Prepatch errors on launch

[OnslaughtOCE]

Interface\AddOns\AstralKeys\Character Info.lua:49: attempt to index field '?' (a nil value)
[string "@interface\AddOns\AstralKeys\Character Info.lua"]:49: in function GetCharacterBestLevel' [string "@Interface\AddOns\AstralKeys\Key Information.lua"]:18: in function method'
[string "@interface\AddOns\AstralKeys\Events.lua"]:84: in function <Interface\AddOns\AstralKeys\Events.lua:80>
id = false
(*temporary) = nil
(*temporary) = "attempt to index field '?' (a nil value)"