842x FrameSort/Collections/Comparer.lua:144: attempt to call method 'GetCachedInfo' (a nil value)
[string "@FrameSort/Collections/Comparer.lua"]:144: in function <FrameSort/Collections/Comparer.lua:120>
[string "=(tail call)"]: ?
[string "=(tail call)"]: ?
[string "=(tail call)"]: ?
[string "=[C]"]: in function sort' [string "@FrameSort/Modules/Sorting/SecureNoCombat.lua"]:396: in function <FrameSort/Modules/Sorting/SecureNoCombat.lua:371> [string "@FrameSort/Modules/Sorting/SecureNoCombat.lua"]:577: in function <FrameSort/Modules/Sorting/SecureNoCombat.lua:537> [string "=(tail call)"]: ? [string "@FrameSort/Modules/Sorting/Sorting.lua"]:39: in function Run'
[string "@FrameSort/Modules/Runner.lua"]:72: in function callback' [string "@FrameSort/Scheduling/Scheduler.lua"]:61: in function RunWhenCombatEnds'
[string "@FrameSort/Modules/Runner.lua"]:67: in function `Run'
[string "@FrameSort/Modules/Runner.lua"]:52: in function <FrameSort/Modules/Runner.lua:47>

Locals:
leftToken = "party2"
rightToken = "party1"
isArena = nil
leftRole = nil
rightRole = nil
leftSpec = nil
rightSpec = nil
(*temporary) = nil
(*temporary) =

{
static_cache = {
}
debug = false
cache = {
}
RegisterCallback = defined @AdvancedInterfaceOptions/libs/CallbackHandler-1.0/CallbackHandler-1.0.lua:80
state = {
}
UnregisterCallback = defined @AdvancedInterfaceOptions/libs/CallbackHandler-1.0/CallbackHandler-1.0.lua:143
NotifyInspect = defined @FrameSort/Libs/LibGroupInSpecT/LibGroupInSpecT-1.1.lua:155
hooked = true
frame = LibGroupInSpecT-1.1_Frame {
}
events = {
}
UnregisterAllCallbacks = defined @AdvancedInterfaceOptions/libs/CallbackHandler-1.0/CallbackHandler-1.0.lua:164
}
(*temporary) = "Player-4669-00C08F58"
(*temporary) = "attempt to call method 'GetCachedInfo' (a nil value)"
CompareGroup = defined @FrameSort/Collections/Comparer.lua:75
wow = {
CompactRaidFrameManager_GetSetting = defined @Blizzard_CompactRaidFrames/Blizzard_CompactRaidFrameManager_Shared.lua:347
IsRetail = defined @FrameSort/WoW/WoW.lua:145
InterfaceOptions_AddCategory = defined @Blizzard_Settings_Shared/Blizzard_Deprecated.lua:4
InCombatLockdown = defined =[C]:-1
UnitGUID = defined =[C]:-1
MAX_RAID_MEMBERS = 40
GetLocale = defined =[C]:-1
CopyTable = defined @Blizzard_SharedXML/TableUtil.lua:236
UnitIsGroupLeader = defined =[C]:-1
IsInInstance = defined =[C]:-1
EditMacro = defined =[C]:-1
Enum = {
}
wipe = defined =[C]:-1
IsInGroup = defined =[C]:-1
InterfaceOptionsFramePanelContainer = InterfaceOptionsFramePanelContainer {
}
UnitInRaid = defined =[C]:-1
SettingsPanel = SettingsPanel {
}
issecurevariable = defined =[C]:-1
C_PvP = {
}
RegisterAttributeDriver = defined @Blizzard_FrameXML/SecureStateDriver.lua:8
GetCVarBool = defined @Blizzard_SharedXML/CvarUtil.lua:29
UnitGroupRolesAssigned = defined =[C]:-1
GetCVar = defined @Blizzard_SharedXML/CvarUtil.lua:17
EventRegistry = {
}
UnregisterStateDriver = defined @Blizzard_FrameXML/SecureStateDriver.lua:30
CompactRaidFrameContainer_SetFlowSortFunction = defined @Blizzard_CompactRaidFrames/Blizzard_CompactRaidFrameContainer.lua:91
GetAddOnMetadata = defined =[C]:-1
EditModeManagerFrame = {
}
SecureHandlerWrapScript = defined @Blizzard_FrameXML/SecureHandlers.lua:647
Settings = {
}
IsClassic = defined @FrameSort/WoW/WoW.lua:154
CreateFrame = defined @FrameSort/WoW/WoW.lua:263
strjoin = defined @FrameSort/WoW/WoW.lua:80
SlashCmdList = {
}
C_Timer = {
}
IsWotlkPrivate = defined @FrameSort/WoW/WoW.lua:157
GetNumGroupMembers = defined =[C]:-1
IsCata = defined @FrameSort/WoW/WoW.lua:151
UnregisterAttributeDriver = defined @Blizzard_FrameXML/SecureStateDriver.lua:16
GetRaidRosterInfo = defined =[C]:-1
MEMBERS_PER_RAID_GROUP = 5
GetUnitName = defined @Blizzard_UnitFrame/Classic/UnitFrame.lua:972
GetNumArenaOpponentSpecs = defined =[C]:-1
GetTimePreciseSec = defined =[C]:-1
IsWotlk = defined @FrameSort/WoW/WoW.lua:148
UnitName = defined =[C]:-1
Events = {
}
IsInRaid = defined =[C]:-1
InterfaceOptionsFrame_OpenToCategory = defined @Blizzard_Settings_Shared/Blizzard_Depr

thank you!

all addons disabled besides framesort here.

…

Could you please run the command below and send a screenshot of the output?

/tinspect LibStub:GetLibrary("LibGroupInSpecT-1.1")

…

Yeah that isn't right, but no idea how that's happened.

Could you try disabling every addon except FrameSort and run the command again?

It should look like this: