3x Interface/AddOns/XanChat/config.lua:679: attempt to call method 'setChatAlpha' (a nil value)
[string "@Interface/AddOns/XanChat/config.lua"]:679: in function `func'
[string "@Interface/AddOns/XanChat/config.lua"]:682: in function <Interface/AddOns/XanChat/config.lua:681>

Locals:
value = 0
(*temporary) = nil
(*temporary) = XanChat {
 0 = <userdata>
 UI_SCALE_CHANGED = <function> defined @Interface/AddOns/XanChat/xanChat.lua:2000
 IsRetail = true
 UnregisterAllEvents = <function> defined @Interface/AddOns/Alts/Libs/CallbackHandler-1.0/CallbackHandler-1.0.lua:174
 OnBackdropLoaded = <function> defined @Interface/SharedXML/Backdrop.lua:152
 GetBackdropColor = <function> defined @Interface/SharedXML/Backdrop.lua:390
 filterList = XanChat_filterList {
 }
 IsClassic = false
 SetBackdropBorderColor = <function> defined @Interface/SharedXML/Backdrop.lua:422
 IsWLK_C = false
 SetBackdrop = <function> defined @Interface/SharedXML/Backdrop.lua:329
 ClearBackdrop = <function> defined @Interface/SharedXML/Backdrop.lua:282
 GetBackdropBorderColor = <function> defined @Interface/SharedXML/Backdrop.lua:409
 GetBackdrop = <function> defined @Interface/SharedXML/Backdrop.lua:347
 SetBorderBlendMode = <function> defined @Interface/SharedXML/Backdrop.lua:266
 playerList = <table> {
 }
 additionalSettings = XanChatAdditional SettingsPanel {
 }
 RegisterMessage = <function> defined @Interface/AddOns/Alts/Libs/CallbackHandler-1.0/CallbackHandler-1.0.lua:90
 UnregisterMessage = <function> defined @Interface/AddOns/Alts/Libs/CallbackHandler-1.0/CallbackHandler-1.0.lua:153
 stickyChannelsList = XanChat_stickyChannelsList {
 }
 aboutPanel = XanChatAboutPanel {
 }
 EnableAddon = <function> defined @Interface/AddOns/XanChat/xanChat.lua:1819
 copyFrame = Frame {
 }
 SetupTextureCoordinates = <function> defined @Interface/SharedXML/Backdrop.lua:214
 OnBackdropSizeChanged = <function> defined @Interface/SharedXML/Backdrop.lua:182
 HasBackdropInfo = <function> defined @Interface/SharedXML/Backdrop.lua:278
 SendMessage = <function> defined @Interface/AddOns/Alts/Libs/CallbackHandler-1.0/CallbackHandler-1.0.lua:59
 chkClassList = <table> {
 }
 isFilterListEnabled = true
 UpdateStickyChannels = <function> defined @Interface/AddOns/XanChat/stickychannels.lua:165
 GetEdgeSize = <function> defined @Interface/SharedXML/Backdrop.lua:188
 DoStickyChannelsList = <function> defined @Interface/AddOns/XanChat/stickychannels.lua:86
 EnableStickyChannelsList = <function> defined @Interface/AddOns/XanChat/stickychannels.lua:64
 RegisterEvent = <function> defined @Interface/AddOns/Alts/Libs/CallbackHandler-1.0/CallbackHandler-1.0.lua:90
 UnregisterAllMessages = <function> defined @Interface/AddOns/Alts/Libs/CallbackHandler-1.0/CallbackHandler-1.0.lua:174
 setDisableChatEnterLeaveNotice = <function> defined @Interface/AddOns/XanChat/xanChat.lua:1547
 searchFilterList = <function> defined @Interface/AddOns/XanChat/filter.lua:224
 DoFilterList = <function> defined @Interface/AddOns/XanChat/filter.lua:120
 configFrame = XanChat_config_eventFrame {
 }
 EnableFilterList = <function> defined @Interface/AddOns/XanChat/filter.lua:90
 setOutWhisperColor = <function> defined @Interface/AddOns/XanChat/xanChat.lua:1522
 SetupPieceVisuals = <function> defined @Interface/SharedXML/Backdrop.lua:246
 SetBackdropColor = <function> defined @Interface/SharedXML/Backdrop.lua:399
 UnregisterEvent = <function> defined @Interface/AddOns/Alts/Libs/CallbackHandler-1.0/CallbackHandler-1.0.lua:153
 ApplyBackdrop = <function> defined @Interface/SharedXML/Backdrop.lua:294
}
(*temporary) = "attempt to call method 'setChatAlpha' (a nil value)"
sliderChatAlpha = XanChat_config_slider_1 {
 0 = <userdata>
 sliderFunc = <function> defined @Interface/AddOns/XanChat/config.lua:684
 backdropInfo = <table> {
 }
 func = <function> defined @Interface/AddOns/XanChat/config.lua:674
 OnBackdropLoaded = <function> defined @Interface/SharedXML/Backdrop.lua:152
 currVal = FontString {
 }
 Center = Texture {
 }
 GetBackdropColor = <function> defined @Interface/SharedXML/Backdrop.lua:390
 SetupTextureCoordinates = <function> defined @Interface/SharedXML/Backdrop.lua:214
 OnBackdropSizeChanged = <function> defined @Interface/SharedXML/Backdrop.lua:182
 HasBackdropInfo = <function> defined @Interface/SharedXML/Backdrop.lua:278
 SetBackdropBorderColor = <function> defined @Interface/SharedXML/Bac