Following popup after collecting/looting item "Bouquet of Dried Flowers" (item 113547):

Date: 2015-01-17 09:25:41
ID: 1
Error occured in: Global
Count: 1
Message: ..\AddOns\WoWPro\WoWPro.lua line 63:
bad argument #4 to 'format' (string expected, got nil)
Debug:

WoWPro\WoWPro.lua:63: print()
WoWPro\WoWPro_Broker.lua:911: NextStepNotSticky()
WoWPro\WoWPro_Mapping.lua:464: MapPoint()
WoWPro\WoWPro_Broker.lua:333:
WoWPro\WoWPro_Broker.lua:214
(tail call): ?

[string "safecall Dispatcher[1]"]:9:
[string "safecall Dispatcher[1]"]:5
(tail call): ?
...nterface\AddOns\Ace3\AceBucket-3.0\AceBucket-3.0.lua:118: func()
Ace3\AceTimer-3.0\AceTimer-3.0.lua:55:
Ace3\AceTimer-3.0\AceTimer-3.0.lua:48
Locals:
None
AddOns:
BlizzBugsSuck, v6.0.3.2
Swatter, v5.21c.5521 (SanctimoniousSwamprat)
Accountant, v6.01.60000
Ace3, v
ACP, v3.4.14
Arh, v1.4.2
AskMrRobot, v19
AucAdvanced, v5.21c.5521 (SanctimoniousSwamprat)
AucFilterBasic, v5.21c.5521 (SanctimoniousSwamprat)
AucFilterOutlier, v5.21c.5521.5459(5.21c/embedded)
AucMatchUndercut, v5.21c.5521.5507(5.21c/embedded)
AucScanData, v5.21c.5521 (SanctimoniousSwamprat)
AucStatHistogram, v5.21c.5521 (SanctimoniousSwamprat)
AucStatiLevel, v5.21c.5521 (SanctimoniousSwamprat)
AucStatPurchased, v5.21c.5521 (SanctimoniousSwamprat)
AucStatSales, v5.21c.5521.5476(5.21c/embedded)
AucStatSimple, v5.21c.5521 (SanctimoniousSwamprat)
AucStatStdDev, v5.21c.5521 (SanctimoniousSwamprat)
AucStatWOWEcon, v5.21c.5521.5323(5.21c/embedded)
AucUtilAHWindowControl, v5.21c.5521.5347(5.21c/embedded)
AucUtilAppraiser, v5.21c.5521.5495(5.21c/embedded)
AucUtilAskPrice, v5.21c.5521.5447(5.21c/embedded)
AucUtilAutoMagic, v5.21c.5521.5443(5.21c/embedded)
AucUtilCompactUI, v5.21c.5521.5496(5.21c/embedded)
AucUtilEasyBuyout, v5.21c.5521.5507(5.21c/embedded)
AucUtilFixAH, v5.21c.5521 (SanctimoniousSwamprat)
AucUtilItemSuggest, v5.21c.5521.5417(5.21c/embedded)
AucUtilPriceLevel, v5.21c.5521.5458(5.21c/embedded)
AucUtilScanButton, v5.21c.5521.5403(5.21c/embedded)
AucUtilScanFinish, v5.21c.5521.5515(5.21c/embedded)
AucUtilScanProgress, v5.21c.5521.4979(5.21c/embedded)
AucUtilScanStart, v5.21c.5521.5347(5.21c/embedded)
AucUtilSearchUI, v5.21c.5521.5515(5.21c/embedded)
AucUtilSimpleAuction, v5.21c.5521.5514(5.21c/embedded)
AucUtilVendMarkup, v5.21c.5521.4828(5.21c/embedded)
Babylonian, v5.1.DEV.332(/embedded)
BadBoy, v12.504
BagBrother, v6.0.16
Bagnon, v6.0.16
BagnonConfig, v6.0.16
Bazooka, vv2.4.2
BeanCounter, v5.21c.5521 (SanctimoniousSwamprat)
Breeze, vv1.10
ButtonForge, v0.9.38
Carbonite, v6.0.1
CarboniteInfo, v1.0
CarboniteNotes, v1.1
CarboniteNotesSample, v1.0
CarboniteQuests, v1.0
CarboniteSocial, v1.0
CarboniteWarehouse, v1.0
CarboniteWeekly, v1.0
Configator, v5.1.DEV.376(/embedded)
DebugLib, v5.1.DEV.337(/embedded)
Enchantrix, v5.21c.5521 (SanctimoniousSwamprat)
EnchantrixBarker, v5.21c.5521 (SanctimoniousSwamprat)
GatherMate2, v1.33.4
Grail, v067
HealBot, v6.0.3.9
HealBotTips, v6.0.3.9
Informant, v5.21c.5521 (SanctimoniousSwamprat)
LibExtraTip, v5.12.DEV.363(/embedded)
MasterPlan, v0.24.1
MineOMatic, v6.0.3.007
MogIt, v3.4.0
MyBits, v
NugComboBar, v
NugComboBarGUI, v
omouse, v0.1.4
Pawn, v1.9.12
Postal, v3.5.1
Skada, v1.4-28
Stubby, v5.21c.5521 (SanctimoniousSwamprat)
TheUndermineJournal, v3.3.20150117
TipHelper, v5.12.DEV.351(/embedded)
TomTom, vv60000-1.1.1
WIM, v3.6.23
WoWPro, v6.0.3J
WoWProAchievements, v6.0.3J
WoWProDailies, v6.0.3J
WoWProLeveling, v6.0.3J
WowProProfession, v6.0.3J
WoWProRecorder, v6.0.0
WoWProWorldEvents, v6.0.3J
BlizRuntimeLib_enUS v6.0.3.60000
(ck=bae)

Fixed for 6.1.1A, which will be out in a few days.