The zero'ing needs to be done at this point, but that is not the cause of being unable to file NC.
The NCDOR has already said they will not be taking in any efiles until the 24th of Feb, and after that will not process anything until the week of 28 Feb:
See:
NCDOR Issues Update On Opening Of 2022 Tax Season | NCDOR
____________*Answers are correct to the best of my knowledge when posted, but should not be considered to be legal or official tax advice.*
