Bug occurs on loading screen so hard to say, buggrabber and bugsack are installed so I get the "fatality." while loading.
I posted the characters addon txt at the end and error stack right before it and quadruple spaced them to keep them nice and separate.

1x Interface/AddOns/SpartanUI/Themes/Fel/Style.lua:191: attempt to call method 'update' (a nil value)
[string "@Interface/AddOns/SpartanUI/Themes/Fel/Style.lua"]:191: in function MiniMap' [string "@Interface/AddOns/SpartanUI/Themes/Fel/Style.lua"]:170: in function EnableArtwork'
[string "@Interface/AddOns/SpartanUI/Themes/Fel/Style.lua"]:115: in function <Interface/AddOns/SpartanUI/Themes/Fel/Style.lua:111>
[string "=[C]"]: ?
[string "@Interface/AddOns/Ace3/AceAddon-3.0-13/AceAddon-3.0.lua"]:66: in function <Interface/AddOns/Ace3/AceAddon-3.0/AceAddon-3.0.lua:61>
[string "@Interface/AddOns/Ace3/AceAddon-3.0-13/AceAddon-3.0.lua"]:523: in function EnableAddon' [string "@Interface/AddOns/Ace3/AceAddon-3.0-13/AceAddon-3.0.lua"]:536: in function EnableAddon'
[string "@Interface/AddOns/Ace3/AceAddon-3.0-13/AceAddon-3.0.lua"]:626: in function <Interface/AddOns/Ace3/AceAddon-3.0/AceAddon-3.0.lua:611>

Locals:
self =

{
Database = {
}
modules = {
}
defaultModuleLibraries = {
}
name = "SpartanUI_Style.Fel"
orderedModules = {
}
DB = {
}
baseName = "SpartanUI"
enabledState = true
Settings = {
}
defaultModuleState = true
moduleName = "Style.Fel"
}
enfulfed = {
position = "CENTER,Minimap,CENTER,5,23"
size = {
}
texture = "SpartanUI\Themes\Fel\Images\Minimap-Engulfed"
}
calmed = {
position = "CENTER,Minimap,CENTER,3,-1"
size = {
}
texture = "SpartanUI\Themes\Fel\Images\Minimap-Calmed"
}
(*temporary) = nil
(*temporary) = {
Database = {
}
modules = {
}
coordsTimer = {
}
defaultModuleState = true
enabledState = true
description = "CORE: Skins, sizes, and positions the Minimap"
Settings = {
}
defaultModuleLibraries = {
}
name = "SpartanUI_Minimap"
orderedModules = {
}
BaseOpt = {
}
DB = {
}
baseName = "SpartanUI"
Core = true
moduleName = "Minimap"
}
(*temporary) = true
(*temporary) = "attempt to call method 'update' (a nil value)"
SUI = {
IsRetail = true
modules = {
}
baseName = "SpartanUI"
wowVersion = "Retail"
reloaduiWindow = Frame {
}
Lib = {
}
BuildNum = "1"
Setup = {
}
defaultModuleState = true
MoveIt = {
}
CharDB = {
}
Handlers = {
}
enabledState = true
IsDF = true
Options = {
}
Event = {
}
Version = "6.6.12"
Font = {
}
Skins = {
}
Chat = {
}
defaultModuleLibraries = {
}
IsClassic = false
Minimap = {
}
Bartender4Version = "4.15.1"
AutoOpenErrors = true
GitHash = "afe4871"
opt = {
}
SpartanUIDB = {
}
StdUi = {
}
name = "SpartanUI"
orderedModules = {
}
DB = {
}
UF = {
}
IsWrath = false
L = {
}
DBG = {
}
IsTBC = false
DBdefault = {
}
}

DBM-Core: enabled
