I guess that Anonymous Monk is making a joke on you. We can't know where the error is, because you don't show us any code, any data or anything to work with. How do you expect us to help you?

Please reduce your code to the minimal self-contained program that still fails. This program should be about 20 or 30 lines in length. It should also contain all the data necessary to reproduce the error. Please also explain what you think should happen, and what happens for you.