Re-Installation

Hi there I think I have messed up configuration after installing fro 1.4.9.4 to 1.5.0 and again 1.5.1 and restoring the backup folder now I am lost please can any one help I am getting this error on index page

Notice: Undefined index: key in /home/softland/public_html/store/catalog/model/checkout/extension.php on line 15Notice: Undefined index: key in /home/softland/public_html/store/catalog/model/checkout/extension.php on line 15Notice: Undefined index: key in /home/softland/public_html/store/catalog/model/checkout/extension.php on line 15Notice: Undefined index: key in /home/softland/public_html/store/catalog/model/checkout/extension.php on line 15Notice: Undefined index: key in /home/softland/public_html/store/catalog/model/checkout/extension.php on line 15Notice: Undefined index: key in /home/softland/public_html/store/catalog/model/checkout/extension.php on line 15Notice: Undefined index: key in /home/softland/public_html/store/catalog/model/checkout/extension.php on line 15Notice: Undefined index: key in /home/softland/public_html/store/catalog/model/checkout/extension.php on line 15Notice: Undefined index: key in /home/softland/public_html/store/catalog/model/checkout/extension.php on line 15Notice: Undefined index: key in /home/softland/public_html/store/catalog/model/checkout/extension.php on line 15Notice: Undefined index: key in /home/softland/public_html/store/catalog/model/checkout/extension.php on line 15Notice: Undefined index: key in /home/softland/public_html/store/catalog/model/checkout/extension.php on line 15Notice: Undefined index: key in /home/softland/public_html/store/catalog/model/checkout/extension.php on line 15Notice: Undefined index: key in /home/softland/public_html/store/catalog/model/checkout/extension.php on line 15Notice: Undefined index: key in /home/softland/public_html/store/catalog/model/checkout/extension.php on line 15Notice: Undefined index: key in /home/softland/public_html/store/catalog/model/checkout/extension.php on line 15Notice: Undefined index: key in /home/softland/public_html/store/catalog/model/checkout/extension.php on line 15Notice: Undefined index: key in /home/softland/public_html/store/catalog/model/checkout/extension.php on line 15Notice: Undefined index: key in /home/softland/public_html/store/catalog/model/checkout/extension.php on line 15Notice: Undefined index: key in /home/softland/public_html/store/catalog/model/checkout/extension.php on line 15Notice: Undefined index: key in /home/softland/public_html/store/catalog/model/checkout/extension.php on line 15Notice: Undefined index: key in /home/softland/public_html/store/catalog/model/checkout/extension.php on line 15Notice: Undefined index: key in /home/softland/public_html/store/catalog/model/checkout/extension.php on line 15Notice: Undefined index: key in /home/softland/public_html/store/catalog/model/checkout/extension.php on line 15Notice: Undefined index: key in /home/softland/public_html/store/catalog/model/checkout/extension.php on line 15Notice: Undefined index: key in /home/softland/public_html/store/catalog/controller/common/column_right.php on line 11Notice: Undefined index: key in /home/softland/public_html/store/catalog/controller/common/column_right.php on line 11Notice: Undefined index: key in /home/softland/public_html/store/catalog/controller/common/column_right.php on line 11Notice: Undefined index: key in /home/softland/public_html/store/catalog/controller/common/column_right.php on line 11Notice: Undefined index: key in /home/softland/public_html/store/catalog/controller/common/column_right.php on line 11Notice: Undefined index: key in /home/softland/public_html/store/catalog/controller/common/column_right.php on line 11Notice: Undefined index: key in /home/softland/public_html/store/catalog/controller/common/column_right.php on line 11Notice: Undefined index: key in /home/softland/public_html/store/catalog/controller/common/column_right.php on line 11Notice: Undefined index: key in /home/softland/public_html/store/catalog/controller/common/column_right.php on line 11Notice: Undefined index: key in /home/softland/public_html/store/catalog/controller/common/column_right.php on line 11Notice: Undefined index: key in /home/softland/public_html/store/catalog/controller/common/column_right.php on line 11Notice: Undefined index: key in /home/softland/public_html/store/catalog/controller/common/column_right.php on line 11Notice: Undefined index: key in /home/softland/public_html/store/catalog/controller/common/column_right.php on line 11Notice: Undefined index: key in /home/softland/public_html/store/catalog/controller/common/column_right.php on line 11Notice: Undefined index: key in /home/softland/public_html/store/catalog/controller/common/column_right.php on line 11Notice: Undefined index: key in /home/softland/public_html/store/catalog/controller/common/column_right.php on line 11Notice: