Error no log otclient

[Nubaza]

Hello otland,
i have some error in the log of my Otclient, please help me to fix it :c

This is the error:

    [C]: ?
    /game_extrapokebar/barpoke.lua:41: in function 'callback'
    /gamelib/protocolgame.lua:17: in function </gamelib/protocolgame.lua:14>
ERROR: protected lua call failed: LUA ERROR:
/game_extrapokebar/barpoke.lua:96: attempt to index a nil value
stack traceback:
    [C]: ?
    /game_extrapokebar/barpoke.lua:96: in function 'callback'
    /gamelib/protocolgame.lua:17: in function </gamelib/protocolgame.lua:14>
ERROR: protected lua call failed: LUA ERROR:
/game_extrapokebar/barpoke.lua:96: attempt to index a nil value
stack traceback:
    [C]: ?

game_extrapokebar/barpoke.lua

local OPCODE_POKEMONBAR = 150
local OPCODE_PERCENTLIFE = 151

local barPoke = nil
local icons = {}
-- Public functions
function init()
   barPoke = g_ui.displayUI('barpoke', modules.game_interface.getRootPanel())
   barPoke:setVisible(false)
   barPoke:move(250,100)

  ProtocolGame.registerExtendedOpcode(OPCODE_POKEMONBAR, atualizarBar)
  ProtocolGame.registerExtendedOpcode(OPCODE_PERCENTLIFE, onPokes)
   connect(g_game, { onGameEnd = hide } )
   connect(g_game, { onGameStart = show } )
   createIcons()
end
function terminate()
   disconnect(g_game, { onGameEnd = hide })
  ProtocolGame.unregisterExtendedOpcode(OPCODE_POKEMONBAR)
  ProtocolGame.unregisterExtendedOpcode(OPCODE_PERCENTLIFE)

   barPoke:destroy()
end
function atualizarBar(self, opcode, buffer)
if (buffer == 'BarClosed') then hide() return true end
if buffer == nil then return true end
if string.find(buffer, 'Pokebar') then
local talk = "/pokamon"
show()
cleanAllPokes()
local t = string.explode(buffer, "/")
for i= 2, #t do
x= i-1
local poke = t[i]
local zafrada = i-1
local progress = icons['Icon'..x].progress
changeIconPoke(x, poke)
progress.onClick = function() g_game.talk(talk.." "..poke..""..zafrada.."")
end
end
end
end
function changeIconPoke(i, poke)
if not g_game.isOnline() then return end
   local icon = icons['Icon'..i].icon
local image = "/data/pokes/"..poke..".png"
   icon:setImageSource(image)
end
function createIcons()
   local d = 50
   local image = "/data/pokes/portait.png"
   for i = 1, 6 do
      local icon = g_ui.createWidget('IconPoke', barPoke)
      local icon1 = g_ui.createWidget('HealthLabel', icon)
      local progress = g_ui.createWidget('Poke', barPoke)
      icon:setId('Icon'..i)
      progress:setId('Progress'..i)
      icons['Icon'..i] = {icon = icon, progress = progress, dist = (i == 20 and -5 or i == 2 and 50 or d + ((i-2)*38)), event = nil}
      icon:setMarginLeft(icons['Icon'..i].dist)
      icon:setImageSource(image)
      icon:setMarginTop(10)
      icon1:setMarginTop(31)
      icon1:setMarginLeft(-3)
      icon1:setId('HealthLabel'..i)
      progress:fill(icon:getId())
   end
end
function cleanAllPokes()
   local image = "/data/pokes/portait.png"
   for i = 1, 6 do
       local icon = icons['Icon'..i].icon
  local icon1 = barPoke:recursiveGetChildById('HealthLabel'..i)
       icon.onClick = function() end
      icon:setImageSource(image)
     local progress = icons['Icon'..i].progress
     progress.onClick = function() g_game.talk("") end
     icon1:hide()
end            
end
function onPokes(self, opcode, buffer)
if buffer == nil then return true end
if string.find(buffer, '#life#') then
    local t = buffer:explode(',')
    table.remove(t, 1)
    for i = 1, #t do
                barPoke:recursiveGetChildById('HealthLabel'..i):show()

        barPoke:recursiveGetChildById('HealthLabel'..i):setText(t[i]..'%')
           if t[i] == "0" then
            barPoke:recursiveGetChildById('HealthLabel'..i):setText("KO")
            end

                local PokemonBars = barPoke:recursiveGetChildById('HealthLabel'..i)
                if t[i] == "100" then
                   PokemonBars:setColor('#21AB28')
                elseif t[i] >= "75" then
                       PokemonBars:setColor('#1FDB28')
            elseif t[i] >= "50" then
                        PokemonBars:setColor('#F0A00C')
            elseif t[i] >= "25" then
                        PokemonBars:setColor('#EDF00C')
            elseif t[i] >= "10" then
                        PokemonBars:setColor('#F00F0B')
            elseif t[i] == "0" then
                     PokemonBars:setColor("#969696")
                end
    end
end
end
function hide()
   barPoke:setVisible(false)
end
function show()
   barPoke:setVisible(true)
end
-- End public functions

gamelib/protocolgame.lua

local opcodeCallbacks = {}
local extendedCallbacks = {}

function ProtocolGame:onOpcode(opcode, msg)
  for i, callback in pairs(opcodeCallbacks) do
    if i == opcode then
      callback(self, msg)
      return true
    end
  end
  return false
end

function ProtocolGame:onExtendedOpcode(opcode, buffer)
  local callback = extendedCallbacks[opcode]
  if callback then
    callback(self, opcode, buffer)
  end
end

function ProtocolGame.registerOpcode(opcode, callback)
  if opcodeCallbacks[opcode] then
    error('opcode ' .. opcode .. ' already registered will be overriden')
  end

  opcodeCallbacks[opcode] = callback
end

function ProtocolGame.unregisterOpcode(opcode)
  opcodeCallbacks[opcode] = nil
end

function ProtocolGame.registerExtendedOpcode(opcode, callback)
  if not callback or type(callback) ~= 'function' then
    error('Invalid callback.')
  end

  if opcode < 0 or opcode > 255 then
    error('Invalid opcode. Range: 0-255')
  end

  if extendedCallbacks[opcode] then
    error('Opcode is already taken.')
  end

  extendedCallbacks[opcode] = callback
end

function ProtocolGame.unregisterExtendedOpcode(opcode)
  if opcode < 0 or opcode > 255 then
    error('Invalid opcode. Range: 0-255')
  end

  if not extendedCallbacks[opcode] then
    error('Opcode is not registered.')
  end

  extendedCallbacks[opcode] = nil
end

Please help !