>hi Rick,
>
>i tried to use the solution you suggested but it seems that i'm missing something cause it doesn't seem to quite work.
>
>trace window pops up but when some error occurs, new instance of fox just displayes its error message and that's it. i still can't see what happens inside the function that caused the error.

You have to put a breakpoint in your code to see the code obviously. Otherwise the program will just bomb. The other instance (the IDE) is what you want in order to debug your code.