Well - that's why I was asking about whether the form is in production. You don't have to have a specific group for the section - you can bind a section to another field or group in the schema. But, in InfoPath Forms Services (browser) forms my experience has been that deleting a field or group from the template actually causes additional schema validation errors. I guess what I'm not understanding is the complete inconsistency of the issue. I.e. - yesterday, you opened some XML files successfully. Without changing (or republishing? I'm not sure from your answer whether you republished the form between checking these files yesterday) the XSN (InfoPath form) the XML files won't open today. I don't understand if the PowerShell script that changes your files runs on all files - that is, did the XML files you successfully opened yesterday get touched at all by the PowerShell script? I guess if you are already running a script on all these files, you could just have it remove the submit element entirely, and bind that section in the form to something else...
Hilary Stoupa
