There is a Reason to ask
Some CURRENT activity may be needing to update the Database entries associated with the record that would clash with a background task if it just
completed uncontrolled.
The Dialog is 'Are you ready'
BTW I have had my hand smacked because I started a Count Pages and spotted a Metadata Typo in one of the books and tried to change it (it would result in 2 changes for the same record at the same time

)