Lua error when installing chat edits or switching tabs

[Lukko-Dai]

Only addons installed are FreeUI after a clean WoW install.

Message: Interface\AddOns\FreeUI\scripts\chat.lua:116: attempt to call method 'GetCurrentScroll' (a nil value)
Time: 11/29/16 03:47:32
Count: 1
Stack: Interface\AddOns\FreeUI\scripts\chat.lua:116: in function <Interface\AddOns\FreeUI\scripts\chat.lua:115>
[C]: ?
[C]: in function originalShow' Interface\FrameXML\FrameLocks.lua:94: in function <Interface\FrameXML\FrameLocks.lua:72> Interface\FrameXML\FrameLocks.lua:107: in function <Interface\FrameXML\FrameLocks.lua:100> Interface\FrameXML\FrameLocks.lua:129: in function Show'
Interface\FrameXML\ChatFrame.lua:2708: in function ChatFrame_ConfigEventHandler' Interface\FrameXML\ChatFrame.lua:2668: in function ChatFrame_OnEvent'
[string ":OnEvent"]:1: in function <[string ":OnEvent"]:1>

Locals: f = ChatFrame2 {
0 =
RefreshIfNecessary = defined =[C]:-1
OnPostShow = defined =[C]:-1
GetNumVisibleLines = defined =[C]:-1
ScrollUp = defined =[C]:-1
SetTimeVisible = defined =[C]:-1
hasOwnFontObject = true
OnFontObjectUpdated = defined =[C]:-1
resizeButton = ChatFrame2ResizeButton {
}
GetFading = defined =[C]:-1
Clear = defined =[C]:-1
shouldFadeAfterInactivity = false
SetIndentedWordWrap = defined =[C]:-1
GetTimeVisible = defined =[C]:-1
GetJustifyV = defined =[C]:-1
SetFont = defined =[C]:-1
GetMaxLines = defined =[C]:-1
Show = defined @interface\FrameXML\FrameLocks.lua:128
BackFillMessage = defined =[C]:-1
UnpackageEntry = defined =[C]:-1
FontStringContainer = {
}
SetShadowOffset = defined =[C]:-1
messageTypeList =

{
}
GetFont = defined =[C]:-1
SetMaxLines = defined =[C]:-1
timeVisibleSecs = 120
PageUp = defined =[C]:-1
RefreshDisplay = defined =[C]:-1
SetFontObject = defined =[C]:-1
reskinned = true
MakeFontObjectCustom = defined =[C]:-1
CalculateNumVisibleLines = defined =[C]:-1
fontObject = table: 0000005C6CE9E0A0 {
}
overrideFadeTimestamp = 0
SetInsertMode = defined =[C]:-1
MarkDisplayDirty = defined =[C]:-1
GetMessageInfo = defined =[C]:-1
ScrollDown = defined =[C]:-1
AtTop = defined =[C]:-1
GetFontObject = defined =[C]:-1
zoneChannelList = {
}
SetScrollOffset = defined =[C]:-1
fontStringPool = {
}
isStaticDocked = true
channelList = {
}
CanEffectivelyFade = defined =[C]:-1
originalHide = defined =[C]:-1
originalShow = defined =[C]:-1
insertMode = 2
buttonSide = "left"
OnPreSizeChanged = defined =[C]:-1
GetInsertMode = defined =[C]:-1
GetScrollOffset = defined =[C]:-1
GetIndentedWordWrap = defined =[C]:-1
PackageEntry = defined =[C]:-1
Hide = defined @interface\FrameXML\FrameLocks.lua:124
GetTextColor = defined =[C]:-1
tellTimer = 617613.324
ResetAllFadeTimes = defined =[C]:-1
flashTimer = 0
isLayoutDirty = true
GetSpacing = defined =[C]:-1
OnPreLoad = defined =[C]:-1
isDisplayDirty = true
visibleLines = {
}
SetSpacing = defined =[C]:-1
name = "Combat Log"
ScrollToTop = defined =[C]:-1
fadeDurationSecs = 3
historyBuffer = {
}
AdjustMessageColors = defined =[C]:-1
GetNumMessages = defined =[C]:-1
RefreshLayout = defined =[C]:-1
GetShadowColor = defined =[C]:-1
ScrollToBottom = defined =[C]:-1
AddMessage = defined @interface\AddOns\FreeUI\scripts\chat.lua:70
GetJustifyH = defined =[C]:-1
OnPostUpdate = defined =[C]:-1
PageDown = defined =[C]:-1
GetMaxScrollRange = defined =[C]:-1
SetJustifyH = defined =[C]:

[rodneycheung]

exactly have the same problem