dashCommerce

I get this error after the payment is successfully processed from the PAYPAL....when it returns to the Paypal PDT handler I get this... anybody having thoughts on this?

Invalid Order: The INSERT statement conflicted with the FOREIGN KEY constraint "FK_CSK_Store_OrderNote_CSK_Store_Order". The conflict occurred in database "keskocomaudb", table "dbo.CSK_Store_Order", column 'orderID'. The statement has been terminated.

 Can some one tell me how this PIECE of line gets the OrderID???  The truth is... it is not retreiving the correct order ID thatz why I am getting that Foreign Key error?

 Can Somebody from DashCommerce who wrote it please explain how this will even return the OrderID??? I am spending too much time on this mates....its getting serious..... 

        Dim sOrderID As String = Request.QueryString("cm").ToString() 

 [ This line of code is in ../PayPal/PDTHandler.aspx.vb ]