Cron scripts error

[luisgh@cogs.susx.ac.uk (Luis Francisco Gonzalez)]

Hi,
after reinstalling the system recently, I have been receving this message 
from cron everytime it runs:

> From: root (Cron Daemon)
> To: root
> Subject: Cron <root@masca> run-parts /etc/cron.daily
> X-Cron-Env: <SHELL=/bin/sh>
> X-Cron-Env: <PATH=/usr/local/sbin:/usr/local/bin:/sbin:/bin:/usr/sbin:/usr/bin>
> X-Cron-Env: <HOME=/root>
> X-Cron-Env: <LOGNAME=root>
> Status: RO
> 
> run-parts: /etc/cron.daily/find exited with return code 1

Looking at the offending script, it seems that it has problems while issuing

su nobody

If I do this by hand, it complains that it can't run /dev/null which is the
default shell for nobody. What is going on? How can I repair this? Any hints
or pointers would be welcome!

Thanks in advance.
Luis.


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