I am getting Cron Daemon mail in my root account everyday but can't understand what this is telling to me
This is the contents of the mail. This mail is having 200 lines in this. Kindly help me that is it giving me some crucial warning or just giving its routine checkup report.  I am my system as webserver+mailserver+samba server.

/etc/cron.daily/00webalizer:

Warning: Truncating oversized date field
Warning: Truncating oversized date field
 

/etc/cron.daily/00webalizer is a web server log file analysis program which produces usage statistics in HTML format for viewing with a browser.
/etc/cron.daily/00webalizer supports CLF (common log format) log files, as well as Combined log formats as defined by NCSA and others, and variations of these which it attempts to handle intelligently. In addition, the Webalizer also supports wu-ftpd xferlog formatted log files, allowing analysis of ftp servers, and squid proxy logs.

Your web server log file date fields were too long, when webalizer did the analysis, the date field values were truncated.

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