InfoPath Dev

I debug this form on MOSS which has Infopath Form Service installed, but it is not error or exception thrown by my code. It happened when I Save the form. I am not sure whether it is due to some feature not supported by IF service. Hope you can give some hint. Thanks

Hi:  I build an Infopath template by Visual Studio 2008, and publish it on MOSS 2007 successfully. The form is Full Trusted. I have Infopath Client installed on this server. Also I create an Infopath form library which I can creat or edit Infopath form by MS Infopath. But if I create in brower and trying to save it, it shows warning as ...