At 05:53 PM 5/3/2001 -0300, you wrote:

>Ann, thanks for your answer...
>
>I tried... But I couldn't perform the database backup... I got the same
>message...

Before you give up, try using gbak from a command line.
Sometimes all these fancy controls get in the way.

gbak -b -g -i -v <database> <backup file>

Regards,

Ann