Describe the bug
Getting a crash which results in not being able to load unit frames in spartan UI classic view. This happens whenever I logged in a character. Already tried to uninstall and install it without any luck. Information:

Date: 2022-11-08 12:57:24
ID: 1
Error occured in: Global
Count: 1
Message: ...ce\AddOns\SpartanUI\libs\Non-Retail\oUF\blizzard.lua line 109:
attempt to index global 'PartyFrame' (a nil value)
Debug:
[string "=(tail call)"]: ?
[string "@SpartanUI\libs\Non-Retail\oUF\blizzard.lua"]:109: DisableBlizzard()
[string "@SpartanUI\libs\Non-Retail\oUF\ouf.lua"]:714: SpawnHeader()
[string "@SpartanUI\modules\UnitFrames\Units\raid.lua"]:42: groupbuilder()
[string "@SpartanUI\modules\UnitFrames\Handlers\Units.lua"]:94: BuildGroup()
[string "@SpartanUI\modules\UnitFrames\SpawnFrames.lua"]:286: SpawnFrames()
[string "@SpartanUI\modules\UnitFrames\Framework.lua"]:195:
...ce\AddOns\SpartanUI\modules\UnitFrames\Framework.lua:189
[string "=[C]"]: ?
[string "@ace3\AceAddon-3.0\AceAddon-3.0.lua"]:66:
Ace3\AceAddon-3.0\AceAddon-3.0.lua:61
[string "@ace3\AceAddon-3.0\AceAddon-3.0.lua"]:523: EnableAddon()
[string "@ace3\AceAddon-3.0\AceAddon-3.0.lua"]:536: EnableAddon()
[string "@ace3\AceAddon-3.0\AceAddon-3.0.lua"]:626:
Ace3\AceAddon-3.0\AceAddon-3.0.lua:611
Locals:
None
AddOns:
Swatter, v3.4.6817 (SwimmingSeadragon)
Ace3, vRelease-r1294
AtlasLootClassic, vv3.0.7
AtlasLootClassicData, vv3.0.7
AtlasLootClassicDungeonsAndRaids, vv3.0.7
AucAdvanced, v3.4.6825 (SwimmingSeadragon)
AucFilterBasic, v3.4.6803 (SwimmingSeadragon)
AucStatHistogram, v3.4.6805 (SwimmingSeadragon)
AucStatiLevel, v3.4.6809 (SwimmingSeadragon)
AucStatPurchased, v3.4.6806 (SwimmingSeadragon)
AucStatSimple, v3.4.6807 (SwimmingSeadragon)
AucStatStdDev, v3.4.6808 (SwimmingSeadragon)
AucUtilFixAH, v3.4.6810 (SwimmingSeadragon)
BagBrother, v
Bagnon, v10.0.3
BagnonItemInfo, v2.0.42-Release
BagnonItemLevel, v2.0.61-Release
BeanCounter, v3.4.6811 (SwimmingSeadragon)
BuffwatchClassic, v3.00
ChatCopyPaste, v1.13
ClassicAuraDurations, v3.0
ClassicLootManager, vv2.6.0
Clique, vv3.4.10-release
DBMCore, v11fef96
DBMStatusBarTimers, v11fef96
DBMVPVEM, v0dab85c
Details, v#Details.DF.Wrath.10259.146
DetailsEncounterDetails, v
DetailsRaidCheck, v
DetailsStreamer, v
DetailsTinyThreat, v
DetailsVanguard, v
Enchantrix, v3.4.6821 (SwimmingSeadragon)
EnchantrixBarker, v3.4.6813 (SwimmingSeadragon)
ExRT, v4680
Grid2, v2.0.63
Grid2LDB, v2.0.63
Grid2RaidDebuffs, v2.0.63
GuildRosterManager, v1.946
HealBarsClassic, v
LeatrixMaps, v3.0.48
LFGBulletinBoard, v3.05
MikScrollingBattleText, v5.7.153
MRT, v4680
NovaInstanceTracker, v1.37
NovaWorldBuffs, v2.40
Outfitter, v3.0.0
PallyPower, vv1.5.0-classic
Quartz, v3.7.0
RaidBuffTracker, v3.00
SimpleDruidMana, v0.6.0
SlideBar, v3.4.6815 (SwimmingSeadragon)
SpartanUI, v6.1.22
Stubby, v3.4.6816 (SwimmingSeadragon)
ThreatClassic2, v2.45
TomTom, vv3.3.4-release
TotemTimers, v3.1.11
VendorPrice, v1.6.1
WeakAuras, v5.1.0
WoWPro, v2022.11.03.A
WoWProLeveling, v2022.11.03.A
BlizRuntimeLib_enUS v3.4.0.30400
(ck=74a)

Work around, delete account saved variables for SpartanUI, and install the previous version 6.1.21. (WARNING: By doing this you will need to configure it again your SpartanUI)

yes, true - player and other unitframes are gone in WOTLK (not in Retail) - installed 6.1.2.1 again for WOTLK - didn't had to configure new as far as I can just see

Sorry, new update out to fix it. I caught this last night but accidently only applied it to the coming SUI 6.2 builds

Confirmed, 6.1.23 solves it. Much appreciated!