Seems more like its an ace3 library error or something;

Message: SendChatMessage(): Invalid escape code in chat message
Time: 11/08/10 00:34:28
Count: 1
Stack: [C]: ?
[C]: in function `SendChatMessage'
Interface\AddOns\Jamba-Talk\JambaTalk.lua:456: in function <Interface\AddOns\Jamba-Talk\JambaTalk.lua:439>
(tail call): ?
...ce\AddOns\Jamba\Libs\AceComm-3.0\ChatThrottleLib.lua:416: in function `SendChatMessage'
Interface\AddOns\Jamba\JambaCommunications.lua:745 : in function `SendChatMessage'
Interface\AddOns\Jamba-Talk\JambaTalk.lua:519: in function `ForwardWhisperToMaster'
Interface\AddOns\Jamba-Talk\JambaTalk.lua:484: in function `?'
...er4\libs\CallbackHandler-1.0\CallbackHandler-1.0.lua:147: in function <...er4\libs\CallbackHandler-1.0\CallbackHandler-1.0.lua:147>
[string "safecall Dispatcher[16]"]:4: in function <[string "safecall Dispatcher[16]"]:4>
[C]: ?
[string "safecall Dispatcher[16]"]:13: in function `?'
...er4\libs\CallbackHandler-1.0\CallbackHandler-1.0.lua:92: in function `Fire'
...AddOns\Bartender4\libs\AceEvent-3.0\AceEvent-3.0.lua:120: in function <...AddOns\Bartender4\libs\AceEvent-3.0\AceEvent-3.0.lua:119>

Locals: <none>