DBM-GUI: enabled
DBM-StatusBarTimers: enabled
DBM-SpellTimers: enabled
DBM-SoundEventsPack: enabled
DBM-VPVEM: enabled
DBM-Brawlers: enabled
DBM-Challenges: enabled
DBM-Delves-WarWithin: enabled
DBM-Party-BC: enabled
DBM-Party-BfA: enabled
DBM-Party-Cataclysm: enabled
DBM-Party-Dragonflight: enabled
DBM-Party-Legion: enabled
DBM-Party-MoP: enabled
DBM-Party-Shadowlands: enabled
DBM-Party-Vanilla: enabled
DBM-Party-WoD: enabled
DBM-Party-WotLK: enabled
DBM-Party-WarWithin: enabled
DBM-Affixes: enabled
DBM-PvP: enabled
DBM-Raids-BfA: enabled
DBM-Raids-Cata: enabled
DBM-Raids-Legion: enabled
DBM-Raids-MoP: enabled
DBM-Raids-Shadowlands: enabled
DBM-Raids-Vanilla: enabled
DBM-Raids-WoD: enabled
DBM-Raids-WoTLK: enabled
DBM-Raids-WarWithin: enabled
DBM-Scenario-MoP: enabled
DBM-BfA: enabled
DBM-Cataclysm: enabled
DBM-BrokenIsles: enabled
DBM-Pandaria: enabled
DBM-Shadowlands: enabled
DBM-KhazAlgar: enabled
DBM-Draenor: enabled
DBM-WorldEvents: enabled
DBM-Test: enabled
DBM-Test-Dungeons: enabled
DBM-Test-WarWithin: enabled
DBM-Interrupts: enabled
AceGUI-3.0-Selectable-Panel: enabled
AceGUI-3.0_SFX-Widgets: enabled
ACP: enabled
AdvancedInterfaceOptions: enabled
Atlas: disabled
AtlasQuest: disabled
Auctionator: disabled
SYH: disabled
Bartender4: enabled
BaudBag: enabled
Broker_Portals: enabled
BtWLoadouts: enabled
BtWQuests: enabled
BtWQuestsBattleForAzeroth: enabled
BtWQuestsCataclysm: enabled
BtWQuestsDragonflight: enabled
BtWQuestsLegion: enabled
BtWQuestsMistsOfPandaria: enabled
BtWQuestsShadowlands: enabled
BtWQuestsTheBurningCrusade: enabled
BtWQuestsTheWarWithin: enabled
BtWQuestsWarlordsOfDraenor: enabled
BtWQuestsWrathOfTheLichKing: enabled
!BugGrabber: enabled
BugSack: enabled
Classic Quest Log: enabled
Clique: enabled
Details_TargetCaller: enabled
Details: enabled
Details_Compare2: enabled
Details_EncounterDetails: enabled
Details_RaidCheck: enabled
Details_DataStorage: enabled
Details_Streamer: disabled
Details_TimeLine: enabled
Details_TinyThreat: enabled
Details_Vanguard: enabled
Details_ChartViewer: enabled
Easy_Obliterate: disabled
Fontmancer: enabled
GarrisonMissionManager: disabled
GatherMate2: enabled
GatherMate2_Data: enabled
GatherMate_Sharing: enabled
gmFonts: disabled
GSE: enabled
GSE_LDB: enabled
GSE_GUI: enabled
GSE_Utils: enabled
GSE3-Elfyau_Mage: disabled
HandyNotes: enabled
HandyNotes_BattleForAzeroth: enabled
HandyNotes_Cataclysm: enabled
HandyNotes_Dragonflight: enabled
HandyNotes_DungeonLocations: enabled
HandyNotes_Legion: enabled
HandyNotes_MapNotes: enabled
HandyNotes_MistsOfPandaria: enabled
HandyNotes_Shadowlands: enabled
HandyNotes_TheBurningCrusade: enabled
HandyNotes_TheWarWithin: enabled
HandyNotes_WarlordsOfDraenor: enabled
HandyNotes_WorldOfWarcraft: enabled
