[BUG] So many issues with Classic Era today...

[Gogo1951]

What version number you are using?

Most recent regular release.

What game client are you playing? Retail, Wrath, Classic / Live, PTR, Beta

Classic Era.

What language is the game client set to?

Engrish.

Describe the bug

Lua error reported in bug sack.

Just reporting in case it's relevant. I know so few people play Classic Era these days.

To Reproduce
Steps to reproduce the behaviour, if possible:

Login.

Screenshots
If applicable, add screenshots to help explain your problem.

1x [ADDON_ACTION_BLOCKED] AddOn 'ArkInventory' tried to call the protected function 'ElvUF_PartyGroup1UnitButton1Target:SetSize()'.
[string "@!BugGrabber/BugGrabber.lua"]:485: in function <!BugGrabber/BugGrabber.lua:485>
[string "=[C]"]: in function `SetSize'
[string "@ElvUI/Core/General/Toolkit.lua"]:130: in function `Size'
[string "@ElvUI/Core/Modules/UnitFrames/Groups/Party.lua"]:136: in function `func'
[string "@ElvUI/Core/Modules/UnitFrames/UnitFrames.lua"]:966: in function `func'
[string "@ElvUI/Core/Modules/UnitFrames/UnitFrames.lua"]:914: in function `ExecuteForChildren'
[string "@ElvUI/Core/Modules/UnitFrames/UnitFrames.lua"]:980: in function `Update'
[string "@ElvUI/Core/Modules/UnitFrames/UnitFrames.lua"]:938: in function `Update'
[string "@ElvUI/Core/Modules/UnitFrames/UnitFrames.lua"]:1144: in function `CreateAndUpdateHeaderGroup'
[string "@ElvUI/Core/Modules/UnitFrames/UnitFrames.lua"]:1446: in function `UpdateAllHeaders'
[string "@ElvUI/Core/Modules/UnitFrames/UnitFrames.lua"]:732: in function `Update_AllFrames'
[string "@ElvUI/Core/Modules/UnitFrames/UnitFrames.lua"]:1017: in function `?'
[string "@BugSack/Libs/CallbackHandler-1.0-8/CallbackHandler-1.0.lua"]:109: in function <...ack/Libs/CallbackHandler-1.0/CallbackHandler-1.0.lua:109>
[string "=[C]"]: ?
[string "@BugSack/Libs/CallbackHandler-1.0-8/CallbackHandler-1.0.lua"]:19: in function <...ack/Libs/CallbackHandler-1.0/CallbackHandler-1.0.lua:15>
[string "@BugSack/Libs/CallbackHandler-1.0-8/CallbackHandler-1.0.lua"]:54: in function `Fire'
[string "@ArkInventory/Externals/Ace3/AceEvent/AceEvent-3.0-4.lua"]:120: in function <...rkInventory/Externals/Ace3/AceEvent/AceEvent-3.0.lua:119>

Locals:
_ = Frame {
}
event = "ADDON_ACTION_BLOCKED"
events = <table> {
}

Additional context
Add any other context about the problem here.

[arkayenro]

looks like an ElvUI issue - disable all mods except arkinventory and confirm please.