Got this on my Warrior on a PvP server "Spinebreaker" while doing The Originals Quest
Will try reinstalling addon later tonight after work and test again..

840x Carbonite.Quests\NxQuest.lua:4206: bad argument #1 to 'strmatch' (string expected, got nil)
[C]: in function strmatch' Carbonite.Quests\NxQuest.lua:4206: in function CalcDesc'
Carbonite.Quests\NxQuest.lua:3837: in function RecordQuestsLog' Carbonite.Quests\NxQuest.lua:3459: in function RecordQuests'
Carbonite.Quests\NxQuest.lua:11131: in function `func'
DataStore\libs\AceTimer-3.0\AceTimer-3.0-17.lua:55: in function <DataStore\libs\AceTimer-3.0\AceTimer-3.0.lua:48>

Locals:
(*temporary) = nil
(*temporary) = "(%d+)/(%d+) (.+)"
(*temporary) = "string expected, got nil"