How do you lock player when pre-timer starts and Unlock when the pre-timer ends in 0

[Chalksteam56]

I want to make my pre round timer lock the player when it starts and unlock player when it ends. I know about ply:Lock() and ply:UnLock() but I get an error saying that ply is nil, and I've done local ply = LocalPlayer()

This is my round code located in my shared.lua:

function UpdateTimer( time )
	net.Start("round_timer")
		net.WriteInt( time, 10 )
	net.Broadcast()
end

function RoundStart() -- Pre-round
	local time = 50 -- I want player lock to start here
	UpdateTimer( time )
	timer.Create( "round", 1, time, function()
		time = time - 1
		local Alive = 0
		for k, v in pairs( player.GetAll() ) do
			if( v:Alive() ) then
				Alive = Alive + 1
			end
		end
		if( Alive >= table.Count( player.GetAll() ) && table.Count( player.GetAll() ) > 1 && time <= 0 ) then
			roundActive = true
			net.Start("round_active")
				net.WriteBool( true )
			net.Broadcast()
		elseif( table.Count( player.GetAll()) < 2 ) then
			UpdateTimer( 50 )
			return
		end
		if( time <= 0 ) then -- I want player unlock to start here and player lock to end here.
			print( "Round started: " .. tostring(roundActive) )
			RoundEndCheck() 
		end
		UpdateTimer( time ) 
	end)
end



function RoundEndCheck() 
	print( "Round active: " .. tostring(roundActive) ) 
	RunConsoleCommand("UnLock23951925u765323234261")
	time = 401 
	if( roundActive == false )then return end
	timer.Create( "checkdelay", 1, time, function()
		time = time - 1
		UpdateTimer( time )
		if( time <= 0 ) then
			EndRound( "No one" )
		end
		local combineAlive = 0
		local resistanceAlive = 0
		for k, v in pairs( team.GetPlayers( 1 ) ) do
			if( v:Alive() ) then
				combineAlive = combineAlive + 1
			end
		end
		for k, v in pairs( team.GetPlayers( 2 ) ) do
			if( v:Alive() ) then
				resistanceAlive = resistanceAlive + 1
			end
		end
		print( "Combine Alive: " .. tostring(combineAlive) .. " | Resistance Alive: " .. tostring(resistanceAlive) )
		if( combineAlive == 0 ) then
			EndRound( "Resistance" )
		elseif( resistanceAlive == 0 ) then
			EndRound( "Combine" )
		end
	end)
end

function EndRound( winners )
	print( winners .. " won the round!" )
	timer.Remove( "checkdelay" )
	timer.Create("cleanup", 3, 1, function()
		game.CleanUpMap( false, {} )
		for _, v in pairs( player.GetAll() ) do
			if( v:Alive() ) then
				v:SetupHands()
				v:StripWeapons()
				v:KillSilent()
			end
			v:SetGamemodeTeam( v:Team() ) 
		end
		net.Start("round_active")
			net.WriteBool( false )
		net.Broadcast()
		roundActive = false
	end)
end

[Bull29]

LocalPlayer() does not exist serverside.