[SOLVED] Why is attempt to index local 'mes' (a nil value)?

The local script in StarterPlayerScripts and FilteringEnabled is on.

Part of local script:

	network:add("chatted",function(chatter,text,tag,teamchat)
		if teamchat and chatter.TeamColor~=player.TeamColor then return end
		local mes=msg:Clone()
		local mtag=mes:WaitForChild("Tag")
		local offset=5
		mes.Parent=globalchat
		mtag.Text=tag
		if tag~="" then
			offset=mtag.TextBounds.x+5		
			mes.Position=ud2(0.01,offset,1,20)
			mtag.Position=ud2(0,-offset+1,0,0)
		end
		mes.Text=chatter.Name..": "
		mes.TextColor=chatter.TeamColor
		mes.Msg.Text=text
		mes.Msg.Position=ud2(0,mes.TextBounds.x,0,0)
		
	end)

Output: "attempt to index local 'mes' (a nil value)"

Error line is 04: 'local mtag=mes:WaitForChild("Tag")'

It's not working. Why?