opensuse 12.1 Webmin CronJobs not running

Hi,everyone

I use webmin to enable cron jobs ;
I select more than one option, but only one execution.
If i enable or disable one option,the crontab file will be add “# (Cronie version 4.2)”。

linux5h-i17723:~ # cat /var/spool/cron/tabs/root

DO NOT EDIT THIS FILE - edit the master and reinstall.

(/tmp/crontab.TKwWZS installed on Mon Dec 19 21:32:24 2011)

(Cronie version 4.2)

(Cronie version 4.2)

(Cronie version 4.2)

(Cronie version 4.2)

(Cronie version 4.2)

(Cronie version 4.2)

(Cronie version 4.2)

(Cronie version 4.2)

(Cronie version 4.2)

(Cronie version 4.2)

(Cronie version 4.2)

(Cronie version 4.2)

(Cronie version 4.2)

(Cronie version 4.2)

(Cronie version 4.2)

(Cronie version 4.2)

#test

0,5,10,15,20,25,30,35,40,45,50,55 * * * * php /usr/www/cacti/poller.php > /dev/null 2>&1