Error while running the chunk
  /Mods/Addons/TestAddon/Scripts/ScriptMain.lua:19: attempt to call method 'PushBack' (a nil value)
  func: PushBack, method, line: -1, defined: C, line: -1, [C]
    func: Init, global, line: 19, defined: Lua, line: 11, /Mods/Addons/TestAddon/Scripts/ScriptMain.lua
      func: ?, ?, line: 27, defined: main, line: 0, /Mods/Addons/TestAddon/Scripts/ScriptMain.lua
[17:49:38][UserAddon/TestAddon:  (build 0)]Error: Can't execute script: Mods/Addons/TestAddon/Scripts/ScriptMain.lua for addon: Mods/Addons/TestAddon/AddonDesc.(UIAddon).xdb