[CentOS] Cron error

Hello,
 
This morning, root received an e-mail from the cron daemon as the following:
 
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Subject: Cron <root> run-parts /etc/cron.daily
 
/etc/cron.daily:00webalizer:
 
Warning: Truncating oversized referrer field
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I haven't changed anything to cron or to my intranet website (I'm assuming
that's what the webalizer is about) in the last few days.
 
I did do a reboot yesterday which was the first one in a few weeks.
 
Does anybody know what this message is?
 
Michael
 
 
 
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