Message: Interface\AddOns\Kui_Nameplates_Core\hook.lua:262: Usage: UnitAffectingCombat("unit")
Time: Mon Aug 9 10:51:17 2021
Count: 4
Stack: Interface\AddOns\Kui_Nameplates_Core\hook.lua:262: Usage: UnitAffectingCombat("unit")
[string "=[C]"]: in function UnitAffectingCombat' [string "@Interface\AddOns\Kui_Nameplates_Core\hook.lua"]:262: in function ?'
[string "@interface\AddOns\Kui_Nameplates\plugins/fading.lua"]:53: in function <Interface\AddOns\Kui_Nameplates\plugins/fading.lua:50>
[string "@interface\AddOns\Kui_Nameplates\plugins/fading.lua"]:70: in function <Interface\AddOns\Kui_Nameplates\plugins/fading.lua:66>
[string "@interface\AddOns\Kui_Nameplates\plugins/fading.lua"]:79: in function <Interface\AddOns\Kui_Nameplates\plugins/fading.lua:76>

Locals: (*temporary) = nil

That's what I get when looting both old and new mobs in WoW. Happens since 2 days now.