Running the latest version 2.29.4, the following LUA error is generated when logged in:

2x Kui_Nameplates/addon.lua:222: attempt to index global 'ClassNameplateBarDruidFrame' (a nil value)
[string "@Kui_Nameplates/addon.lua"]:222: in function <Kui_Nameplates/addon.lua:154>

Locals:
self = Frame {
NAME_PLATE_UNIT_REMOVED = defined @Kui_Nameplates/addon.lua:117
ui_print = defined @Kui_Nameplates/addon.lua:59
DispatchMessage = defined @Kui_Nameplates/messages.lua:108
uiscale = 0.650000
Frames = defined @Kui_Nameplates/addon.lua:62
USE_BLIZZARD_PERSONAL = false
NewElement = defined @Kui_Nameplates/messages.lua:564
USE_BLIZZARD_POWERS = false
NewPlugin = defined @Kui_Nameplates/messages.lua:527
IGNORE_UISCALE = false
plugins =

{
}
GetPlugin = defined @Kui_Nameplates/messages.lua:557
layout = {
}
NAME_PLATE_UNIT_ADDED = defined @Kui_Nameplates/addon.lua:93
MINOR = 5
GetActiveNameplateForUnit = defined @Kui_Nameplates/addon.lua:71
NamePlateDriverFrame_AcquireUnitFrame = defined @Kui_Nameplates/hook.lua:21
Nameplate = {
}
Layout = defined @Kui_Nameplates/messages.lua:571
GetNameplateForGuid = defined @Kui_Nameplates/addon.lua:77
PrintTrace = defined @Kui_Nameplates/messages.lua:88
0 =
UI_SCALE_CHANGED = defined @Kui_Nameplates/addon.lua:135
NAME_PLATE_CREATED = defined @Kui_Nameplates/addon.lua:86
MAJOR = 2
PLAYER_LEAVING_WORLD = defined @Kui_Nameplates/addon.lua:126
print = defined @Kui_Nameplates/addon.lua:55
DEBUG_IGNORE = {
}
HookNameplate = defined @Kui_Nameplates/hook.lua:27
GetNameplateForUnit = defined @Kui_Nameplates/addon.lua:65
}
event = "PLAYER_LOGIN"
(*temporary) = nil
(*temporary) = nil
(*temporary) =
(*temporary) = defined @Blizzard_NamePlates/Blizzard_NamePlates.lua:322
(*temporary) = NamePlateDriverFrame {
0 =
OnNamePlateAdded = defined @Blizzard_NamePlates/Blizzard_NamePlates.lua:136
SetPersonalFriendlyBuffFrame = defined @Blizzard_NamePlates/Blizzard_NamePlates.lua:417
GetBaseNamePlateWidth = defined @Blizzard_NamePlates/Blizzard_NamePlates.lua:431
UpdateInsetsForType = defined @Blizzard_NamePlates/Blizzard_NamePlates.lua:183
namePlateAnchorFunctions = {
}
OnUnitAuraUpdate = defined @Blizzard_NamePlates/Blizzard_NamePlates.lua:210
showFriendlyBuffs = false
namePlateSetupFunctions = {
}
OnNamePlateResized = defined @Blizzard_NamePlates/Blizzard_NamePlates.lua:313
ApplyFrameOptions = defined @Blizzard_NamePlates/Blizzard_NamePlates.lua:160
IsUsingLargerNamePlateStyle = defined @Blizzard_NamePlates/Blizzard_NamePlates.lua:439
showDebuffsOnFriendly = true
UpdateNamePlateOptions = defined @Blizzard_NamePlates/Blizzard_NamePlates.lua:444
showPersonalCooldowns = false
AcquireUnitFrame = defined @Blizzard_NamePlates/Blizzard_NamePlates.lua:117
GetClassNameplateBar = defined @Blizzard_NamePlates/Blizzard_NamePlates.lua:404
OnForbiddenNamePlateCreated = defined @Blizzard_NamePlates/Blizzard_NamePlates.lua:108
SetClassNameplateBar = defined @Blizzard_NamePlates/Blizzard_NamePlates.lua:399
SetupClassNameplateBars = defined @Blizzard_NamePlates/Blizzard_NamePlates.lua:322
OnNamePlateCreated = defined @Blizzard_NamePlates/Blizzard_NamePlates.lua:104
SetClassNameplateManaBar = defined @Blizzard_NamePlates/Blizzard_NamePlates.lua:412
SetBaseNamePlateSize = defined @