InfoPath Dev

Greg,  It looks like the problem ended up being from a secondary data source that was no longer used by the form.  I don't know why that would cause the form to error out, but removing the unused secondary data source did the trick. 

Greg,  I have 2 repeating tables on a view and I have 2 drop down boxes using the first column of these 2 repeating tables as the data source.  I backed out all the changes I made and when I set these 2 data sources is when I get the error message.

Greg,  I am adding/deleting rows to repeating tables.

I have started getting errors while switching views through the browser.  The default view loads fine.  There are no errors when publishing the form.  But I get the "The Form has been closed" message when switching views.  The SharePoint logs show this series of errors when I get that message from the ...