Game and Plater version
Which is the game version and Plater version you're using?
Full /plater version output please.
Plater version info:
Plater-v585b-Retail - DF v565 - 11.0.2

Describe the bug
Happened after hitting Arcane Torrent with a boss with a buff on it.

Lua Error
20x Plater Script Aura is Shield [P] OnUpdate error:
Mod/Script URL:
Plater-v585b-Retail - DF v565 - 11.0.2
[string "UpdateCode for Aura is Shield [P]"]:12: attempt to call global 'UnitAuraSlots' (a nil value)
[string "UpdateCode for Aura is Shield [P]"]:12: in function <[string "UpdateCode for Aura is Shield [P]"]:1>
[string "=[C]"]: ?
[string "@Plater/Plater.lua"]:11121: in function ScriptRunOnUpdate' [string "@Plater/Plater_Auras.lua"]:1905: in function RunScriptTriggersForAuraIcons'
[string "@Plater/Plater.lua"]:6381: in function <Plater/Plater.lua:6195>

Locals:
Skipped (In Encounter)

Screenshots
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Other Information
If necessary, add more info here.

This should be resolved since daa5277