TT Business is flagging an error on Form 1120S in the "Additional Taxes Smart Worksheet" line A. I have a zero on that line and TT Business is flagging it in red. This line derives from Form 4255 which is completely blank and zero. I've tried deleting form 4255 because it is not needed, but that doesn't solve the problem.
How do I resolve this? It is preventing me from filing my return.
