>At least, we can say it's a bug
>
>And it's not only try/catch. I have tried it with the classic on('error') and also with a class with an error function in it (createobject + execute function new_ix)
>
>All scenario's had the same result

So Fabio's workaround with FLock() may be the only way around this. Now the question is, will Fox release the lock when the append is finished.