InfoPath Dev

Im using Infopath 2003. On the info path application, I created a Custom Control (Microsoft office Spreadsheet 11.0) . In that custom control, I'm using SQL data connection and select query.    

Dear all, I have created a report using Infopath and published the same to Sharepoint. (WSS 2003). For some machines, the infopath report is working fine. Im getting the below error if I tried to open the same report in certain system. Infopath cannot create a new, blank form. One or more required custom control in the form cannot be ...