I joined Tol Barad battleground today and received this LUA spam non-stop:

2480x Cell/Indicators/Custom_Classic.lua:248: attempt to index field '?' (a nil value)
[string "@Cell/Indicators/Custom_Classic.lua"]:248: in function `ShowCustomIndicators'
[string "@Cell/RaidFrames/UnitButton_Cata.lua"]:1254: in function <Cell/RaidFrames/UnitButton_Cata.lua:1139>
[string "@Cell/RaidFrames/UnitButton_Cata.lua"]:1788: in function <Cell/RaidFrames/UnitButton_Cata.lua:1781>
[string "@Cell/RaidFrames/UnitButton_Cata.lua"]:2341: in function <Cell/RaidFrames/UnitButton_Cata.lua:2304>
[string "@Cell/RaidFrames/UnitButton_Cata.lua"]:2706: in function <Cell/RaidFrames/UnitButton_Cata.lua:2658>
[string "@Cell/RaidFrames/UnitButton_Cata.lua"]:2718: in function <Cell/RaidFrames/UnitButton_Cata.lua:2715>

Locals:
unitButton = CellRaidFrameHeader2UnitButton4 {
0 =
_debuffs_normal =

{
}
OnBackdropLoaded = defined @Blizzard_SharedXML/Backdrop.lua:152
GetBackdropColor = defined @Blizzard_SharedXML/Backdrop.lua:390
_debuffs_dispel = {
}
_debuffs_raid_orders = {
}
__updateElapsed = 0.149000
SetBackdropBorderColor = defined @Blizzard_SharedXML/Backdrop.lua:422
RightEdge = Texture {
}
__unitName = "Shaohua-Whitemane"
__unitGuid = "Player-4395-024068A6"
_debuffs_big = {
}
_debuffs_current = {
}
BottomLeftCorner = Texture {
}
ApplyBackdrop = defined @Blizzard_SharedXML/Backdrop.lua:294
SetBackdrop = defined @Blizzard_SharedXML/Backdrop.lua:329
ClearBackdrop = defined @Blizzard_SharedXML/Backdrop.lua:282
_indicatorReady = true
GetBackdropBorderColor = defined @Blizzard_SharedXML/Backdrop.lua:409
GetBackdrop = defined @Blizzard_SharedXML/Backdrop.lua:347
_debuffs_raid_shown = {
}
height = 55
TopLeftCorner = Texture {
}
powerSize = 2
BottomEdge = Texture {
}
SetBorderBlendMode = defined @Blizzard_SharedXML/Backdrop.lua:266
__tickCount = 0
indicators = {
}
fade = {
}
PixelSnapDisabled = true
unit = "raid9"
_buffs_cache = {
}
_debuffs_raid = {
}
orientation = "horizontal"
width = 90
Center = Texture {
}
OnBackdropSizeChanged = defined @Blizzard_SharedXML/Backdrop.lua:182
_debuffs_count_cache = {
}
SetupTextureCoordinates = defined @Blizzard_SharedXML/Backdrop.lua:214
_buffs_count_cache = {
}
TopRightCorner = Texture {
}
backdropInfo = {
}
GetEdgeSize = defined @Blizzard_SharedXML/Backdrop.lua:188
_buffs_current = {
}
HasBackdropInfo = defined @Blizzard_SharedXML/Backdrop.lua:278
TopEdge = Texture {
}
__displayedGuid = "Player-4395-024068A6"
_debuffs_glow_cache = {
}
widgets = {
}
_debuffs_raid_refreshing = {
}
_debuffs_cache = {
}
BottomRightCorner = Texture {
}
_debuffs_glow_current = {
}
SetupPieceVisuals = defined @Blizzard_SharedXML/Backdrop.lua:246
SetBackdropColor = defined @Blizzard_SharedXML/Backdrop.lua:399
LeftEdge = Texture {
}
states = {
}
}
auraType = "buff"
unit = "raid9"
(for generator) = defined =[C]:-1
(for state) = {
indicator9 = {
}
indicator3 = {
}
indicator1 = {
}
indicator6 = {
}
indicator10 = {
}
indicator8 = {
}
indicator7 = {
}
indicator2 = {
}
indicator5 = {
}
}
(for control) = "indicator10"
indicatorName = "indicator10"
indicatorTable = {
top = {
}
_auras = {
}
castBy = "me"
trackByName = true
topOrder = {
}
auras = {
}
}
indicator = nil
(*temporary) = nil
(*temporary) = nil
(*temporary) = nil
(*temporary) = nil
(*temporary) = nil
(*temporary) = nil
(*temporary) = nil
(*temporary) = nil
(*temporary) = nil
(*temporary) = nil
(*temporary) = nil
(*temporary) = nil
(*temporary) = nil
(*temporary) = "attempt to index field '?' (a nil value)"
customIndicators = {
debuff = {
}
buff = {
}
}
enabledIndicators = {
indicator5 = true
indicator7 = true
indicator10 = true
}
sort = defined =[C]:-1
comparator = defined @Cell/Indicators/Custom_Classic.lua:229