What steps will reproduce the problem?
1. Configuration of one layout per setup per character,
2.
3.

What is the expected output? What do you see instead?

What version of the product are you using?
PitBull4-r20090318173841

Do you have an error log of what happened?
{
["message"] = {
"PitBull4-r20090318173841
UnitFrame.lua:326: attempt to index local 'classification_db' (a nil value)\nPitBull4-r20090318173841
Main.lua:982: in function <Interface
AddOns
PitBull4
Main.lua:970>\n(tail call): ?:\nPitBull4-r20090318173841
Main.lua:825: in function `?'\nCallbackHandler-1.0-3 (Atlas):146: in function <Interface
AddOns
Atlas
Libs
CallbackHandler-1.0.lua:146>\n<string>:\"safecall Dispatcher[3]\":4: in function <[string \"safecall Dispatcher[3]\"]:4>\n<in C code>: ?\n<string>:\"safecall Dispatcher[3]\":13: in function `?'\nCallbackHandler-1.0-3 (Atlas):91: in function `Fire'\nAceDB-3.0-12 (AtlasLoot):377: in function `SetProfile'\nAceDBOptions-3.0-10:217: in function <...tonFacade
Libs
AceDBOptions-3.0
AceDBOptions-3.0.lua:216>\n(tail call): ?:\n<in C code>: ?\n<string>:\"safecall Dispatcher[3]\":9: in function <[string \"safecall Dispatcher[3]\"]:5>\n(tail call): ?:\nAceConfigDialog-3.0-26:778: in function <...nfig-3.0
AceConfigDialog-3.0
AceConfigDialog-3.0.lua:602>\n(tail call):", [1]
" ?:\n<in C code>: ?\n<string>:\"safecall Dispatcher[3]\":9: in function <[string \"safecall Dispatcher[3]\"]:5>\n(tail call): ?:\nAceGUI-3.0-19 (ButtonFacade):267: in function `Fire'\n...ade
Libs
AceGUI-3.0
widgets
AceGUIWidget-EditBox.lua:54: in function <...ade
Libs
AceGUI-3.0
widgets
AceGUIWidget-EditBox.lua:51>:\n...ade
Libs
AceGUI-3.0
widgets
AceGUIWidget-EditBox.lua:63: in function <...ade
Libs
AceGUI-3.0
widgets
AceGUIWidget-EditBox.lua:60>:\n\n -", [2]
},
["type"] = "error",
["time"] = "2009/03/18 17:09:35",
["session"] = 70,
["counter"] = 1,
}, [11]

Please provide any additional information below.

Please find included the bugsack.lua from my saved variables, I hope I am doing the right thing and not bothering you all with errors from others addons.