freepbx_dbug errors

hello,
Asterisk (Ver. 1.8.19.0)
freepbx 2.10.1.8

When I apply settings i allways get these errors in
/var/log/asterisk/freepbx_dbug

2013-Mar-03 04:56:24 /var/www/freepbx/admin/modules/directory/functions.inc.php:189
[NOTICE]: Undefined variable: keypress

2013-Mar-03 04:56:24 /var/www/freepbx/admin/modules/directory/functions.inc.php:189
[NOTICE]: Undefined index: retivr

2013-Mar-03 04:56:24 /var/www/freepbx/admin/modules/directory/functions.inc.php:189
[NOTICE]: Undefined variable: keypress

2013-Mar-03 04:56:24 /var/www/freepbx/admin/modules/directory/functions.inc.php:189
[NOTICE]: Undefined index: retivr

2013-Mar-03 04:56:24 /var/www/freepbx/admin/modules/customcontexts/functions.inc.php:52
[NOTICE]: Undefined variable: results

2013-Mar-03 04:56:24 /var/www/freepbx/admin/modules/sipsettings/functions.inc.php:162
[NOTICE]: Undefined variable: interim_settings

2013-Mar-03 04:56:24 /var/www/freepbx/admin/modules/sipsettings/functions.inc.php:174
[NOTICE]: Undefined variable: interim_settings

2013-Mar-03 04:56:24 /var/www/freepbx/admin/modules/sipsettings/functions.inc.php:175
[NOTICE]: Undefined variable: interim_settings

2013-Mar-03 04:56:24 /var/www/freepbx/admin/modules/sipsettings/functions.inc.php:176
[NOTICE]: Undefined variable: interim_settings

2013-Mar-03 04:56:24 /var/www/freepbx/admin/modules/sipsettings/functions.inc.php:231
[NOTICE]: Undefined variable: sip_settings

any ideas why ?
thanks
IN