closebutton makes script errors

[gbeorg23]

local closebutton = vgui.Create( "DButton", self )
closebutton:SetText( "X" )
closebutton:SetSize( 25, 25)
closebutton:SetPos( self:GetSize() - 81, 6 )
closebutton.Paint = function( self, w, h )
surface.SetDrawColor(0,0,0,0)
surface.DrawRect( 0,0, w, h )
surface.DrawOutlinedRect( 2, 2, w-4, h-4)
end
closebutton.DoClick = function(self)
self:SetEnabled(false)
panel:AlphaTo(0,0.2,0,function()
panel:Remove()
end)
end

here is the error

[ERROR] addons/gay/lua/darkrp_modules/loadout/cl_stash.lua:28: attempt to index global 'self' (a nil value)
  1. unknown - addons/gay/lua/darkrp_modules/loadout/cl_stash.lua:28
   2. doInclude - [C]:-1
    3. loadModules - gamemodes/starwarsrp/gamemode/libraries/modificationloader.lua:102
     4. Call - gamemodes/starwarsrp/gamemode/libraries/modificationloader.lua:147
      5. unknown - gamemodes/starwarsrp/gamemode/cl_init.lua:53

the hell happend?

[SneakySquid]

'self' isn't defined when you set it's position. You should put this in PANEL:Init.

[gbeorg23]

Yep, no errors, but it doesnt show up