WowAce

3x Error messages on login captured below:

6x ...aceShadowedUnitFrames\ShadowedUnitFrames-v4.3.1-classic.lua:668: attempt to index local 'frame' (a nil value)
...aceShadowedUnitFrames\ShadowedUnitFrames-v4.3.1-classic.lua:668: in function <...aceShadowedUnitFrames\ShadowedUnitFrames.lua:664>
...aceShadowedUnitFrames\ShadowedUnitFrames-v4.3.1-classic.lua:757: in function `HideBlizzardFrames'
...aceShadowedUnitFrames\ShadowedUnitFrames-v4.3.1-classic.lua:91: in function `OnInitialize'
...aceShadowedUnitFrames\ShadowedUnitFrames-v4.3.1-classic.lua:885: in function <...aceShadowedUnitFrames\ShadowedUnitFrames.lua:883>

Locals:
taint = false
(for index) = 1
(for limit) = 2
(for step) = 1
i = 1
frame = nil
(*temporary) = <function> defined @FrameXML\SecureStateDriver.lua:47
(*temporary) = nil
(*temporary) = <function> defined =[C]:-1
(*temporary) = SecureStateDriverManager {
0 = <userdata>
}
(*temporary) = "attempt to index local 'frame' (a nil value)"
rehideFrame = <function> defined @ShadowedUnitFrames\ShadowedUnitFrames.lua:649

================

12x ShadowedUnitFrames\modules\units.lua:61: Attempt to register unknown event "PLAYER_FOCUS_CHANGED"
[C]: in function `RegisterEvent'
ShadowedUnitFrames\modules\units.lua:61: in function `RegisterNormalEvent'
ShadowedUnitFrames\modules\units.lua:417: in function <ShadowedUnitFrames\modules\units.lua:352>
[C]: in function `SetAttribute'
ShadowedUnitFrames\modules\units.lua:825: in function `LoadUnit'
ShadowedUnitFrames\modules\units.lua:1188: in function `InitializeFrame'
...aceShadowedUnitFrames\ShadowedUnitFrames-v4.3.1-classic.lua:272: in function `LoadUnits'
ShadowedUnitFrames\modules\units.lua:1303: in function `CheckPlayerZone'
ShadowedUnitFrames\modules\units.lua:1360: in function <ShadowedUnitFrames\modules\units.lua:1351>

Locals:
(*temporary) = SUFUnitfocus {
0 = <userdata>
OnEnter = <function> defined @ShadowedUnitFrames\modules\units.lua:536
UnregisterAll = <function> defined @ShadowedUnitFrames\modules\units.lua:125
unitRealType = "focus"
isUnitVolatile = true
unit = "focus"
ReregisterUnitEvents = <function> defined @ShadowedUnitFrames\modules\units.lua:26
unitInitialized = true
registeredEvents = <table> {
}
UnitClassToken = <function> defined @ShadowedUnitFrames\modules\units.lua:551
unitOwner = "focus"
RegisterUnitEvent = <function> defined @ShadowedUnitFrames\modules\units.lua:92
SetBarColor = <function> defined @ShadowedUnitFrames\modules\units.lua:167
RegisterNormalEvent = <function> defined @ShadowedUnitFrames\modules\units.lua:47
SetVisibility = <function> defined @ShadowedUnitFrames\modules\units.lua:226
topFrameLevel = 5
OnLeave = <function> defined @ShadowedUnitFrames\modules\units.lua:544
highFrame = <unnamed> {
}
UnregisterSingleEvent = <function> defined @ShadowedUnitFrames\modules\units.lua:75
DisableRangeAlpha = <function> defined @ShadowedUnitFrames\modules\units.lua:151
SetBlockColor = <function> defined @ShadowedUnitFrames\modules\units.lua:171
fullUpdates = <table> {
}
UnregisterUpdateFunc = <function> defined @ShadowedUnitFrames\modules\units.lua:115
unitType = "focus"
BlizzRegisterUnitEvent = <function> defined =[C]:-1
SetRangeAlpha = <function> defined @ShadowedUnitFrames\modules\units.lua:159
FullUpdate = <function> defined @ShadowedUnitFrames\modules\units.lua:18
visibility = <table> {
}
RegisterUpdateFunc = <function> defined @ShadowedUnitFrames\modules\units.lua:98
}
(*temporary) = "PLAYER_FOCUS_CHANGED"

