Just got this when my lowbie zoned into Rutheran Village from the boat coming from Azuremyst Isle. Could be a one off but will see if I see it happen under other circumstances as well.
Code:
Message: nUI-5.07.29 (Plus)\Units\nUI_UnitFeedback.lua:752: Usage: UnitThreatSituation("unit" [, "mob"])
Time: 12/01/12 05:07:15
Count: 1
Stack: Interface\AddOns\nUI\Units\nUI_UnitFeedback.lua:752: in function `updateFeedbackInfo'
Interface\AddOns\nUI\Units\nUI_UnitCache.lua:705: in function `getUnitInfo'
Interface\AddOns\nUI\Units\nUI_UnitHealth.lua:206: in function <Interface\AddOns\nUI\Units\nUI_UnitHealth.lua:192>
Locals: self = <table> {
updateLevelFrame = <function> defined @Interface\AddOns\nUI\Units\nUI_UnitLevel.lua:586
refreshReadyCheckCallbacks = <function> defined @Interface\AddOns\nUI\Units\nUI_UnitReadyCheck.lua:358
unregisterClassCallback = <function> defined @Interface\AddOns\nUI\Units\nUI_UnitClass.lua:500
deletePortraitFrame = <function> defined @Interface\AddOns\nUI\Units\nUI_UnitPortrait.lua:603
unregisterUnitChangeCallback = <function> defined @Interface\AddOns\nUI\Units\nUI_UnitChange.lua:304
deleteLevelFrame = <function> defined @Interface\AddOns\nUI\Units\nUI_UnitLevel.lua:562
updateComboPointsFrame = <function> defined @Interface\AddOns\nUI\Units\nUI_UnitComboPoints.lua:540
registerCombatCallback = <function> defined @Interface\AddOns\nUI\Units\nUI_UnitCombat.lua:190
configFeedbackColor = <function> defined @Interface\AddOns\nUI\Units\nUI_UnitFeedback.lua:570
configCastBar = <function> defined @Interface\AddOns\nUI\Units\nUI_UnitCasting.lua:414
registerSpecCallback = <function> defined @Interface\AddOns\nUI\Units\nUI_UnitSpec.lua:316
refreshThreatCallbacks = <function> defined @Interface\AddOns\nUI\Units\nUI_UnitThreat.lua:540
registerPortraitCallback = <function> defined @Interface\AddOns\nUI\Units\nUI_UnitPortrait.lua:278
refreshComboPointsCallbacks = <function> defined @Interface\AddOns\nUI\Units\nUI_UnitComboPoints.lua:321
hideTooltip = <function> defined @Interface\AddOns\nUI\Units\nUI_UnitFrame.lua:208
getUnitInfo = <function> defined @Interface\AddOns\nUI\Units\nUI_UnitCache.lua:673
createRoleFrame = <function> defined @Interface\AddOns\nUI\Units\nUI_UnitRole.lua:443
refreshSpecCallbacks = <function> defined @Interface\AddOns\nUI\Units\nUI_UnitSpec.lua:486
deleteAuraFrame = <function> defined @Interface\AddOns\nUI\Units\nUI_UnitAura.lua:1937
deleteRangeFrame = <function> defined @Interface\AddOns\nUI\Units\nUI_UnitRange.lua:789
createPvPFrame = <function> defined @Interface\AddOns\nUI\Units\nUI_UnitPvp.lua:436
unregisterLabelCallback = <function> defined @Interface\AddOns\nUI\Units\nUI_UnitLabel.lua:270
refreshRestingCallbacks = <function> defined @Interface\AddOns\nUI\Units\nUI_UnitResting.lua:300
updatePvPFrame = <function> defined @Interface\AddOns\nUI\Units\nUI_UnitPvp.lua:592
createGCDFrame = <function> defined @Interface\AddOns\nUI\Units\nUI_UnitGCD.lua:208
configFeedback = <function> defined @Interface\AddOns\nUI\Units\nUI_UnitFeedback.lua:555
updatePortraitFrame = <function> defined @Interface\AddOns\nUI\Units\nUI_UnitPortrait.lua:627
configCasting = <function> defined @Interface\AddOns\nUI\Units\nUI_UnitCasting.lua:395
unregisterStatusCallback = <function> defined @Interface\AddOns\nUI\Units\nUI_UnitStatus.lua:294
registerRaidTargetCallback = <function> defined @Interface\AddOns\nUI\Units\nUI_UnitRaidTarget.lua:213
updateLabelInfo = <function> defined @Interface\AddOns\nUI\Units\nUI_UnitLabel.lua:308
createRunesFrame = <function> defined @Interface\AddOns\nUI\Units\nUI_UnitRunes.lua:453
deleteCombatFrame = <function> defined @Interface\AddOns\nUI\Units\nUI_UnitCombat.lua:441
configAura = <function> defined @Interface\AddOns\nUI\Units\nUI_UnitAura.lua:1172
unregisterGCDCallback = <function> defined @Interface\AddOns\nUI\Units\nUI_UnitGCD.lua:195
createLabelFrame = <function> defined @Interface\AddOns\nUI\Units\nUI_UnitLabel.lua:364
refreshRangeCallbacks = <function> defined @Interface\AddOns\nUI\Units\nUI_UnitRange.lua:645
registerComboPointsCallback = <function> defined @Interface\AddOns\nUI\Units\nUI_UnitComboPoints.lua:210