2x ...aceAdvancedInterfaceOptions/basicOptions.lua:110: AdvancedInterfaceOptions has already been added to the Blizzard Options Window with the given path
[string "=[C]"]: ?
[string "@AdvancedInterfaceOptions/libs/AceConfig-3.0-3/AceConfigDialog-3.0-87/AceConfigDialog-3.0.lua"]:2029: in function AddToBlizOptions' [string "@AdvancedInterfaceOptions/basicOptions.lua"]:110: in function ?'
[string "@AdvancedInterfaceOptions/semlib/eve.lua"]:19: in function <...rfaceAdvancedInterfaceOptions/semlib/eve.lua:16>
[string "@AdvancedInterfaceOptions/basicOptions.lua"]:69: in function ADDON_LOADED' [string "@AdvancedInterfaceOptions/basicOptions.lua"]:60: in function ?'
[string "@AdvancedInterfaceOptions/semlib/eve.lua"]:19: in function <...rfaceAdvancedInterfaceOptions/semlib/eve.lua:16>

Locals:
(*temporary) = "AdvancedInterfaceOptions has already been added to the Blizzard Options Window with the given path"

It also prevents you from purchasing more and requires an entire game restart.