================

46x ShadowedUnitFrames\modules\layout.lua:376: attempt to index a nil value
ShadowedUnitFrames\modules\layout.lua:376: in function `SetupBars'
ShadowedUnitFrames\modules\layout.lua:142: in function `Load'
ShadowedUnitFrames\modules\units.lua:284: in function `SetVisibility'
ShadowedUnitFrames\modules\units.lua:481: in function <ShadowedUnitFrames\modules\units.lua:352>
[C]: in function `SetAttribute'
ShadowedUnitFrames\modules\units.lua:825: in function `LoadUnit'
ShadowedUnitFrames\modules\units.lua:1188: in function `InitializeFrame'
...aceShadowedUnitFrames\ShadowedUnitFrames-v4.3.1-classic.lua:272: in function `LoadUnits'
ShadowedUnitFrames\modules\units.lua:1303: in function `CheckPlayerZone'
ShadowedUnitFrames\modules\units.lua:1360: in function <ShadowedUnitFrames\modules\units.lua:1351>

Locals:
self = <table> {
SetupBars = <function> defined @ShadowedUnitFrames\modules\layout.lua:363
CheckMedia = <function> defined @ShadowedUnitFrames\modules\layout.lua:48
SetupFrame = <function> defined @ShadowedUnitFrames\modules\layout.lua:319
LoadSML = <function> defined @ShadowedUnitFrames\modules\layout.lua:166
ReverseDirection = <function> defined @ShadowedUnitFrames\modules\layout.lua:222
ToggleVisibility = <function> defined @ShadowedUnitFrames\modules\layout.lua:68
GetRelative = <function> defined @ShadowedUnitFrames\modules\layout.lua:210
PositionWidgets = <function> defined @ShadowedUnitFrames\modules\layout.lua:496
mediaPath = <table> {
}
SetupText = <function> defined @ShadowedUnitFrames\modules\layout.lua:450
InitFontString = <function> defined @ShadowedUnitFrames\modules\layout.lua:418
MediaRegistered = <function> defined @ShadowedUnitFrames\modules\layout.lua:58
GetRelativeAnchor = <function> defined @ShadowedUnitFrames\modules\layout.lua:227
SetupFontString = <function> defined @ShadowedUnitFrames\modules\layout.lua:402
GetAuraGrowth = <function> defined @ShadowedUnitFrames\modules\layout.lua:218
Reload = <function> defined @ShadowedUnitFrames\modules\layout.lua:99
SetBarVisibility = <function> defined @ShadowedUnitFrames\modules\layout.lua:76
GetJustify = <function> defined @ShadowedUnitFrames\modules\layout.lua:193
GetPoint = <function> defined @ShadowedUnitFrames\modules\layout.lua:206
MediaForced = <function> defined @ShadowedUnitFrames\modules\layout.lua:10
GetColumnGrowth = <function> defined @ShadowedUnitFrames\modules\layout.lua:214
GetSplitRelativeAnchor = <function> defined @ShadowedUnitFrames\modules\layout.lua:249
Load = <function> defined @ShadowedUnitFrames\modules\layout.lua:124
AnchorFrame = <function> defined @ShadowedUnitFrames\modules\layout.lua:265
}
frame = SUFUnitplayer {
0 = <userdata>
OnEnter = <function> defined @ShadowedUnitFrames\modules\units.lua:536
portrait = <unnamed> {
}
UnregisterAll = <function> defined @ShadowedUnitFrames\modules\units.lua:125
registeredEvents = <table> {
}
UnitClassToken = <function> defined @ShadowedUnitFrames\modules\units.lua:551
powerBar = <unnamed> {
}
RegisterNormalEvent = <function> defined @ShadowedUnitFrames\modules\units.lua:47
SetVisibility = <function> defined @ShadowedUnitFrames\modules\units.lua:226
healthBar = <unnamed> {
}
RegisterUpdateFunc = <function> defined @ShadowedUnitFrames\modules\units.lua:98
SetBlockColor = <function> defined @ShadowedUnitFrames\modules\units.lua:171
unitType = "player"
SetRangeAlpha = <function> defined @ShadowedUnitFrames\modules\units.lua:159
visibility = <table> {
}
indicators = <unnamed> {
}
unitInitialized = true
unitRealType = "player"
unit = "player"
ReregisterUnitEvents = <function> defined @ShadowedUnitFrames\modules\units.lua:26
RegisterUnitEvent = <function> defined @ShadowedUnitFrames\modules\units.lua:92
comboPoints = <unnamed> {
}
SetBarColor = <function> defined @ShadowedUnitFrames\modules\units.lua:167
unitEventOverrides = <table> {
}
UnregisterSingleEvent = <function> defined @ShadowedUnitFrames\modules\units.lua:75
combatText = <unnamed> {
}
auraIndicators = <unnamed> {
}
highFrame = <unnamed> {
}
unitOwner = "player"
DisableRangeAlpha = <function> defined @ShadowedUnitFrames\modules\units.lua:151
OnLeave = <function> defined @ShadowedUnitFrames\modules\units.lua:544
fullUpdates = <table> {
}
UnregisterUpdateF

Bump. Please just regress/revert the OG Classic Era release file to 4.2.3