Version: v2.0.10 BETA
Error: QuestieTracker.lua:6: attempt to call field '?' (a nil value)
Stack Trace:

[C]: in function `?'
QuestieTracker.lua:6: in function <QuestieTracker.lua:5>

Cause: The cause of the error seems to be due to the PLAYER_LOGOUT event is registered, but no event handler is defined.
Related: #101