cata lua error for floating combat text tab (its blank in the GUI)

[Optimizer2347]

1x ...nfig-3.0/AceConfigDialog-3.0-87/AceConfigDialog-3.0.lua:1857: AceConfigRegistry-3.0-21:ValidateOptionsTable(): AdvancedInterfaceOptions_FloatingCombatText.args.floatingCombatTextCombatLogPeriodicSpells.name: expected a string or funcref, got 'nil'
[string "=[C]"]: ?
[string "@AdvancedInterfaceOptions/libs/AceConfig-3.0-3/AceConfigRegistry-3.0-21/AceConfigRegistry-3.0.lua"]:50: in function <...-3.0/AceConfigRegistry-3.0/AceConfigRegistry-3.0.lua:45>
[string "@AdvancedInterfaceOptions/libs/AceConfig-3.0-3/AceConfigRegistry-3.0-21/AceConfigRegistry-3.0.lua"]:211: in function <...-3.0/AceConfigRegistry-3.0/AceConfigRegistry-3.0.lua:206>
[string "@AdvancedInterfaceOptions/libs/AceConfig-3.0-3/AceConfigRegistry-3.0-21/AceConfigRegistry-3.0.lua"]:245: in function <...-3.0/AceConfigRegistry-3.0/AceConfigRegistry-3.0.lua:220>
[string "@AdvancedInterfaceOptions/libs/AceConfig-3.0-3/AceConfigRegistry-3.0-21/AceConfigRegistry-3.0.lua"]:255: in function <...-3.0/AceConfigRegistry-3.0/AceConfigRegistry-3.0.lua:220>
[string "@AdvancedInterfaceOptions/libs/AceConfig-3.0-3/AceConfigRegistry-3.0-21/AceConfigRegistry-3.0.lua"]:283: in function ValidateOptionsTable' [string "@AdvancedInterfaceOptions/libs/AceConfig-3.0-3/AceConfigRegistry-3.0-21/AceConfigRegistry-3.0.lua"]:325: in function app'
[string "@AdvancedInterfaceOptions/libs/AceConfig-3.0-3/AceConfigDialog-3.0-87/AceConfigDialog-3.0.lua"]:1857: in function Open' [string "@AdvancedInterfaceOptions/libs/AceConfig-3.0-3/AceConfigDialog-3.0-87/AceConfigDialog-3.0.lua"]:1950: in function <...nfig-3.0/AceConfigDialog-3.0/AceConfigDialog-3.0.lua:1948> [string "=[C]"]: ? [string "@AdvancedInterfaceOptions/libs/AceGUI-3.0-41/AceGUI-3.0.lua"]:66: in function <...ancedInterfaceOptions/libs/AceGUI-3.0/AceGUI-3.0.lua:64> [string "@AdvancedInterfaceOptions/libs/AceGUI-3.0-41/AceGUI-3.0.lua"]:300: in function Fire'
[string "@AdvancedInterfaceOptions/libs/AceGUI-3.0-41/widgets/AceGUIContainer-BlizOptionsGroup.lua"]:20: in function <...GUI-3.0/widgets/AceGUIContainer-BlizOptionsGroup.lua:19>
[string "=[C]"]: in function Show' [string "@Blizzard_Settings_Shared/Blizzard_SettingsPanel.lua"]:862: in function DisplayLayout'
[string "@Blizzard_Settings_Shared/Blizzard_SettingsPanel.lua"]:807: in function DisplayCategory' [string "@Blizzard_Settings_Shared/Blizzard_SettingsPanel.lua"]:749: in function <.../Blizzard_Settings_Shared/Blizzard_SettingsPanel.lua:742> [string "=[C]"]: ? [string "@Blizzard_SharedXMLBase/CallbackRegistry.lua"]:144: in function <...eBlizzard_SharedXMLBase/CallbackRegistry.lua:143> [string "=[C]"]: ? [string "@Blizzard_SharedXMLBase/CallbackRegistry.lua"]:147: in function TriggerEvent'
[string "@Blizzard_Settings_Shared/Blizzard_CategoryList.lua"]:152: in function <...s/Blizzard_Settings_Shared/Blizzard_CategoryList.lua:150>

Locals:
(*temporary) = "AceConfigRegistry-3.0:ValidateOptionsTable(): AdvancedInterfaceOptions_FloatingCombatText.args.floatingCombatTextCombatLogPeriodicSpells.name: expected a string or funcref, got 'nil'"