WowAce

Every time the game loads, I get the following LUA error from GladiusEX:

Date: 2022-03-29 16:57:52
ID: 1
Error occured in: Global
Count: 1
Message: ...sEx\libs\LibGroupInSpecT-1.1\LibGroupInSpecT-1.1.lua line 166:
attempt to index field 'C_SpecializationInfo' (a nil value)
Debug:
[string "=[C]"]: ?
[string "@GladiusEx\libs\LibGroupInSpecT-1.1\LibGroupInSpecT-1.1.lua"]:166: in main chunk
Locals:

AddOns:
Swatter, v2.5.6773 (SwimmingSeadragon)
WowheadLooter, v20503
AdvancedInterfaceOptions, v1.7.0
Altoholic, v2.5.007
Atlas, vv1.50.04
AtlasBattlegrounds, vv1.50.01
AtlasBurningCrusade, vv1.50.02
AtlasClassicWoW, vv1.50.02
AtlasDungeonLocs, vv1.50.04
AtlasTransportation, vv1.50.07
AtlasLootClassic, vv2.4.1-bcc
AtlasLootClassicData, vv2.4.1-bcc
AtlasLootClassicDungeonsAndRaids, vv2.4.1-bcc
AtlasQuest, v4.12.83
Attune, v251
AucAdvanced, v2.5.6733 (SwimmingSeadragon)
AucFilterBasic, v2.5.6759 (SwimmingSeadragon)
AucStatHistogram, v2.5.6761 (SwimmingSeadragon)
AucStatiLevel, v2.5.6765 (SwimmingSeadragon)
AucStatPurchased, v2.5.6762 (SwimmingSeadragon)
AucStatSimple, v2.5.6763 (SwimmingSeadragon)
AucStatStdDev, v2.5.6764 (SwimmingSeadragon)
AucUtilFixAH, v2.5.6766 (SwimmingSeadragon)
BagBrother, v
Bagnon, v9.1.5
Bartender4, v4.11.1
BasicChatMods, vv9.2.2
BeanCounter, v2.5.6767 (SwimmingSeadragon)
BuffomatClassicTBC, v2022.3.4-5d60247e
Carbonite, v@project-version@
CarboniteNotes, v@project-version@
CarboniteQuests, v@project-version@
CarboniteSocial, v@project-version@
CarboniteWarehouse, v@project-version@
ClassicCastbars, vv1.4.4
ClassicWorldMapEnhanced, v1.2.23-Release
Dailies, v014
DataStore, v2.5.006
DataStoreAgenda, v2.5.006
DataStoreAuctions, v2.5.006
DataStoreCharacters, v2.5.006
DataStoreContainers, v2.5.006
DataStoreCrafts, v2.5.006
DataStoreInventory, v2.5.006
DataStoreMails, v2.5.006
DataStoreQuests, v2.5.006
DataStoreReputations, v2.5.006
DataStoreSpells, v2.5.006
DataStoreTalents, v2.5.006
DBMCore, vee7a996
DBMSoundEventsPack, v1.6.15
DBMStatusBarTimers, vee7a996
DBMVPVEM, v81c3e41
Decursive, v2.7.8.5
ElkBuffBars, v2.6.3-201
Enchantrix, v2.5.6768 (SwimmingSeadragon)
EnchantrixBarker, v2.5.6769 (SwimmingSeadragon)
EnhancedFlightMap, v3.2.0-TBC-Classic
ExRT, v4610
GatherMate2, v1.46.1-classic
GladiusEx, v
SlideBar, v2.5.6771 (SwimmingSeadragon)
Stubby, v2.5.6772 (SwimmingSeadragon)
BlizRuntimeLib_enUS v2.5.4.20504 <none>
(ck=826)

I get GetArenaOpponentSpec error and null errors when I load it in 2.5.4

Message: Interface\AddOns\GladiusEx\GladiusEx.lua:678: attempt to call global 'GetArenaOpponentSpec' (a nil value)
Time: Tue Apr 12 16:13:19 2022
Count: 1
Stack: Interface\AddOns\GladiusEx\GladiusEx.lua:678: attempt to call global 'GetArenaOpponentSpec' (a nil value)
[string "@Interface\AddOns\GladiusEx\GladiusEx.lua"]:678: in function `ARENA_PREP_OPPONENT_SPECIALIZATIONS'
[string "@Interface\AddOns\GladiusEx\GladiusEx.lua"]:660: in function `?'
[string "@Interface\AddOns\Bartender4\libs\CallbackHandler-1.0\CallbackHandler-1.0.lua"]:119: in function <...er4\libs\CallbackHandler-1.0\CallbackHandler-1.0.lua:119>
[string "=[C]"]: ?
[string "@Interface\AddOns\Bartender4\libs\CallbackHandler-1.0\CallbackHandler-1.0.lua"]:29: in function <...er4\libs\CallbackHandler-1.0\CallbackHandler-1.0.lua:25>
[string "@Interface\AddOns\Bartender4\libs\CallbackHandler-1.0\CallbackHandler-1.0.lua"]:64: in function `Fire'
[string "@Interface\AddOns\Bartender4\libs\AceEvent-3.0\AceEvent-3.0.lua"]:120: in function <...AddOns\Bartender4\libs\AceEvent-3.0\AceEvent-3.0.lua:119>

Locals: <none>

Check out 2.4/2.4.1