I need help with my Script

Help and Feedback Scripting Support
,
#1

Why does not this work does anyone have any idea?

game.ReplicatedStorage.ShowGui2.OnClientEvent:Connect(function()
	local player = game.Players.LocalPlayer
	local char = player.CharacterAdded:wait()
	local h = char.Humanoid
	h.WalkSpeed = 0
	wait(18)
	h.WalkSpeed = 10
end)
#2

If the player’s character already exists, it will wait forever until the player respawns.

game.ReplicatedStorage.ShowGui2.OnClientEvent:Connect(function()
	local player = game.Players.LocalPlayer
	local char = player.Character or player.CharacterAdded:wait()
	local h = char:FindFirstChildOfClass("Humanoid") or char:WaitForChild("Humanoid") 
    -- get the humanoid or wait for it to exist
	h.WalkSpeed = 0
	wait(18)
	h.WalkSpeed = 10
end)
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