24x Ovale\dist\GUID.lua:278: Usage: UnitGUID("unit")
[C]: ?
Ovale\dist\GUID.lua:278: in function UnitGUID' Ovale\dist\Aura.lua:719: in function ScanAuras'
Ovale\dist\Aura.lua:507: in function ?' ...que\Libs\CallbackHandler-1.0\CallbackHandler-1.0-7.lua:119: in function <...que\Libs\CallbackHandler-1.0\CallbackHandler-1.0.lua:119> [C]: ? ...que\Libs\CallbackHandler-1.0\CallbackHandler-1.0-7.lua:29: in function <...que\Libs\CallbackHandler-1.0\CallbackHandler-1.0.lua:25> ...que\Libs\CallbackHandler-1.0\CallbackHandler-1.0-7.lua:64: in function Fire'
ElvUI\Libraries\AceEvent-3.0\AceEvent-3.0-4.lua:120: in function <ElvUI\Libraries\AceEvent-3.0\AceEvent-3.0.lua:119>

Locals:
InCombatSkipped

Getting same error. Had to revert back to 8.0.4 again.

Fairly spammy. Happens on party formation, mounting, party member targeting, etc.