Using 668 - With hunter and pets out getting this (not getting this with other alts):

5x bad argument #1 to '?' (Usage: local spellInfo = C_Spell.GetSpellInfo(spellIdentifier))
[string "=[C]"]: in function GetSpellInfo' [string "@Raven/Shims.lua"]:88: in function GetSpellInfo'
[string "@Raven/Profile.lua"]:358: in function SetCooldownDefaults' [string "@Raven/Profile.lua"]:121: in function InitializeProfile'
[string "@Raven/Main.lua"]:873: in function <Raven/Main.lua:869>
[string "=[C]"]: ?
[string "@Masque/Libs/AceAddon-3.0-13/AceAddon-3.0.lua"]:66: in function <...aceMasque/Libs/AceAddon-3.0/AceAddon-3.0.lua:61>
[string "@Masque/Libs/AceAddon-3.0-13/AceAddon-3.0.lua"]:523: in function EnableAddon' [string "@Masque/Libs/AceAddon-3.0-13/AceAddon-3.0.lua"]:626: in function <...aceMasque/Libs/AceAddon-3.0/AceAddon-3.0.lua:611> [string "=[C]"]: ? [string "=[C]"]: in function LoadAddOn'
[string "@Blizzard_UIParent/Mainline/UIParent.lua"]:422: in function UIParentLoadAddOn' [string "@Blizzard_UIParent/Mainline/UIParent.lua"]:627: in function MajorFactions_LoadUI'
[string "@Blizzard_ExpansionLandingPage/Blizzard_DragonflightLandingPage.lua"]:103: in function SetUpMajorFactionList' [string "@Blizzard_ExpansionLandingPage/Blizzard_DragonflightLandingPage.lua"]:96: in function RefreshMajorFactionList'
[string "@Blizzard_ExpansionLandingPage/Blizzard_DragonflightLandingPage.lua"]:91: in function RefreshOverlay' [string "@Blizzard_ExpansionLandingPage/Blizzard_DragonflightLandingPage.lua"]:83: in function <...sionLandingPage/Blizzard_DragonflightLandingPage.lua:79> [string "=[C]"]: ? [string "=[C]"]: in function CreateFrame'
[string "@Blizzard_ExpansionLandingPage/Blizzard_DragonflightLandingPage.lua"]:49: in function CreateOverlay' [string "@Blizzard_ExpansionLandingPage/Blizzard_ExpansionLandingPage.lua"]:78: in function RefreshExpansionOverlay'
[string "@Blizzard_ExpansionLandingPage/Blizzard_ExpansionLandingPage.lua"]:37: in function <...pansionLandingPage/Blizzard_ExpansionLandingPage.lua:35>

Locals:
(*temporary) = "bad argument #1 to '?' (Usage: local spellInfo = C_Spell.GetSpellInfo(spellIdentifier))"

Thanks for the report, r669 should fix the problem.