[imp] passwd problem

[JC]

i have the following problem with passwd:
Warning: require(/usr/share/horde3/lib/../passwd/templates/common-header.inc)
[function.require]: failed to open stream: Permiso denegado in
/usr/share/horde3/passwd/main.php on line 265

Fatal error: require() [function.require]: Failed opening required
'/usr/share/horde3/lib/../passwd/templates/common-header.inc'
(include_path='/usr/share/horde3/lib:.:/usr/share/php:/usr/share/pear') in
/usr/share/horde3/passwd/main.php on line 265

The permissions are:
smtp:/usr/share/horde3/passwd# ls -l main.php
-rw-r--r-- 1 www-data www-data 10747 jul 14 03:21 main.php