這裡有一篇可以解決發生這樣問題的處理：
http://forums.cpanel.net/showthread.php?s=&threadid=24423&highlight=horde
基本上就是：
Usually this is because the horde db doesn\'t exists. You can confirm this by doing the following from the command line:
[~]# mysql horde
If it does not exist, you will see:
ERROR 1049: Unknown database \'horde\'
If this is the case, run the following:
[~]# mysqladmin create horde
[~]# /scripts/fullhordereset