LUA:local mod = Chatter:NewModule("Opacity Change")local L = LibStub("AceLocale-3.0"):GetLocale("Chatter")mod.modName = L["Opacity Change"]mod.toggleLabel = L["Opacity Change"]local defaults = { profile = { opacity = 1 }}local options = { opacity = { type = "range", name = L["Chat opacity"], desc = L["Changes the chatbox opacity"], min = 0, max = 1, step = 0.1, bigStep = 0.2, get = function() return mod.db.profile.opacity end, set = function(info, v) mod.db.profile.opacity = v mod:SetOpacity(nil,v) end }}function mod:OnIntialize() self.db = Chatter.db:RegisterNamespace("ChatOpacity", defaults) for i = 1, NUM_CHAT_WINDOWS do local cf = _G["ChatFrame" .. i] endendfunction mod:SetOpacity(cf, opac) if cf then self:ChangeOpacity(cf,opac) else for i = 1, NUM_CHAT_WINDOWS do cf = _G["ChatFrame" .. i] self:ChangeOpacity(cf,opac) end endendfunction mod:ChangeOpacity(cf,opac) -- cf:SetAlpha(opac)endfunction mod:OnEnable() self:SetOpacity()endfunction mod:OnDisable() self:SetOpacity(nil,1)endfunction mod:GetOptions() return optionsendfunction mod:Info() return L["Changes the global opacity of the chatbox"]endERROR OUTPUT:1. Chatter-1.0\Modules\ChatOpacity.lua:19: attempt to index field 'db' (a nil value)AceConfigDialog-3.0\AceConfigDialog-3.0.lua:241: in function <...nfig-3.0\AceConfigDialog-3.0\AceConfigDialog-3.0.lua:190>AceConfigDialog-3.0\AceConfigDialog-3.0.lua:999: in function <...nfig-3.0\AceConfigDialog-3.0\AceConfigDialog-3.0.lua:924>AceConfigDialog-3.0\AceConfigDialog-3.0.lua:1287: in function `FeedGroup'AceConfigDialog-3.0\AceConfigDialog-3.0.lua:1208: in function <...nfig-3.0\AceConfigDialog-3.0\AceConfigDialog-3.0.lua:1187>(tail call): ?:<in C code>: ?<string>:"safecall Dispatcher[3]":9: in function <[string "safecall Dispatcher[3]"]:5>(tail call): ?:AceGUI-3.0\AceGUI-3.0.lua:217: in function `Fire'...s\Ace3\AceGUI-3.0\widgets\AceGUIWidget-TreeGroup.lua:396: in function `SetSelected':...s\Ace3\AceGUI-3.0\widgets\AceGUIWidget-TreeGroup.lua:103: in function <...s\Ace3\AceGUI-3.0\widgets\AceGUIWidget-TreeGroup.lua:99>: