["message"] = "Ludwig_Window\dropdowns.lua:120: attempt to index field '?' (a nil value)\nInterface\FrameXML\UIDropDownMenu.lua:69: in function UIDropDownMenu_Initialize':\nLudwig_Window\\dropdowns.lua:15: in function <Interface\\AddOns\\Ludwig_Window\\dropdowns.lua:7>\n(tail call): ?:\nLudwig_Window\\frame.lua:108: in functionStartup'\nLudwig_Window\frame.lua:249: in main chunk\n: in function LoadAddOn'\nLudwig-4.1.beets\\Ludwig.lua:56: in function <Interface\\AddOns\\Ludwig\\Ludwig.lua:54>\nLudwig-4.1.beets\\Ludwig.lua:60: in functionLoadWindow'\nLudwig-4.1.beets\Ludwig.lua:14: in function ToggleSearchFrame'\nLudwig-4.1.beets\\slash.lua:26: in functionvalue'\nInterface\FrameXML\ChatFrame.lua:4242: in function ChatEdit_ParseText':\nInterface\\FrameXML\\ChatFrame.lua:3832: in functionChatEdit_SendText':\nInterface\FrameXML\ChatFrame.lua:3870: in function ChatEdit_OnEnterPressed':\n<string>:\"*:OnEnterPressed\":1: in function <[string \"*:OnEnterPressed\"]:1>\n<in C code>: ?\n", ["type"] = "error", ["time"] = "2011/05/19 18:39:34", ["locals"] = "frame = LudwigFrameCategory {\n AddItem = <function> defined @Interface\\AddOns\\Ludwig_Window\\dropdowns.lua:22\n ClickItem = <function> defined @Interface\\AddOns\\Ludwig_Window\\dropdowns.lua:38\n default = \"All\"\n initialize = <function> defined @Interface\\AddOns\\Ludwig_Window\\dropdowns.lua:95\n 0 = <userdata>\n onClick = <function> defined @Interface\\AddOns\\Ludwig_Window\\dropdowns.lua:82\n UpdateText = <function> defined @Interface\\AddOns\\Ludwig_Window\\dropdowns.lua:49\n}\ninitFunction = <function> defined @Interface\\AddOns\\Ludwig_Window\\dropdowns.lua:95\ndisplayMode = nil\nlevel = nil\nmenuList = nil\n", ["session"] = 2705, ["counter"] = 1, }, -- [992] { ["message"] = { "Ludwig_Window\\frame.lua:186: attempt to index local 'buttons' (a nil value)\nLudwig_Window\\frame.lua:140: in function <Interface\\AddOns\\Ludwig_Window\\frame.lua:138>\n<in C code>: in functionShow'\nInterface\FrameXML\UIParent.lua:1494: in function SetUIPanel':\nInterface\\FrameXML\\UIParent.lua:1338: in functionShowUIPanel':\nInterface\FrameXML\UIParent.lua:1225: in function <Interface\FrameXML\UIParent.lua:1221>:\n: in function SetAttribute'\nInterface\\FrameXML\\UIParent.lua:1929: in functionShowUIPanel':\nLudwig_Window\frame.lua:134: in function Toggle'\nLudwig-4.1.beets\\Ludwig.lua:15: in functionToggleSearchFrame'\nLudwig-4.1.beets\slash.lua:26: in function value'\nInterface\\FrameXML\\ChatFrame.lua:4242: in functionChatEdit_ParseText':\nInterface\FrameXML\ChatFrame.lua:3832: in function ChatEdit_SendText':\nInterface\\FrameXML\\ChatFrame.lua:3870: in functionChatEdit_OnEnterPressed':\n:":OnEnterPressed":1: in function <[string ":OnEnterPressed"]:", -- [1]
"1>\n: ?\n", -- [2]
},
["type"] = "error",
["time"] = "2011/05/19 18:39:35",
["locals"] = "self = LudwigFrame {\n 0 = \n quality = LudwigFrameQuality {\n }\n OnShow = defined @interface\AddOns\Ludwig_Window\frame.lua:138\n DelayUpdate = defined @interface\AddOns\Ludwig_Window\frame.lua:158\n OnHide = defined @interface\AddOns\Ludwig_Window\frame.lua:143\n maxLevel = LudwigFramemaxLevel {\n }\n Update = defined @interface\AddOns\Ludwig_Window\frame.lua:167\n minLevel = LudwigFrameminLevel {\n }\n GetFilter = defined @interface\AddOns\Ludwig_Window\frame.lua:231\n search = LudwigFramesearch {\n }\n title = LudwigFrameTitle {\n }\n ScheduleUpdate = defined @interface\AddOns\Ludwig_Window\frame.lua:153\n SetFilter = defined @interface\AddOns\Ludwig_Window\frame.lua:219\n ClearFilters = defined @interface\AddOns\Ludwig_Window\frame.lua:235\n Toggle = defined @interface\AddOns\Ludwig_Window\frame.lua:130\n scrollFrame = LudwigFrameScrollFrame {\n }\n}\n",
["session"] = 2705,
["counter"] = 1,
}, -- [993]

I think I fixed this a while ago