[ingo] Ingo problem

[David Chang]

Hi all:
I got some problems.

1.Click "WiteList" Ingo compalin,
Notice: argument passed to unserialize() is not an string in
/usr/local/apache/horde.beta/ingo/lib/Storage/prefs.php on line 61

Warning: Cannot add header information - headers already sent by (output started
at /usr/local/apache/horde.beta/ingo/lib/Storage/prefs.php:61) in
/usr/local/apache/horde.beta/ingo/templates/common-header.inc on line 3

Warning: Cannot add header information - headers already sent by (output started
at /usr/local/apache/horde.beta/ingo/lib/Storage/prefs.php:61) in
/usr/local/apache/horde.beta/ingo/templates/common-header.inc on line 4

2.Click "Script" Ingo complain,
Notice: argument passed to unserialize() is not an string in
/usr/local/apache/horde.beta/ingo/lib/Storage/prefs.php on line 61

3.edit exist rule Ingo complain,
Notice: Undefined index: edit in /usr/local/apache/horde.beta/ingo/rule.php on
line 22

Warning: Cannot add header information - headers already sent by (output started
at /usr/local/apache/horde.beta/ingo/rule.php:22) in
/usr/local/apache/horde.beta/ingo/templates/common-header.inc on line 3

Warning: Cannot add header information - headers already sent by (output started
at /usr/local/apache/horde.beta/ingo/rule.php:22) in
/usr/local/apache/horde.beta/ingo/templates/common-header.inc on line 4


My ENV: cyrus imap 2.1.12 + sieve driver
ingo/config/conf.php
$conf['menu']['apps'] = array();
$conf['storage']['driver'] = 'prefs';
$conf['script']['path_style'] = 'mbox';

ingo/config/backends.conf
$backends['timsieved'] = array(
    'driver' => 'timsieved',
    'preferred' => 'my.example.com',
    'script' => 'sieve',
    'hordeauth' => 'user',
    'params' => array('hostspec' => 'my.example.com',
                      'port' => 2000));