error in exim log

[ktb <xyf@inebraska.com>]

What does this mean in my  '/var/log/exim/mainlog' ?

fire:/var/log/exim# less mainlog
2000-04-10 20:17:37 Start queue run: pid=709
2000-04-10 20:17:37 12e8Iw-0000Zy-00 == root@fire.one T=local_delivery defer
(13): Permission denied: failed to chdir to /root
2000-04-10 20:17:37 12e8IE-0000Xq-00 == root@fire.one T=local_delivery defer
(13): Permission denied: failed to chdir to /root
2000-04-10 20:17:37 12e8IK-0000Y1-00 == root@fire.one T=local_delivery defer
(13): Permission denied: failed to chdir to /root
2000-04-10 20:17:37 12e8IH-0000Xx-00 == root@fire.one T=local_delivery defer
(13): Permission denied: failed to chdir to /root
2000-04-10 20:17:37 End queue run: pid=709

It happens periodically in the file.  Does anyone know what is trying to
be done and how I fix this?
Thanks,
kent