Shopping cart error

Need help, I install the shopping cart template and i get the following error when check out.. Need help anyone got a fix...

shirley

Technical information
Error type 8

Error description Undefined variable: val

URL charmingtravelint.com/tour/client/scsales_order_main_add.php?

Error file /home/charming/public_html/tour/client/oldinclude/dal_source.php

Error line 886

SQL query insert into `scsales_order_main` (`Order_date`, `Cust_email`, `shipto_name`, `shipto_address`, `shipto_city`, `shipto_state`, `shipto_zip`, `shipto_country`, `Contact_phoneno`, `Pay_type`, `order_comment`, `user_id`, `status`, `Tax_id`, `Pay_date`) values ('2009-04-28 23:30:37', 'shirleyarriola@yahoo.com', 'Celina Arriola', '3482 Nature Trail Ct.', 'perris', 'CA', '92571', 'US', '951-639-3929', 'PP', '', 12, 'PLACED', '', '2009-04-28 23:30:43')