Error when grouping

[Xylan Trueheart]

Here's something that has cropped up after the new release. Error as seen by BugGrabber, enUS client. Wiped older version and installing new one fresh.

This error appears whenever I group with my girlfriend (yes I have one and yes she likes to play Wow too. Lucky me ) She also uses Carbonite but has a older version installed. I politely suggested in a oblique way she update her version ~ahem~. Anyway this also happens with a few LFD groups I've encountered and from the quest completion announcement in chat I assume some of the groups I ran with had Carbonite installed as well. When I solo I don't have this error. Maybe grouping with players who have a older version is the issue. Something to be aware of.

296x Carbonite.Quests-1.0\NxQuest.lua:4440: attempt to compare number with nil
Carbonite.Quests-1.0\NxQuest.lua:4440: in function "OnMsgQuest"
Carbonite-5.2.1\NxCom.lua:530: in function <Carbonite\NxCom.lua:498>
<string>:"safecall Dispatcher[4]":4: in function <string>:"safecall Dispatcher[4]":4
<in C code>
<string>:"safecall Dispatcher[4]":13: in function "?"
Ace3-Release-r1083\CallbackHandler-1.0\CallbackHandler-1.0-6.lua:92: in function "Fire"
Ace3-Release-r1083\AceComm-3.0\AceComm-3.0-7.lua:339: in function <Ace3\AceComm-3.0\AceComm-3.0.lua:321>

Locals:
nil