Cyrus DB Error - seen flag`s

[Proskurin Kirill]

Gerard wrote:

 > Try deleting the seen file on one of the mailboxes and see if that 
resolves the issue. If it does you will need to delete all of the seen 
files and let Cyrus recreate them. The only loss would be that 
previously read messages will now be unread. I would suggest backing 
these up in the future if it is a concern.

Yes, im do it every time. It is solve a problem... but it  appear again 
and again. Im need to understand what it make a seen db file a broken 
and fix it.

-- 
Best regards,
     Proskurin Kirill