HandyNotes_WrathOfTheLichKing: enabled
HandyNotes_DragonGlyphs: enabled
IceHUD: enabled
IceHUD_Options: enabled
InspectEquip-3: disabled
!KalielsTracker: enabled
LFGCallToArmsBroker: disabled
Ace3: enabled
LibDFramework-1.0: enabled
MacroToolkit: enabled
MacroToolkitIcons: enabled
Mapster: enabled
MapsterEnhanced: disabled
Masque: enabled
Masque_Cirque: enabled
Masque_OyanaUI: disabled
MasterPlan: enabled
MasterPlanA: enabled
MaxDps: disabled
MaxDps_DeathKnight: enabled
MaxDps_DemonHunter: enabled
MaxDps_Druid: enabled
MaxDps_Evoker: enabled
MaxDps_Hunter: enabled
MaxDps_Mage: enabled
MaxDps_Monk: enabled
MaxDps_Paladin: enabled
MaxDps_Priest: enabled
MaxDps_Rogue: enabled
MaxDps_Shaman: enabled
MaxDps_Warlock: enabled
MaxDps_Warrior: enabled
!MoncaiCompare: disabled
MoveAnything: enabled
Omen: disabled
OmniCC: enabled
OmniCC_Config: enabled
OmniCD: enabled
Overachiever: disabled
Overachiever_Cache: disabled
Overachiever_Tabs: disabled
Overachiever_Trade: disabled
Paste: disabled
PasteNG: enabled
PersonalLootHelper: enabled
PetTracker: disabled
PetTracker_Battle: disabled
PetTracker_Config: disabled
PetTracker_Journal: disabled
Postal: enabled
Prat-3.0: enabled
QuestCompletist: enabled
RareScanner: enabled
ShadowedUF_Options: disabled
ShadowedUnitFrames: disabled
SharedMedia: enabled
SharedMediaAdditionalFonts: enabled
SharedMedia_ClassicalFonts: enabled
Skinner: disabled
SpartanUI: enabled
TidyPlates_ThreatPlates: enabled
TidyPlates: disabled
TidyPlatesHub: disabled
TidyPlatesWidgets: disabled
TidyPlates_Graphite: disabled
TidyPlates_Grey: disabled
TidyPlates_Neon: disabled
TidyPlates_Quatre: disabled
TinyInspect: enabled
TomTom: enabled
WeakAuras: enabled
WeakAurasArchive: enabled
WeakAurasModelPaths: enabled
WeakAurasOptions: enabled
WeakAurasTemplates: enabled
WIM: enabled
WorldQuestTracker: enabled
Yatlas: disabled
ZPerl_ArcaneBar: enabled
ZPerl_CustomHighlight: enabled
ZPerl_Options: enabled
ZPerl_Party: enabled
ZPerl_PartyPet: enabled
ZPerl_Player: disabled
ZPerl_PlayerBuffs: disabled
ZPerl_PlayerPet: disabled
ZPerl_RaidAdmin: enabled
ZPerl_RaidFrames: enabled
ZPerl_RaidHelper: enabled
ZPerl_RaidMonitor: enabled
ZPerl_RaidPets: enabled
ZPerl_Target: enabled
ZPerl_TargetTarget: enabled
ZPerl: enabled
Blizzard_ObjectiveTracker: enabled
Blizzard_CompactRaidFrames: enabled
Blizzard_CombatText: enabled
WeakAurasCompanion: enabled
XPerl_TeamSpeak: disabled
GSE3-Elfyau_DeathKnight: disabled
GSE3-Elfyau_DemonH: disabled
GSE3-Elfyau_Druid: disabled
GSE3-Elfyau_Evoker: disabled
GSE3-Elfyau_Hunter: disabled
GSE3-Elfyau_Monk: disabled
GSE3-Elfyau_Paladin: disabled
GSE3-Elfyau_Priest: disabled
GSE3-Elfyau_Rogue: disabled
GSE3-Elfyau_Shaman: disabled
GSE3-Elfyau_Warlock: disabled
GSE3-Elfyau_Warrior: disabled