WowAce

Freshly downloaded version 4.3.6, deleted all addon settings and started fresh. No unit frames are visible on the screen, though the /suf menu is accessable.

Date: 2021-08-24 01:27:41
ID: 1
Error occured in: Global
Count: 1
Message: ...nterface\AddOns\ShadowedUnitFrames\modules\units.lua line 1517:
Attempt to register unknown event "ARENA_PREP_OPPONENT_SPECIALIZATIONS"
Debug:
[string "=[C]"]: RegisterEvent()
[string "@ShadowedUnitFrames\modules\units.lua"]:1517: in main chunk
Locals:
(*temporary) = <unnamed> {
0 = <userdata>
}
(*temporary) = "ARENA_PREP_OPPONENT_SPECIALIZATIONS"

I'm currently using an older version, and it's working great with the exception of missing the "on aggro" border highlighting, which I really want to use