Chat Tabs error

[Out1aw]

11x nibRealUI\Modules\Chat\Tabs.lua:17: attempt to index local 'self' (a nil value)
nibRealUI\Modules\Chat\Tabs.lua:17: in function <nibRealUI\Modules\Chat\Tabs.lua:11>
nibRealUI\Modules\Chat\Tabs.lua:87: in function 'UpdateTabs'
nibRealUI\Modules\Chat\Tabs.lua:103: in function 'FCF_Tab_OnClick'
nibRealUI\Modules\Chat\Tabs.lua:113: in function <nibRealUI\Modules\Chat\Tabs.lua:110>
[C]:: in function 'FCF_Close'
FrameXML\FloatingChatFrame.lua:164: in function 'FloatingChatFrame_Update'
FrameXML\FloatingChatFrame.lua:60: in function 'FloatingChatFrame_OnLoad'
[string "*:OnLoad"]:2: in function <[string "*:OnLoad"]:1>
[C]:: in function 'FCF_OpenTemporaryWindow'
FrameXML\FloatingChatFrame.lua:2638: in function <FrameXML\FloatingChatFrame.lua:2613>

[Out1aw]

After update

13x nibRealUI\Modules\Chat\Tabs.lua:17: attempt to index local 'self' (a nil value)
nibRealUI\Modules\Chat\Tabs.lua:17: in function <nibRealUI\Modules\Chat\Tabs.lua:11>
nibRealUI\Modules\Chat\Tabs.lua:48: in function <nibRealUI\Modules\Chat\Tabs.lua:47>
nibRealUI\Modules\Chat\Tabs.lua:121: in function <nibRealUI\Modules\Chat\Tabs.lua:120>
[C]:: in function 'FCF_StartAlertFlash'
FrameXML\ChatFrame.lua:3323: in function <FrameXML\ChatFrame.lua:2931>
(tail call): ?
(tail call): ?
FrameXML\ChatFrame.lua:2721: in function 'ChatFrame_OnEvent'
[string "*:OnEvent"]:1: in function <[string "*:OnEvent"]:1