141x ...ras\libs\LibArtifactData-1.0\LibArtifactData-1.0-21.lua:510: Attempt to unregister unknown event "ARTIFACT_MAX_RANKS_UPDATE"
[C]: in function UnregisterEvent' ...ras\libs\LibArtifactData-1.0\LibArtifactData-1.0-21.lua:510: in function <...ras\libs\LibArtifactData-1.0\LibArtifactData-1.0.lua:502> ...ras\libs\LibArtifactData-1.0\LibArtifactData-1.0-21.lua:723: in function <...ras\libs\LibArtifactData-1.0\LibArtifactData-1.0.lua:721> ...ras\libs\LibArtifactData-1.0\LibArtifactData-1.0-21.lua:802: in function ?'
...ras\libs\LibArtifactData-1.0\LibArtifactData-1.0-21.lua:486: in function <...ras\libs\LibArtifactData-1.0\LibArtifactData-1.0.lua:486>

Locals:
(*temporary) = ArtifactFrame {
0 =
RefreshKnowledgeRanks = defined @Blizzard_ArtifactUI\Blizzard_ArtifactUI.lua:223
EvaulateForgeState = defined @Blizzard_ArtifactUI\Blizzard_ArtifactUI.lua:154
numTabs = 2
CloseButton = {
}
OnKnowledgeLeave = defined @Blizzard_ArtifactUI\Blizzard_ArtifactUI.lua:254
AppearancesTab = {
}
PerksTab = {
}
OnKnowledgeEnter = defined @Blizzard_ArtifactUI\Blizzard_ArtifactUI.lua:240
Background = {
}
BorderFrame = {
}
OnInventoryItemMouseLeave = defined @Blizzard_ArtifactUI\Blizzard_ArtifactUI.lua:272
AppearanceTabHelpBox = {
}
OnAppearanceChanging = defined @Blizzard_ArtifactUI\Blizzard_ArtifactUI.lua:133
OnShow = defined @Blizzard_ArtifactUI\Blizzard_ArtifactUI.lua:69
OnLoad = defined @Blizzard_ArtifactUI\Blizzard_ArtifactUI.lua:60
OnHide = defined @Blizzard_ArtifactUI\Blizzard_ArtifactUI.lua:88
PerksTabButton = ArtifactFrameTab1 {
}
KnowledgeLevelHelpBox = {
}
OnEvent = defined @Blizzard_ArtifactUI\Blizzard_ArtifactUI.lua:101
SetupPerArtifactData = defined @Blizzard_ArtifactUI\Blizzard_ArtifactUI.lua:199
VisitForgeOverlay = {
}
ForgeLevelFrame = {
}
ForgeBadgeFrame = {
}
OnTraitsRefunded = defined @Blizzard_ArtifactUI\Blizzard_ArtifactUI.lua:129
OnInventoryItemMouseEnter = defined @Blizzard_ArtifactUI\Blizzard_ArtifactUI.lua:259
AppearancesTabButton = ArtifactFrameTab2 {
}
SetTab = defined @Blizzard_ArtifactUI\Blizzard_ArtifactUI.lua:179
}
(*temporary) = "ARTIFACT_MAX_RANKS_UPDATE"

Fixed by 0955f82