[horde] horde configuration problem

[???]

Hi all:
Horde cvs up2date.
I got such error msg,while click Horde in Administration->Configuration.
Env can be found here: http://210.241.49.68/horde.beta/test.php


Warning: implode(): Bad arguments. in /usr/local/lib/php/Horde/Config.php on
line 400

Warning: Cannot modify header information - headers already sent by (output
started at /usr/local/lib/php/Horde/Config.php:400) in
/usr/local/apache/horde.beta/templates/common-header.inc on line 3

Warning: Cannot modify header information - headers already sent by (output
started at /usr/local/lib/php/Horde/Config.php:400) in
/usr/local/apache/horde.beta/templates/common-header.inc on line 4