Sounds like you messed up part of the task setup. I think that happens if you have the tasks activities numbered wrong. Remember that they have to start at 0 and increment up by 1. The wiki pages for tasks can be very helpful.
http://www.eqemulator.net/wiki/wikka...goryTaskSystem
Also, the Taskmaster tool that KLS created is very helpful for tasks:
http://code.google.com/p/projecteqemu/downloads/list