InfoPath Dev

We recently made some changes to a form. The form works fine when created new, but if a user attempts to open a form that already exists, they get this message. ''This value cannot be modified because it has been submitted through a data connection'' Any thoughts around a general place to start trouble shooting would be appreciated. cj

New to the forum - Cheers! Q: I've got serveral forms that users are filling out to manage individual projects. Stored on SharePoint in Forms lib. I'm creating a dashboard form that should use a repeating table to load in values from those forms. However, I cannot filter on the repeatable fields - for example give me all the info from forms ...