Jamba error

[Tin]

Got this ones before, turning in quest in Argent Pavillion - every thing keep on loop. I disban the group from a alt - (can´t from leader) - and this come up on leader:

1 toon is stuck on follow in "jamba team" - have to taking the Fp - and when the toon get away - follow is clear and I can turn in.

Message: Invalid reward choice in GetQuestReward([choice])
Time: 06/13/10 21:58:42
Count: 4
Stack: [C]: ?
[C]: ?
[C]: ?
[C]: in function `GetQuestReward'
Interface\AddOns\Jamba-Quest\JambaQuest.lua:1234: in function `CheckForOverrideAndChooseQuestReward'
Interface\AddOns\Jamba-Quest\JambaQuest.lua:1292: in function `DoChooseQuestReward'
Interface\AddOns\Jamba-Quest\JambaQuest.lua:2064: in function `JambaOnCommandReceived'
Interface\AddOns\Jamba\JambaCore.lua:239: in function `OnCommandReceived'
Interface\AddOns\Jamba\JambaCommunications.lua:353 : in function `?'
...ore\libs\CallbackHandler-1.0\CallbackHandler-1.0.lua:146: in function <...ore\libs\CallbackHandler-1.0\CallbackHandler-1.0.lua:146>
[string "safecall Dispatcher[4]"]:4: in function <[string "safecall Dispatcher[4]"]:4>
[C]: ?
[string "safecall Dispatcher[4]"]:13: in function `?'
...ore\libs\CallbackHandler-1.0\CallbackHandler-1.0.lua:91: in function `Fire'
...ce\AddOns\DataStore\libs\AceComm-3.0\AceComm-3.0.lua:268: in function <...ce\AddOns\DataStore\libs\AceComm-3.0\AceComm-3.0.lua:257>

Locals: (*temporary) = 0