ASP.NET, SQL Server, WPF, C#, VB.NET

Hi, 
 
I try to register. I place the details collected from the user onto the 
 
commerce server tables, but I get the following error 
 
[COMException (0x8002000b): Invalid index.]. I get the same error when I 
 
try to log on as well.This problem does not come in the test environment, 
 
but in the production environment. please assist