5x ...rfaceRarity\Libs\LibBars-1.0\LibBars-1.0-90024.lua:362: attempt to call method 'SetBackdrop' (a nil value) [string "@Rarity\Libs\LibBars-1.0\LibBars-1.0-90024.lua"]:362: in function NewBarGroup'
[string "@Rarity\Core\GUI.lua"]:129: in function InitialiseBar' [string "@Rarity\Core.lua"]:194: in function DoEnable'
[string "@Rarity\Core.lua"]:165: in function <Rarity\Core.lua:164>
[string "=[C]"]: ?
[string "@AdiBags\libs\AceAddon-3.0\AceAddon-3.0-13.lua"]:70: in function <...ceAdiBags\libs\AceAddon-3.0\AceAddon-3.0.lua:65>
[string "@AdiBags\libs\AceAddon-3.0\AceAddon-3.0-13.lua"]:527: in function EnableAddon' [string "@AdiBags\libs\AceAddon-3.0\AceAddon-3.0-13.lua"]:630: in function <...ceAdiBags\libs\AceAddon-3.0\AceAddon-3.0.lua:615>

Rarity is responsible for this error.