I'm receiving the following error after logging into the game after the update to 9.1.5. Thanks.

1x WQAchievements\WQAchievements-v9.1.0-2.lua:2856: attempt to index field 'tooltip' (a nil value)
[string "@WQAchievements\WQAchievements-v9.1.0-2.lua"]:2856: in function <WQAchievements\WQAchievements.lua:2854>
[string "=[C]"]: in function Hide' [string "@FrameXML\UIParent.lua"]:3535: in function <FrameXML\UIParent.lua:3525> [string "=[C]"]: ? [string "=[C]"]: in function HideUIPanel'
[string "@SharedXML\SharedUIPanelTemplates.lua"]:128: in function <SharedXML\SharedUIPanelTemplates.lua:122>

Locals:
(*temporary) = nil
(*temporary) =

{
activeTooltips = {
}
LabelPrototype = {
}
tooltipHeap = {
}
cellPrototype = {
}
tableHeap = {
}
providerMetatable = {
}
timerHeap = {
}
providerPrototype = {
}
onReleaseHandlers = {
}
LabelProvider = {
}
tipMetatable = {
}
frameHeap = {
}
IterateTooltips = defined @Rarity\Libs\LibQTip-1.0\LibQTip-1.0.lua:167
CreateCellProvider = defined @Rarity\Libs\LibQTip-1.0\LibQTip-1.0.lua:284
layoutCleaner = {
}
tipPrototype = {
}
IsAcquired = defined @Rarity\Libs\LibQTip-1.0\LibQTip-1.0.lua:159
Release = defined @Rarity\Libs\LibQTip-1.0\LibQTip-1.0.lua:148
Acquire = defined @Rarity\Libs\LibQTip-1.0\LibQTip-1.0.lua:123
cellMetatable = {
}
frameMetatable = {
}
}
(*temporary) = nil
(*temporary) = "attempt to index field 'tooltip' (a nil value)"
LibQTip = {
activeTooltips = {
}
LabelPrototype = {
}
tooltipHeap = {
}
cellPrototype = {
}
tableHeap = {
}
providerMetatable = {
}
timerHeap = {
}
providerPrototype = {
}
onReleaseHandlers = {
}
LabelProvider = {
}
tipMetatable = {
}
frameHeap = {
}
IterateTooltips = defined @Rarity\Libs\LibQTip-1.0\LibQTip-1.0.lua:167
CreateCellProvider = defined @Rarity\Libs\LibQTip-1.0\LibQTip-1.0.lua:284
layoutCleaner = {
}
tipPrototype = {
}
IsAcquired = defined @Rarity\Libs\LibQTip-1.0\LibQTip-1.0.lua:159
Release = defined @Rarity\Libs\LibQTip-1.0\LibQTip-1.0.lua:148
Acquire = defined @Rarity\Libs\LibQTip-1.0\LibQTip-1.0.lua:123
cellMetatable = {
}
frameMetatable = {
}
}
WQA = {
watched = {
}
IsQuestFlaggedCompleted = defined @WQAchievements\WQAchievements.lua:3395
UpdateCustomRewards = defined @WQAchievements\Options.lua:1518
SetRewardLinkByID = defined @WQAchievements\WQAchievements.lua:2960
EnableModule = defined @datastore\libs\AceAddon-3.0\AceAddon-3.0.lua:332
modules = {
}
GetRewardForID = defined @WQAchievements\WQAchievements.lua:1678
IterateEmbeds = defined @datastore\libs\AceAddon-3.0\AceAddon-3.0.lua:442
ToggleGet = defined @WQAchievements\Options.lua:1303
CreateCustomQuest = defined @WQAchievements\Options.lua:1389
debug = false
isQuestPinActive = defined @WQAchievements\WQAchievements.lua:3384
slash = defined @WQAchievements\WQAchievements.lua:468
SetDefaultModulePrototype = defined @datastore\libs\AceAddon-3.0\AceAddon-3.0.lua:409
Show = defined @WQAchievements\WQAchievements.lua:1525
itemList = {
}
defaultModuleState = true
AnnouncePopUp = defined @WQAchievements\WQAchievements.lua:2818
IsEnabled = defined @datastore\libs\AceAddon-3.0\AceAddon-3.0.lua:451
ExpansionList = {
}
ScheduleTimer = defined @datastore\libs\AceTimer-3.0\AceTimer-3.0.lua:94
DisableModule = defined @datastore\libs\AceAddon-3.0\AceAddon-3.0.lua:350
PopUp = WQAchievementsPopUp {
}
newTasks = {
}
missionList = {
}
CreateCustomMissionReward = defined @WQAchievements\Options.lua:1648
activeTasks = {
}
GetArgs = defined @datastore\libs\AceConsole-3.0\AceConsole-3.0.lua:144
dat