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## Interface: 20003
## Title: My Addon
## SavedVariables: Foo.Bar
Addon.lua

if not Foo then Foo = {}; end

Foo.LoadAddon = function()
	if not Foo.Bar then Foo.Bar = {}; end
	Foo.Bar.TestVar = "Test me!"
end

Foo.OnEvent = function()
	if event == "ADDON_LOADED" and arg1 == "Addon" then
		Foo.LoadAddon()
	end
end

local frame = CreateFrame("Frame")
frame:SetScript("OnEvent", Foo.OnEvent)
frame:RegisterEvent("ADDON_LOADED")

Foo.Bar = nil

WTF\Account\<Name>\SavedVariables\Addon.lua:2: attempt to index global 'Foo' (a nil value)

Foo = {
	Bar = nil
}

Addon.Table.Something.Else

Addon = {
	Table = {
		Something = {
			Else = nil
		}
	}
}