[horde] Horde installation error

[Nicola Gramola]

Hello,
I try to install Horde Webmail via PEAR, but during installation return
this error

Warning: in_array() expects parameter 2 to be array, boolean given in
PEAR/REST/10.php on line 707
PHP Warning:  in_array() expects parameter 2 to be array, boolean given in
/usr/share/php/PEAR/REST/10.** php on line 707
WARNING: "pear/Console_Getopt" is deprecated in favor of
"pear/Console_GetoptPlus"
downloading horde-5.0.2.tgz ...
Starting to download horde-5.0.2.tgz (2,852,457 bytes)
............... done: 2,852,457 bytes
ERROR: pear.horde.org/horde not installed

>
>
I try to clean installation and reinstall all. But no new result.


mail:~# pear  install -a  horde/webmail
Failed to download pear/Date_Holidays within preferred state "stable",
latest release is version 0.21.7, stability "alpha", use "channel://
pear.php.net/Date_Holidays-0.21.7" to install
pear.horde.org/webmail requires package "pear.horde.org/horde" (version >=
5.0.2, version <= 6.0.0alpha1, excluded versions: 6.0.0alpha1), installed
version is
pear.horde.org/imp requires package "pear.horde.org/horde" (version >=
5.0.0, version <= 6.0.0alpha1, excluded versions: 6.0.0alpha1), installed
version is
pear.horde.org/ingo requires package "pear.horde.org/horde" (version >=
5.0.0, version <= 6.0.0alpha1, excluded versions: 6.0.0alpha1), installed
version is
pear.horde.org/kronolith requires package "pear.horde.org/horde" (version
>= 5.0.0, version <= 6.0.0alpha1, excluded versions: 6.0.0alpha1),
installed version is
pear.horde.org/kronolith can optionally use package "pear/Date_Holidays"
(version >= 0.21.0)
pear.horde.org/mnemo requires package "pear.horde.org/horde" (version >=
5.0.0, version <= 6.0.0alpha1, excluded versions: 6.0.0alpha1), installed
version is
pear.horde.org/nag requires package "pear.horde.org/horde" (version >=
5.0.0, version <= 6.0.0alpha1, excluded versions: 6.0.0alpha1), installed
version is
pear.horde.org/turba requires package "pear.horde.org/horde" (version >=
5.0.0, version <= 6.0.0alpha1, excluded versions: 6.0.0alpha1), installed
version is
No valid packages found
install failed

Other ideas?
Thank to all

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