Ghost script?

--Original Creator: GForcebot aka GForcebit
--Fixer/Editer: JJK83
local plr = game.Players.LocalPlayer.Character
local input = game:GetService("UserInputService")
input.InputBegan:connect(function()
if input:IsKeyDown(Enum.KeyCode.Q)then
	if plr.Parent == game.Workspace then
			plr.Parent = game.Workspace.Camera
			print("Ghost Mode Activated")
			if plr:FindFirstChildWhichIsA("Humanoid") then
				plr:FindFirstChildWhichIsA("Humanoid"):SetStateEnabled(Enum.HumanoidStateType.Running,false)
				plr:FindFirstChildWhichIsA("Humanoid"):SetStateEnabled(Enum.HumanoidStateType.Climbing,false)
				plr:FindFirstChildWhichIsA("Humanoid"):SetStateEnabled(Enum.HumanoidStateType.Freefall,false)
				plr:FindFirstChildWhichIsA("Humanoid"):SetStateEnabled(Enum.HumanoidStateType.Swimming,false)
				plr:FindFirstChildWhichIsA("Humanoid"):SetStateEnabled(Enum.HumanoidStateType.FallingDown,false)
				plr:FindFirstChildWhichIsA("Humanoid"):ChangeState(Enum.HumanoidStateType.RunningNoPhysics)
			end
		else
			plr.Parent = game.Workspace
			print("Ghost Mode Deactivated")
			if plr:FindFirstChildWhichIsA("Humanoid") then
				plr:FindFirstChildWhichIsA("Humanoid"):SetStateEnabled(Enum.HumanoidStateType.Running,true)
				plr:FindFirstChildWhichIsA("Humanoid"):SetStateEnabled(Enum.HumanoidStateType.Climbing,true)
				plr:FindFirstChildWhichIsA("Humanoid"):SetStateEnabled(Enum.HumanoidStateType.Freefall,true)
				plr:FindFirstChildWhichIsA("Humanoid"):SetStateEnabled(Enum.HumanoidStateType.Swimming,true)
				plr:FindFirstChildWhichIsA("Humanoid"):SetStateEnabled(Enum.HumanoidStateType.FallingDown,true)
			end
		end
	end
end)