data ==nil then
        -- New player
        pcall((function()
            local timeVal = os.time()
            DataStore.GetAsync(player.UserId.."dailyReward")
        end)
        print("Saved because you are a new player")
    end
end)
-----------------------
-----------------------
game.ReplicatedStorage.ShowDailyReward.OnClientEvent:Connect(function(hourToNextReward,rewardAmount)
    script.Parent.Enabled = true
    script.Parent.Frame.Comeback.Text = "Come back in "..hoursToNextReward.."hours for your next reward"

    script.Parent.Frame.Claim.MouseButton1Click:Connect(function()
        game.ReplicatedStorage.ClaimReward:FireServer()
        script.Parent.RewardNotice.Text = "You got "..rewardsAmount.."Coins"
        script.Parent.RewardNotice:TweenSizeAndPosition(UDim2.new(0.6,0,0.15,0),UDim2.new(0.5,0,0.5,0))
        script.Parent.Frame.Visible = false
        wait(1.5)
        script.Parent.RewardNotice:TweenSizeAndPosition(UDim2.new(0,0,0,0),UDim2.new(0.5,0,0.5,0))
        wait(1.5)
        script.Parent.Enabled = false
        script.Parent.Frame.Visible = true
    end)

end)

i dont know where is the problem and i have the remote event in rep storage so please i need a help btw its 2 scripts