Got this today in Classic Cata while in Dal on my 85 Fire Mage while under BC>PVP>Season 6, nothing comes up at all

7x AtlasLootClassic/Data/Requirements.lua:5893: attempt to compare table with number
[string "@AtlasLootClassic/Data/Requirements.lua"]:5893: in function BuildClassString' [string "@AtlasLootClassic/Data/ItemSet.lua"]:1923: in function GetSetDescriptionString'
[string "@AtlasLootClassic/Button/Set_type.lua"]:69: in function OnSet' [string "@AtlasLootClassic/Button/Button.lua"]:767: in function SetType'
[string "@AtlasLootClassic/Button/Button.lua"]:734: in function SetContentTable' [string "@AtlasLootClassic/GUI/ItemFrame.lua"]:199: in function Refresh'
[string "@AtlasLootClassic/GUI/GUI.lua"]:196: in function <AtlasLootClassic/GUI/GUI.lua:48>
[string "@AtlasLootClassic/GUI/GUI.lua"]:1044: in function ButtonOnClick' [string "@AtlasLootClassic/GUI/Template_Select.lua"]:90: in function SetSelected'
[string "@AtlasLootClassic/GUI/Template_Select.lua"]:137: in function SetData' [string "@AtlasLootClassic/GUI/GUI.lua"]:981: in function ButtonOnClick'
[string "@AtlasLootClassic/GUI/Template_Select.lua"]:90: in function SetSelected' [string "@AtlasLootClassic/GUI/Template_Select.lua"]:137: in function SetData'
[string "@AtlasLootClassic/GUI/GUI.lua"]:938: in function ButtonOnClick' [string "@AtlasLootClassic/GUI/Template_DropDown.lua"]:159: in function SetSelected'
[string "@AtlasLootClassic/GUI/Template_DropDown.lua"]:230: in function <...ceAtlasLootClassic/GUI/Template_DropDown.lua:228>

Locals:
classBit =

{
1 = {
}
2 = {
}
3 = {
}
4 = {
}
}
(*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 compare table with number"
ClassStrings = {
1 = "|TInterface\AddOns\AtlasLootClassic\Images\Icons\classicon_warrior:0|t "
2 = "|TInterface\AddOns\AtlasLootClassic\Images\Icons\classicon_paladin:0|t "
4 = "|TInterface\AddOns\AtlasLootClassic\Images\Icons\classicon_hunter:0|t "
64 = "|TInterface\AddOns\AtlasLootClassic\Images\Icons\classicon_shaman:0|t "
256 = "|TInterface\AddOns\AtlasLootClassic\Images\Icons\classicon_warlock:0|t "
1024 = "|TInterface\AddOns\AtlasLootClassic\Images\Icons\classicon_druid:0|t "
32 = "|TInterface\AddOns\AtlasLootClassic\Images\Icons\classicon_deathknight:0|t "
128 = "|TInterface\AddOns\AtlasLootClassic\Images\Icons\classicon_mage:0|t "
16 = "|TInterface\AddOns\AtlasLootClassic\Images\Icons\classicon_priest:0|t "
8 = "|TInterface\AddOns\AtlasLootClassic\Images\Icons\classicon_rogue:0|t "
}
CLASS_SORT = {
1 = "WARRIOR"
2 = "PALADIN"
3 = "HUNTER"
4 = "ROGUE"
5 = "PRIEST"
6 = "DEATHKNIGHT"
7 = "SHAMAN"
8 = "MAGE"
9 = "WARLOCK"
10 = "DRUID"
}
bit_band = defined =[C]:-1
CLASS = {
HUNTER = 4
WARRIOR = 1
PALADIN = 2
MAGE = 128
PRIEST = 16
WARLOCK = 256
SHAMAN = 64
DRUID = 1024
DEATHKNIGHT = 32
ROGUE = 8
}
format = defined =[C]:-1
TEXTURE_STRING = "|T%s:0|t "
CLASS_ICON_PATH = {
HUNTER = "Interface\AddOns\AtlasLootClassic\Images\Icons\classicon_hunter"
WARRIOR = "Interface\AddOns\AtlasLootClassic\Images\Icons\classicon_warrior"
PALADIN = "Interface\AddOns\AtlasLootClassic\Images\Icons\classicon_paladin"
MAGE = "Interface\AddOns\AtlasLootClassic\Images\Icons\classicon_mage"
PRIEST = "Interface\AddOns\AtlasLootClassic\Images\Icons\classicon_priest"
WARLOCK = "Interface\AddOns\AtlasLootClassic\Images\Icons\classicon_warlock"
DEATHKNIGHT = "Interface\AddOns\AtlasLootClassic\Images\Icons\classicon_deathknight"
DRUID = "Interface\AddOns\AtlasLootClassic\Images\Icons\classicon_druid"
SHAMAN = "Interface\AddOns\AtlasLootClassic\Images\Icons\classicon_shaman"
ROGUE = "Interface\AddOns\AtlasLootClassic\Images\Icons\classicon_rogue"
}