I see the following PHP errors in my log

I see the following PHP errors in my log. I'm currently running ver 1.5.2.1 with default templates.

• 2012-05-12 14:31:04 - PHP Notice: Undefined index: zone_id in /home3/superwe5/public_html/aquariusfountainsnmore/catalog/controller/account/register.php on line 322
  2012-05-12 19:48:59 - PHP Notice: Undefined index: address_1 in /home3/superwe5/public_html/aquariusfountainsnmore/catalog/controller/account/register.php on line 302
  2012-05-12 19:48:59 - PHP Notice: Undefined index: city in /home3/superwe5/public_html/aquariusfountainsnmore/catalog/controller/account/register.php on line 306
  2012-05-12 19:48:59 - PHP Notice: Undefined index: country_id in /home3/superwe5/public_html/aquariusfountainsnmore/catalog/controller/account/register.php on line 312
  2012-05-12 19:48:59 - PHP Notice: Undefined index: postcode in /home3/superwe5/public_html/aquariusfountainsnmore/catalog/controller/account/register.php on line 314
  2012-05-12 19:48:59 - PHP Notice: Undefined index: country_id in /home3/superwe5/public_html/aquariusfountainsnmore/catalog/controller/account/register.php on line 318
  2012-05-12 19:48:59 - PHP Notice: Undefined index: zone_id in /home3/superwe5/public_html/aquariusfountainsnmore/catalog/controller/account/register.php on line 322
  2012-05-12 19:48:59 - PHP Notice: Undefined index: password in /home3/superwe5/public_html/aquariusfountainsnmore/catalog/controller/account/register.php on line 326
  2012-05-12 19:48:59 - PHP Notice: Undefined index: confirm in /home3/superwe5/public_html/aquariusfountainsnmore/catalog/controller/account/register.php on line 330
  2012-05-12 19:48:59 - PHP Notice: Undefined index: password in /home3/superwe5/public_html/aquariusfountainsnmore/catalog/controller/account/register.php on line 330

Can anyone assist me please?