Error when entering dungeon

I'm getting this error at the start of the dungeons right after I zone in
24x ...nstanceAchievementTracker/AchievementTrackerCore.lua:611: attempt to compare number with nil
[string "@InstanceAchievementTracker/AchievementTrackerCore.lua"]:611: in function <...nstanceAchievementTracker/AchievementTrackerCore.lua:522>

Locals:
instanceCompatible = false
(*temporary) = nil
(*temporary) = <table> {
 _2070 = <table> {
 }
 playerCount = 0
 _938 = <table> {
 }
 _615 = <table> {
 }
 displayAchievements = false
 _725 = <table> {
 }
 _575 = <table> {
 }
 _2688 = <table> {
 }
 _2291 = <table> {
 }
 maxPlayers = 5
 _657 = <table> {
 }
 LibWindow = <table> {
 }
 _859 = <table> {
 }
 currentZoneID = 2662
 _2664 = <table> {
 }
 _1822 = <table> {
 }
 _962 = <table> {
 }
 _1048 = <table> {
 }
 _1520 = <table> {
 }
 _645 = <table> {
 }
 manualCountSetup = false
 _1676 = <table> {
 }
 _2096 = <table> {
 }
 _1175 = <table> {
 }
 encounterDetected = false
 _2097 = <table> {
 }
 _959 = <table> {
 }
 _576 = <table> {
 }
 _670 = <table> {
 }
 _999 = <table> {
 }
 _720 = <table> {
 }
 _1544 = <table> {
 }
 _2297 = <table> {
 }
 _1228 = <table> {
 }
 _249 = <table> {
 }
 _1594 = <table> {
 }
 instanceClear = "_2662"
 _960 = <table> {
 }
 _1753 = <table> {
 }
 _1004 = <table> {
 }
 _624 = <table> {
 }
 L = <table> {
 }
 _2680 = <table> {
 }
 _940 = <table> {
 }
 _658 = <table> {
 }
 _604 = <table> {
 }
 _1358 = <table> {
 }
 _2526 = <table> {
 }
 _2284 = <table> {
 }
 _668 = <table> {
 }
 _1030 = <table> {
 }
 _1877 = <table> {
 }
 currentBosses = <table> {
 }
 _671 = <table> {
 }
 scanFinished = false
 _631 = <table> {
 }
 _1005 = <table> {
 }
 achievementTrackingEnabled = false
 _961 = <table> {
 }
 _1130 = <table> {
 }
 _1754 = <table> {
 }
 gameVersionMinor = 0
 _669 = <table> {
 }
 _533 = <table> {
 }
 _1205 = <table> {
 }
 _1864 = <table> {
 }
 _1000 = <table> {
 }
 IATInfoFrame = <table> {
 }
 _1712 = <table> {
 }
 _1493 = <table> {
 }
 tocVersion = 110002
 _1861 = <table> {
 }
 _2684 = <table> {
 }
 NPCCacheClassic = <table> {
 }
 _1763 = <table> {
 }
 _1466 = <table> {
 }
 groupSizeInInstance = 0
 _1103 = <table> {
 }
 _643 = <table> {
 }
 Config = <table> {
 }
 _1001 = <table> {
 }
 _601 = <table> {
 }
 _2516 = <table> {
 }
 InfoFrame_PlayersTable = <table> {
 }
 _2217 = <table> {
 }
 _755 = <table> {
 }
 _616 = <table> {
 }
 _568 = <table> {
 }
 _1458 = <table> {
 }
 mobCache = <table> {
 }
 _1208 = <table> {
 }
 _2579 = <table> {
 }
 _36 = <table> {
 }
 _1648 = <table> {
 }
 _603 = <table> {
 }
 _600 = <table> {
 }
 _2519 = <table> {
 }
 _1007 = <table> {
 }
 _1516 = <table> {
 }
 _1501 = <table> {
 }
 gameVersionMajor = 11
 _2293 = <table> {
 }
 _1131 = <table> {
 }
 manualCountCurrentSize = 0
 _1031 = <table> {
 }
 _2515 = <table> {
 }
 _2657 = <table> {
 }
 _2451 = <table> {
 }
 achievementIDs = <table> {
 }
 _2164 = <table> {
 }
 _1762 = <table> {
 }
 _595 = <table> {
 }
 _1051 = <table> {
 }
 InfoFrame = <table> {
 }
 _1841 = <table> {
 }
 _650 = <table> {
 }
 _939 = <table> {
 }
 outputTrackingStatus = false
 _994 = <table> {
 }
 _2549 = <table> {
 }
 _2289 = <table> {
 }
 _1195 = <table> {
 }
 gameBuild = "56513"
 _1008 = <table> {
 }
 _2441 = <table> {
 }
 inCombat = false
 _1209 = <table> {
 }
 gameDate = "Sep  5 2024"
 ItemCache = <table> {
 }
 _1862 = <table> {
 }
 _2685 = <table> {
 }
 InfoFrame_DynamicTable = <table> {
 }
 _2290 = <table> {
 }
 _574 = <table> {
 }
 mobCounter = 0
 playersSuccessPersonal = <table> {
 }
 _1530 = <table> {
 }
 _632 = <table> {
 }
 _1456 = <table> {
 }
 _1050 = <table> {
 }
 _1448 = <table> {
 }
 _1677 = <table> {
 }
 _1771 = <table> {
 }
 _1009 = <table> {
 }
 syncMessageQueue = <table> {
 }
 _1571 = <table> {
 }
 _1099 = <table> {
 }
 _2521 = <table> {
 }
 thresholdAnnounced = false
 _2286 = <table> {
 }
 instance = 2662
 commands = <table> {
 }
 difficultyID = 23
 ATButton = <table> {
 }
 _602 = <table> {
 }
 _1182 = <table> {
 }
 achievementsCompleted = <table> {
 }
 _2690 = <table> {
 }
 instanceVariablesReset = true
 _2527 = <table> {
 }
 infoFrameShown = false
 _1279 = <table> {
 }
 inInstance = false
 _967 = <table> {
 }
 mobUID = <table> {
 }
 _1104 = <table> {
 }
 _2679 = <table> {
 }
 _1136 = <table> {
 }
 _1024 = <table> {
 }
 _608 = <table> {
 }
 NPCCache = <table> {
 }
 Options = <table> {
 }
 achievementsFailedGlobal = <table> {
 }
 _578 = <table> {
 }
 _33 = <table> {
 }
 _754 = <table> {
 }
 enco
Dragnogd / Instance-Achievement-Tracker

Error when entering dungeon #29
