Thought I'd try out with the changes done so far. First error I got was this -

SVUI_!Core\system\gear.lua:221: attempt to call field 'GetEquippedArtifactRelicAttuneInfo' (a nil value)
SVUI_!Core\system\gear.lua:221: in function GetRelicItemLevel' SVUI_!Core\system\gear.lua:176: in function <SVUI_!Core\system\gear.lua:166> SVUI_!Core\system\gear.lua:234: in function ParseGearSlots'
SVUI_!Core\system\gear.lua:414: in function `f'
SVUI_!Core\libs_SVUI_Lib\Timers.lua:61: in function <SVUI_!Core\libs_SVUI_Lib\Timers.lua:52>

Locals:
itemLink = "|cffffffff|Hitem:139083::::::::110:253::25:3:1824:1472:3339:::|h[]|h|r"
itemName = nil
_ = nil
_ = nil
iLevelInfo = nil
_ = nil
itemType = nil
itemSubType = nil
_ = nil
_ = nil
_ = nil
_ = nil
attuned = 0
(for index) = 1
(for limit) = 3
(for step) = 1
i = 1
(*temporary) = nil
(*temporary) = 1
(*temporary) = "attempt to call field 'GetEquippedArtifactRelicAttuneInfo' (a nil value)"