This article is from a FAQ concerning SCO operating systems. While some of the information may be applicable to any OS, or any Unix or Linux OS, it may be specific to SCO Xenix, Open There is lots of Linux, Mac OS X and general Unix info elsewhere on this site: Search this site is the best way to find anything.
This is related to the Calendar server- see "man calendar" and "man scocalendar". Usually this means that something is broken, so if you aren't using calendar, and therefore don't care that it is broken, you can just comment out the "cronsched" entries from root's crontab.
If you do care, see Cron entry generates "cronsched: Error occurred at server" message..
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