abrtd and abrt showing Corrupted or bad directory in /var/log/messages

Jul 24 10:52:12 rhel6 abrtd: New client connected
Jul 24 10:52:12 rhel6 abrt-server[66371]: Saved Python crash dump of pid 66370 to /var/spool/abrt/pyhook-2014-07-24-10:52:12-66370
Jul 24 10:52:12 rhel6 abrtd: Directory ‘pyhook-2014-07-24-10:52:12-66370′ creation detected
Jul 24 10:52:27 rhel6 abrtd: Sending an email…
Jul 24 10:52:27 rhel6 abrtd: Email was sent to: root@localhost
Jul 24 10:52:27 rhel6 abrtd: Duplicate: UUID
Jul 24 10:52:27 rhel6 abrtd: DUP_OF_DIR: /var/spool/abrt/pyhook-2014-06-12-14:10:18-27149
Jul 24 10:52:27 rhel6 abrtd: Corrupted or bad directory ‘/var/spool/abrt/pyhook-2014-07-24-10:47:08-41575′, deleting
Jul 24 10:54:44 rhel6 abrt: detected unhandled Python exception in ‘/usr/share/rhn/up2date_client/hardware.py’

You need to update the package rhn-client-tools and its dependencies.

root@rhel6:~ # yum update rhn-client-tools
root@rhel6:~ # service rhnsd restart

Souce: https://access.redhat.com/solutions/506353