Help with a EZ script please..

[skitzo]

I keep getting these Bug errors in console even though I've change the script 2x

04/09/2009 15:33:59] Lua Script Error: [Npc interface] 
[04/09/2009 15:33:59] data/npc/scripts/boat_libertybay.lua:onCreatureSay

[04/09/2009 15:33:59] data/npc/lib/npcsystem/npchandler.lua:301: bad argument #1 to 'gsub' (string expected, got nil)
[04/09/2009 15:33:59] stack traceback:
[04/09/2009 15:33:59] 	[C]: in function 'gsub'
[04/09/2009 15:33:59] 	data/npc/lib/npcsystem/npchandler.lua:301: in function 'parseMessage'
[04/09/2009 15:33:59] 	data/npc/lib/npcsystem/modules.lua:55: in function 'callback'
[04/09/2009 15:33:59] 	data/npc/lib/npcsystem/keywordhandler.lua:40: in function 'processMessage'
[04/09/2009 15:34:00] 	data/npc/lib/npcsystem/keywordhandler.lua:168: in function 'processNodeMessage'
[04/09/2009 15:34:00] 	data/npc/lib/npcsystem/keywordhandler.lua:122: in function 'processMessage'
[04/09/2009 15:34:00] 	data/npc/lib/npcsystem/npchandler.lua:380: in function 'onCreatureSay'
[04/09/2009 15:34:00] 	data/npc/scripts/boat_libertybay.lua:10: in function <data/npc/scripts/boat_libertybay.lua:10>

local keywordHandler = KeywordHandler:new()
        local npcHandler = NpcHandler:new(keywordHandler)
        NpcSystem.parseParameters(npcHandler)
        
        
        
        -- OTServ event handling functions start
        function onCreatureAppear(cid)				npcHandler:onCreatureAppear(cid) end
        function onCreatureDisappear(cid) 			npcHandler:onCreatureDisappear(cid) end
        function onCreatureSay(cid, type, msg) 	npcHandler:onCreatureSay(cid, type, msg) end
        function onThink() 						npcHandler:onThink() end
        -- OTServ event handling functions end
        
        
        -- Don't forget npcHandler = npcHandler in the parameters. It is required for all StdModule functions!
	local travelNode = keywordHandler:addKeyword({'thais'}, StdModule.say, {npcHandler = npcHandler, onlyFocus = true, text = 'Do you want to sail to Thais for 180 gold coins?'})
        	travelNode:addChildKeyword({'yes'}, StdModule.say, {npcHandler = npcHandler, premium = true, level = 0, cost = 180, destination = {x=32310, y=32210, z=6} })
        	travelNode:addChildKeyword({'no'}, StdModule.say, {npcHandler = npcHandler, onlyFocus = true, reset = true, text = 'Then stay here!'})

	local travelNode = keywordHandler:addKeyword({'goroma'}, StdModule.say, {npcHandler = npcHandler, onlyFocus = true, text = 'Do you want to sail to Goroma for 500 gold coins?'})
        	travelNode:addChildKeyword({'yes'}, StdModule.travel, {npcHandler = npcHandler, premium = true, level = 0, cost = 500, destination = {x=31993, y=32564, z=6} })
        	travelNode:addChildKeyword({'no'}, StdModule.say, {npcHandler = npcHandler, onlyFocus = true, reset = true, text = 'Then stay here!'})

	local travelNode = keywordHandler:addKeyword({'port hope'}, StdModule.say, {npcHandler = npcHandler, onlyFocus = true, text = 'Do you want to sail to Port Hope for 50 gold coins?'})
        	travelNode:addChildKeyword({'yes'}, StdModule.travel, {npcHandler = npcHandler, premium = true, level = 0, cost = 50, destination = {x=32527, y=32784, z=6} })
        	travelNode:addChildKeyword({'no'}, StdModule.say, {npcHandler = npcHandler, onlyFocus = true, reset = true, text = 'Then stay here!'})        

	local travelNode = keywordHandler:addKeyword({'venore'}, StdModule.say, {npcHandler = npcHandler, onlyFocus = true, text = 'Do you want to sail to Venore for 180 gold coins?'})
        	travelNode:addChildKeyword({'yes'}, StdModule.travel, {npcHandler = npcHandler, premium = true, level = 0, cost = 180, destination = {x=32952, y=32022, z=6} })
        	travelNode:addChildKeyword({'no'}, StdModule.say, {npcHandler = npcHandler, onlyFocus = true, reset = true, text = 'Then stay here!'})
        
	local travelNode = keywordHandler:addKeyword({'darashia'}, StdModule.say, {npcHandler = npcHandler, onlyFocus = true, text = 'Do you want to sail to Darashia for 200 gold coins?'})
        	travelNode:addChildKeyword({'yes'}, StdModule.travel, {npcHandler = npcHandler, premium = true, level = 0, cost = 200, destination = {x=33289, y=32480, z=6} })
        	travelNode:addChildKeyword({'no'}, StdModule.say, {npcHandler = npcHandler, onlyFocus = true, reset = true, text = 'Then stay here!'})
        
	local travelNode = keywordHandler:addKeyword({'ankrahmun'}, StdModule.say, {npcHandler = npcHandler, onlyFocus = true, text = 'Do you want to sail to Ankrahmun for 90 gold coins?'})
        	travelNode:addChildKeyword({'yes'}, StdModule.travel, {npcHandler = npcHandler, premium = true, level = 0, cost = 90, destination = {x=33092, y=32883, z=6} })
        	travelNode:addChildKeyword({'no'}, StdModule.say, {npcHandler = npcHandler, onlyFocus = true, reset = true, text = 'Then stay here!'})

			
             keywordHandler:addKeyword({'sail'}, StdModule.say, {npcHandler = npcHandler, onlyFocus = true, text = 'I can take you to Thais, Venore, Ankrahmun, Darashia, Goroma and Meriana'})
        keywordHandler:addKeyword({'job'}, StdModule.say, {npcHandler = npcHandler, onlyFocus = true, text = 'I am the captain of this ship.'})
        keywordHandler:addKeyword({'travel'}, StdModule.say, {npcHandler = npcHandler, onlyFocus = true, text = 'I can only offer you a trip to Thais, Venore, Ankrahmun, Darashia, Goroma and Meriana.'})
        -- Makes sure the npc reacts when you say hi, bye etc.
        npcHandler:addModule(FocusModule:new())

Rep for all, Thanks!