DBERROR - how do I recover?

[Shelley Waltz]

I just restarted my cyrus-imapd 2.2 and got a DBERROR.  I removed the
duplicate db since the error persisted and this has worked in the past.

I am still in trouble on my production system - help

Jun 23 12:57:34 chipmunk lmtpunix[4948]: DBERROR db4: fatal region error
detected; run recovery
Jun 23 12:57:34 chipmunk lmtpunix[4948]: DBERROR: dbenv->open
'/var/lib/imap/db' failed: DB_RUNRECOVERY: Fatal error, run database
recovery
Jun 23 12:57:34 chipmunk lmtpunix[4948]: DBERROR: init() on berkeley
Jun 23 12:57:34 chipmunk lmtpunix[4948]: executed
Jun 23 12:57:34 chipmunk lmtpunix[4948]: DBERROR db4: environment not yet
opened
Jun 23 12:57:34 chipmunk lmtpunix[4948]: DBERROR: opening
/var/lib/imap/deliver.db: Invalid argument
Jun 23 12:57:34 chipmunk lmtpunix[4948]: DBERROR: opening
/var/lib/imap/deliver.db: cyrusdb error
Jun 23 12:57:34 chipmunk lmtpunix[4948]: FATAL: lmtpd: unable to init
duplicate delivery database
Jun 23 12:57:34 chipmunk master[1691]: process 4948 exited, status 75
Jun 23 12:57:34 chipmunk master[1691]: service lmtpunix pid 4948 in READY
state: terminated abnormally
Jun 23 12:57:34 chipmunk master[4949]: about to exec
/usr/lib/cyrus-imapd/lmtpd

what can i do to recover from this problem - no mail is going through.

thanks S