I had an Iowa 1065 rejected for e-filing because "Iowa Form IA 1065, Part VII, line 34, Composite and PTET credits has an amount entered. IA Schedule CC is required for electronic filing and is not a supported form. Print and mail the return to the Iowa Department of Revenue."

I'm confused because I don't have any out of state owners so IA Schedule CC is not required. 

Any idea how to get around this? Iowa requires e-filing so I don't want to get penalized for sending them paper returns.