@Ynakuboy
....what is forcing you to do a state Mail-in?
you might be able to e-file it later......after the Federal forms are accepted (the week after 12 Feb)
Which state?
IF Illinois, exactly how did you enter your W-2? SSN mismatch?
____________*Answers are correct to the best of my knowledge when posted, but should not be considered to be legal or official tax advice.*
