[otrs] Meaning of this Warning

Plz help me to understandthe meaning of following: (I m getting mail on root with content) ##########Start######### X-Cron-Env: X-cron_Env: /etc/cron.daily/00webalizer: Warning: Truncating oversized request field [18774] Warning: Truncating oversized request field [21143] Warning: Truncating oversized request field [22981] Warning: Truncating oversized request field [23163] ###########end######### plz let me know why this warning is there? Thank you.....