Undefined index: key in /home/softland/public_html/store/catalog/controller/common/column_right.php on line 11Notice: Undefined index: key in /home/softland/public_html/store/catalog/controller/common/column_right.php on line 11Notice: Undefined index: key in /home/softland/public_html/store/catalog/controller/common/column_right.php on line 11Notice: Undefined index: key in /home/softland/public_html/store/catalog/controller/common/column_right.php on line 11Notice: Undefined index: key in /home/softland/public_html/store/catalog/controller/common/column_right.php on line 11Notice: Undefined index: key in /home/softland/public_html/store/catalog/controller/common/column_right.php on line 11Notice: Undefined index: key in /home/softland/public_html/store/catalog/controller/common/column_right.php on line 11Notice: Undefined index: key in /home/softland/public_html/store/catalog/controller/common/column_right.php on line 11Notice: Undefined index: key in /home/softland/public_html/store/catalog/controller/common/column_right.php on line 11Notice: Undefined index: key in /home/softland/public_html/store/catalog/controller/common/column_left.php on line 11Notice: Undefined index: key in /home/softland/public_html/store/catalog/controller/common/column_left.php on line 11Notice: Undefined index: key in /home/softland/public_html/store/catalog/controller/common/column_left.php on line 11Notice: Undefined index: key in /home/softland/public_html/store/catalog/controller/common/column_left.php on line 11Notice: Undefined index: key in /home/softland/public_html/store/catalog/controller/common/column_left.php on line 11Notice: Undefined index: key in /home/softland/public_html/store/catalog/controller/common/column_left.php on line 11Notice: Undefined index: key in /home/softland/public_html/store/catalog/controller/common/column_left.php on line 11Notice: Undefined index: key in /home/softland/public_html/store/catalog/controller/common/column_left.php on line 11Notice: Undefined index: key in /home/softland/public_html/store/catalog/controller/common/column_left.php on line 11Notice: Undefined index: key in /home/softland/public_html/store/catalog/controller/common/column_left.php on line 11Notice: Undefined index: key in /home/softland/public_html/store/catalog/controller/common/column_left.php on line 11Notice: Undefined index: key in /home/softland/public_html/store/catalog/controller/common/column_left.php on line 11Notice: Undefined index: key in /home/softland/public_html/store/catalog/controller/common/column_left.php on line 11Notice: Undefined index: key in /home/softland/public_html/store/catalog/controller/common/column_left.php on line 11Notice: Undefined index: key in /home/softland/public_html/store/catalog/controller/common/column_left.php on line 11Notice: Undefined index: key in /home/softland/public_html/store/catalog/controller/common/column_left.php on line 11Notice: Undefined index: key in /home/softland/public_html/store/catalog/controller/common/column_left.php on line 11Notice: Undefined index: key in /home/softland/public_html/store/catalog/controller/common/column_left.php on line 11Notice: Undefined index: key in /home/softland/public_html/store/catalog/controller/common/column_left.php on line 11Notice: Undefined index: key in /home/softland/public_html/store/catalog/controller/common/column_left.php on line 11Notice: Undefined index: key in /home/softland/public_html/store/catalog/controller/common/column_left.php on line 11Notice: Undefined index: key in /home/softland/public_html/store/catalog/controller/common/column_left.php on line 11Notice: Undefined index: key in /home/softland/public_html/store/catalog/controller/common/column_left.php on line 11Notice: Undefined index: key in /home/softland/public_html/store/catalog/controller/common/column_left.php on line 11Notice: Undefined index: key in /home/softland/public_html/store/catalog/controller/common/column_left.php on line 11


and at admin page Im getting this error

Error: Unknown column 'o.currency' in 'field list'
Error No: 1054
SELECT o.order_id, CONCAT(o.firstname, ' ', o.lastname) AS name, (SELECT os.name FROM _shoporder_status os WHERE os.order_status_id = o.order_status_id AND os.language_id = '1') AS status, o.date_added, o.total, o.currency, o.value FROM `_shoporder` o WHERE o.order_status_id > '0' ORDER BY o.date_added DESC LIMIT 0,10

Thanks and appreciate your help.

Reinstalling or upgrading?

I had upgrade from 1.4.9 to 1.5.x

I get the same error...
Can't log in to admin and all my store items are gone... :-/

I have the exact same problem. PLEASE HELP!

I have the same problem But i am trying to reinstall v1.4.9.4 I put my old back files back after failing to upgrade successfully and now im getting the same errors. is there something special I need to do If reinstalling?

Update: I switched to Zen Cart and I am SO MUCH happier.