Settings window won't display, throws an error.

[darthInvad0r]

3x Gathering/Elements/Interface.lua:1875: attempt to call global 'GetAddOnMetadata' (a nil value)
[string "@Gathering/Elements/Interface.lua"]:1875: in function `CreateGUI'
[string "@Gathering/Elements/Commands.lua"]:9: in function `?'
[string "@Blizzard_ChatFrameBase/Mainline/ChatFrame.lua"]:5479: in function `ChatEdit_ParseText'
[string "@Blizzard_ChatFrameBase/Mainline/ChatFrame.lua"]:5131: in function `ChatEdit_SendText'
[string "@Blizzard_ChatFrameBase/Mainline/ChatFrame.lua"]:5167: in function <Blizzard_ChatFrameBase/Mainline/ChatFrame.lua:5163>
[string "=[C]"]: in function `ChatEdit_OnEnterPressed'
[string "*ChatFrame.xml:140_OnEnterPressed"]:1: in function <[string "*ChatFrame.xml:140_OnEnterPressed"]:1>

Locals:
self = Gathering_Header {
 Ignored = <table> {
 }
 RightEdge = Texture {
 }
 GoldGained = 0
 MouseIsOver = false
 SessionStats = <table> {
 }
 SentGroup = false
 Seconds = 110
 SharedMedia = <table> {
 }
 Tabs = <table> {
 }
 LastMax = 366835
 Gathered = <table> {
 }
 GameVersion = 110002
 DefaultSettings = <table> {
 }
 Initial = true
 ExPatrons = <table> {
 }
 GUI = Gathering Settings {
 }
 Windows = <table> {
 }
 XPStartTime = 495516.056000
 XPGained = 27368
 LastXP = 48490
 Center = Texture {
 }
 GoldValue = 17553453
 Elapsed = 0.032000
 Tooltip = Gathering Tooltip {
 }
 LastYell = 0
 GoldTimer = 0
 LeftEdge = Texture {
 }
 BottomEdge = Texture {
 }
 TopEdge = Texture {
 }
 BottomLeftCorner = Texture {
 }
 BottomRightCorner = Texture {
 }
 TopRightCorner = Texture {
 }
 TopLeftCorner = Texture {
 }
 BlankTexture = "Interface\AddOns\Gathering\Assets\HydraUIBlank.tga"
 PixelSnapDisabled = true
 backdropInfo = <table> {
 }
 Settings = <table> {
 }
 Int = 1
 Fonts = <table> {
 }
 Donors = <table> {
 }
 Patrons = <table> {
 }
 TotalGathered = 0
 Textures = <table> {
 }
 Me = "Melioidosis"
 Text = FontString {
 }
 SentInstance = false
 TrackedItemTypes = <table> {
 }
 BarTexture = "Interface\AddOns\Gathering\Assets\HydraUI4.tga"
}
(*temporary) = FontString {
}
(*temporary) = "|cffFFC44DGathering|r "
(*temporary) = nil
(*temporary) = "Gathering"
(*temporary) = "Version"
(*temporary) = "attempt to call global 'GetAddOnMetadata' (a nil value)"
Outline = <table> {
 bgFile = "Interface\AddOns\Gathering\Assets\HydraUIBlank.tga"
}
SharedMedia = <table> {
 OverrideMedia = <table> {
 }
 callbacks = <table> {
 }
 LOCALE_BIT_zhTW = 8
 LOCALE_BIT_ruRU = 2
 MediaType = <table> {
 }
 LOCALE_BIT_western = 128
 MediaTable = <table> {
 }
 LOCALE_BIT_zhCN = 4
 DefaultMedia = <table> {
 }
 MediaList = <table> {
 }
 LOCALE_BIT_koKR = 1
}