Starting this thread because it seems like a general problem.  Two post yesterday.  Mine was one of them.  I will post links to both here.  Basically if I have attachments on a partnership return I get an error on the Information Worksheet that says a binary attachment is causing an efile issue and the return can't be efiled.  If I remove all of the attachments, it goes away.  If I add one back, the error is back.  Here are the 2 threads....

https://accountants.intuit.com/community/proseries-tax-discussions/discussion/form-3800/00/320621

https://accountants.intuit.com/community/proseries-tax-discussions/discussion/partnership-error/00/3...