Please include as much of the following information as possible to help me fix the bug:

seems to happen randomly

Date: 2018-03-11 23:47:42
ID: 13
Error occured in: Global
Count: 1
Message: [string "GameTooltip:OnEnter"] line 5:
Attempt to access forbidden object from code tainted by an AddOn
Debug:
[C]: SetLFGDungeonReward()
[string ":OnEnter"]:5:
[string ":OnEnter"]:1
Locals:
(*temporary) = GameTooltip {
0 =
SetQuestLogRewardSpell = defined @interface\AddOns\Auc-Advanced\Libs\LibExtraTip\LibExtraTip.lua:402
SetSpellBookItem = defined @interface\AddOns\Auc-Advanced\Libs\LibExtraTip\LibExtraTip.lua:402
SetExistingSocketGem = defined =[C]:-1
SetHyperlink = defined =[C]:-1
SetGuildBankItem = defined =[C]:-1
hasMoney = 1
SetVoidDepositItem = defined =[C]:-1
Hide = defined =[C]:-1
SetQuestRewardSpell = defined @interface\AddOns\Auc-Advanced\Libs\LibExtraTip\LibExtraTip.lua:402
comparing = false
SetSocketGem = defined =[C]:-1
Show = defined =[C]:-1
SetPetAction = defined @interface\AddOns\Auc-Advanced\Libs\LibExtraTip\LibExtraTip.lua:402
SetUnitDebuff = defined @interface\AddOns\Auc-Advanced\Libs\LibExtraTip\LibExtraTip.lua:402
SetItemByID = defined =[C]:-1
SetLootItem = defined =[C]:-1
SetQuestItem = defined =[C]:-1
SetTrainerService = defined =[C]:-1
numMoneyFrames = 22
SetRecipeReagentItem = defined @interface\AddOns\Auc-Advanced\Libs\LibExtraTip\LibExtraTip.lua:402
SetBuybackItem = defined =[C]:-1
shoppingTooltips =

{
}
SetMerchantItem = defined =[C]:-1
SetQuestLogItem = defined =[C]:-1
SetCurrencyToken = defined @interface\AddOns\Auc-Advanced\Libs\LibExtraTip\LibExtraTip.lua:402
SetTradeTargetItem = defined =[C]:-1
SetTalent = defined @interface\AddOns\Auc-Advanced\Libs\LibExtraTip\LibExtraTip.lua:402
SetTradePlayerItem = defined =[C]:-1
SetShapeshift = defined @interface\AddOns\Auc-Advanced\Libs\LibExtraTip\LibExtraTip.lua:402
SetSendMailItem = defined =[C]:-1
SetVoidItem = defined =[C]:-1
updateTooltip = 0.16999999787658
SetInventoryItem = defined =[C]:-1
SetVoidWithdrawalItem = defined =[C]:-1
SetHeirloomByItemID = defined =[C]:-1
SetLootRollItem = defined =[C]:-1
LibExtraTipRight = {
}
SetInboxItem = defined =[C]:-1
SetAuctionSellItem = defined =[C]:-1
SetBagItem = defined =[C]:-1
needsReset = true
LibExtraTipLeft = {
}
SetAuctionItem = defined =[C]:-1
SetUnitBuff = defined @interface\AddOns\Auc-Advanced\Libs\LibExtraTip\LibExtraTip.lua:402
SetRecipeResultItem = defined =[C]:-1
}
(*temporary) = 1497
(*temporary) = 1

Please include a brief description of the bug, including what you were doing, and when it occurred.

right clicking on things in the action bar? seems to be when it happens most

Include the steps I would need to follow to reproduce the bug.

AddOns:
Swatter, v7.5.5724 (TasmanianThylacine)
AngryWorldQuests, v
AucAdvanced, v7.5.5724 (TasmanianThylacine)
AucFilterBasic, v7.5.5724 (TasmanianThylacine)
AucFilterOutlier, v7.5.5724.5459(7.5/embedded)
AucMatchUndercut, v7.5.5724.5585(7.5/embedded)
AucScanData, v7.5.5724 (TasmanianThylacine)
AucStatHistogram, v7.5.5724 (TasmanianThylacine)
AucStatiLevel, v7.5.5724 (TasmanianThylacine)
AucStatPurchased, v7.5.5724 (TasmanianThylacine)
AucStatSales, v7.5.5724.5598(7.5/embedded)
AucStatSimple, v7.5.5724 (TasmanianThylacine)
AucStatStdDev, v7.5.5724 (TasmanianThylacine)
AucStatWOWEcon, v7.5.5724.5613(7.5/embedded)
AucUtilAHWindowControl, v7.5.5724.5575(7.5/embedded)
AucUtilAppraiser, v7.5.5724.5719(7.5/embedded)
AucUtilAskPrice, v7.5.5724.5599(7.5/embedded)
AucUtilAutoMagic, v7.5.5724.5686(7.5/embedded)
AucUtilCompactUI, v7.5.5724.5715(7.5/embedded)
AucUtilEasyBuyout, v7.5.5724.5576(7.5/embedded)
AucUtilFixAH, v7.5.5724 (TasmanianThylacine)
AucUtilItemSuggest, v7.5.5724.5651(7.5/embedded)
AucUtilPriceLevel, v7.5.5724.5633(7.5/embedded)
AucUtilScanButton, v7.5.5724.5631(7.5/embedded)
AucUtilScanFinish, v7.5.5724.5720(7.5/embedded)
AucUtilScanProgress, v7.5.5724.4979(7.5/embedded)
AucUtilScanStart, v7.5.5724.5347(7.5/embedded)
AucUtilSearchUI, v7.5.5724.5721(7.5/embedded)
AucUtilSimpleAuction, v7.5.5724.5705(7.5/embedded)
AucUtilVendMarkup, v7.5.5724.4828(7.5/embedded)
Babylonian, v5.1.DEV.332(/embedded)
BeanCounter, v7.5.5724 (TasmanianThylacine)
Configator, v5.1.DEV.431(/embedded)
DBMCore, v7.3.24
DBMDefaultSkin, v
DBMPartyLegion, v
DBMStatusBarTimers, v
DBMTombofSargeras, v
DebugLib, v5.1.DEV.337(/embedded)
Enchantrix, v7.5.5724 (TasmanianThylacine)
EnchantrixBarker, v7.5.5724 (TasmanianThylacine)
GreenWall, v1.9.0
GTFO, v4.44.3
HandyNotes, vv1.4.15
HandyNotesArgus, v0.20.0
InFlight, v7.3.002
InFlightLoad, v7.3.002
Informant, v7.5.5724 (TasmanianThylacine)
InstancePortals, v8
LibExtraTip, v5.12.DEV.430(/embedded)
NomiCakes, v7.3.0.1
NPCScan, v7.3.5.3
Pawn, v2.2.18
PetTracker, v7.3.0
PetTrackerBreeds, v7.3.0
PetTrackerConfig, v7.3.0
PetTrackerJournal, v7.3.0
PetTrackerSwitcher, v7.3.0
PetTrackerUpgrades, v7.3.0
Rarity, v1.0
RarityOptions, v
Recount, vv7.3.5b
Simulationcraft, v1.9.1
SlideBar, v7.5.5724 (TasmanianThylacine)
Stubby, v7.5.5724 (TasmanianThylacine)
TipHelper, v5.12.DEV.405(/embedded)
TomTom, vv70300-1.0.0
BlizRuntimeLib_enUS v7.3.5.70300
(ck=9de)

Include a list of addons you were running at the time this bug occurred.

Back Trace (LUA Error Output)

You can get this through the use of !BugGrabber and BugSack addons.