cron problem

[Jonas Heyman]

Hello

I got a cron message like :
--
>From news Sat Jan  6 05:00:13 1990
Received: by lkbpyr.lkb.se (5.57/smail2.5/11-13-87)
	   id AA11023; Sat, 6 Jan 90 05:00:10 +0100
Date: Sat, 6 Jan 90 05:00:10 +0100
From: news (news)
Message-Id: <9001060400.AA11023 at lkbpyr.lkb.se>
Cron: can't change directory to your home directory.
Apparently-To: news
Status: OR

Your commands will not be executed.
--
What is the problem here,how do I fix this ?

Thanks Jonas