LUA ERROR

[jextercs]

4x .../WorldQuestTracker/WorldQuestTracker_GroupFinder.lua:852: attempt to call global 'QuestObjectiveFindGroup_AcquireButton' (a nil value)
[string "@WorldQuestTracker/WorldQuestTracker_GroupFinder.lua"]:852: in function <.../WorldQuestTracker/WorldQuestTracker_GroupFinder.lua:777>
[string "@WorldQuestTracker/WorldQuestTracker_GroupFinder.lua"]:976: in function <.../WorldQuestTracker/WorldQuestTracker_GroupFinder.lua:974>

Locals:
questID = 47728
npcID = nil
npcName = nil
title = "Talestra the Vile"
isNpc = nil
factionID = 2165
tagID = 136
tagName = "Rare Elite World Quest"
worldQuestType = 2
rarity = 1
isElite = true
tradeskillLineIndex = nil
(*temporary) = nil
(*temporary) = WorldQuestTrackerFinderFrame {
BottomLeftCorner = Texture {
}
PlayersInvited =

{
}
hiddenSearchButton = WorldQuestTrackerFinderFrameHiddenSearchButton {
}
AnimationShow = AnimationGroup {
}
ButtonWidth = 236
overlayCaptcha = Frame {
}
divBarY = -55
PlayersNearby = {
}
CaptchaEntry = {
}
GroupButtonsFrame = Frame {
}
TopRightCorner = Texture {
}
topLevelY = -28
TopEdge = Texture {
}
BQuestTrackerUsedWidgets = {
}
Height = 116
LeftEdge = Texture {
}
TickFrame = Frame {
}
TitleLabel = WorldQuestTrackerFinderFrameTitleBarTitleText {
}
CurrentWorldQuest = 47728
IsInQuestZone = true
PVEFrameHooked = true
TopLeftCorner = Texture {
}
RegisteredApplicationViewerHook = true
divbar = Texture {
}
cannot_group_quest = {
}
IsRegistered = true
BottomEdge = Texture {
}
Width = 240
buttonRowY = -8
Center = Texture {
}
lastToggleRequest = 0
RightClickClose = {
}
ButtonHeight = 20
TitleHeight = 28
leaveButtonSolo = WorldQuestTrackerFinderFrameLeaveButtonSolo {
}
backdropInfo = {
}
BQuestTrackerFreeWidgets = {
}
RightEdge = Texture {
}
Options = WorldQuestTrackerFinderFrameTopRightOptionsButton {
}
CloseButton = WorldQuestTrackerFinderFrameTitleBarCloseButton {
}
AnimationHide = AnimationGroup {
}
QuestIcon = GroupFinderIcon1 {
}
TitleBar = WorldQuestTrackerFinderFrameTitleBar {
}
__background = Texture {
}
CaptchaText = FontString {
}
ButtonVerticalPadding = 4
BottomRightCorner = Texture {
}
}
(*temporary) = 47728
(*temporary) = "attempt to call global 'QuestObjectiveFindGroup_AcquireButton' (a nil value)"
ff = WorldQuestTrackerFinderFrame {
BottomLeftCorner = Texture {
}
PlayersInvited = {
}
hiddenSearchButton = WorldQuestTrackerFinderFrameHiddenSearchButton {
}
AnimationShow = AnimationGroup {
}
ButtonWidth = 236
overlayCaptcha = Frame {
}
divBarY = -55
PlayersNearby = {
}
CaptchaEntry = {
}
GroupButtonsFrame = Frame {
}
TopRightCorner = Texture {
}
topLevelY = -28
TopEdge = Texture {
}
BQuestTrackerUsedWidgets = {
}
Height = 116
LeftEdge = Texture {
}
TickFrame = Frame {
}
TitleLabel = WorldQuestTrackerFinderFrameTitleBarTitleText {
}
CurrentWorldQuest = 47728
IsInQuestZone = true
PVEFrameHooked = true
TopLeftCorner = Texture {
}
RegisteredApplicationViewerHook = true
divbar = Texture {
}
cannot_group_quest = {
}
IsRegistered = true
BottomEdge = Texture {
}
Width = 240
buttonRowY = -8
Center = Texture {
}
lastToggleRequest = 0
RightClickClose = {
}
ButtonHeight = 20
TitleHeight = 28
leaveButtonSolo = WorldQuestTrackerFinderFrameLeaveButtonSolo {
}
backdropInfo = {
}
BQuestTrackerFreeWidgets = {
}
RightEdge = Texture {
}
Options = WorldQuestTrackerFinderFrameTopRightOptionsButton {
}
CloseButton = WorldQuestTrackerFinderFrameTitleBarCloseButton {
}
AnimationHide = AnimationGroup {
}
QuestIcon = GroupFinderIcon1 {
}
TitleBar = WorldQuestTrackerFinderFrameTitleBar {
}
__background = Texture {
}
CaptchaText = FontString {
}
ButtonVerticalPadding = 4
BottomRightCorner = Texture {
}
}
WorldQuestTracker = {
LastUpdate = 36865.268000
modules = {
}
Cache_ShownQuestOnWorldMap = {
}
mapTables = {
}
CommFunctions = {
}
db = {
}
QuestTrackList = {
}
ZoneWidgetPool = {
}
MapChangedTime = 1729550568
POIPins = {
}
ParentTapFrame = WorldQuestTrackerParentTapFrame {
}
name = "WorldQuestTrackerAddon"
QuestData_Zone = {
}
ChangeLogTable = {
}
WorldMapSupportWidgets = {
}
TaxyZoneWidgets = {
}
COMM_PREFIX = "WQTC"
defaultModuleState = true
MapData = {
}
PartyQuestsPool = {
}
e