>Hola Nadya:
>
>The ?on error is? set an active, but it just does not fire. This is really strange.
>

One way to get Fox totally confused is to do something while error handler is processing. It doesn't react to syntax errors, pretty much nothing. Haven't seen it since 1.02, though, but, just in case, try to suspend there and check if your error handler is anywhere up the call stack.