2x [string "--[==[ Error in 'Av_AutoSpellQueueWindow' ]..."]:17: bad argument #2 to 'format' (string expected, got nil)
[string "--[==[ Error in 'Av_AutoSpellQueueWindow' ]==] return function(event)
    -- gather info
    local specID, specName = GetSpecializationInfo(GetSpecialization())
    local class, classFileName = UnitClass("player")
    local classColor = ("|c%s%s"):format(RAID_CLASS_COLORS[classFileName].colorStr, class)
    local nagMessage = "Av's SpellQueueWindow: Set to %s: %s (%i)"

    -- handle events
    if event == "PLAYER_ENTERING_WORLD" or event == "ACTIVE_TALENT_GROUP_CHANGED" then

        -- we always update SQW
        local specSQW = aura_env.config[classFileName][tostring(specID)]
        SetCVar("SpellQueueWindow", tonumber(specSQW))

        -- but only tell the player about it, if we actually changed specs
        if (aura_env.LastSpecID ~= specID) then
            print(nagMessage:format(classColor, specName, specSQW))
            aura_env.LastSpecID = specID
        end
    elseif event == "PLAYER_LOGOUT" then
        -- reset SQW to default on logout
        SetCVar("SpellQueueWindow", 400)
    end
end"]:17: in function <[string "--[==[ Error in 'Av_AutoSpellQueueWindow' ]..."]:1>
[string "=[C]"]: in function `xpcall'
[string "@WeakAuras\GenericTrigger.lua"]:598: in function <WeakAuras\GenericTrigger.lua:534>
[string "@WeakAuras\GenericTrigger.lua"]:730: in function `ScanEventsInternal'
[string "@WeakAuras\GenericTrigger.lua"]:691: in function `ScanEvents'
[string "@WeakAuras\GenericTrigger.lua"]:837: in function <WeakAuras\GenericTrigger.lua:822>