It depends. If you already filed your federal return, you'll have to wait until that return has been accepted before you can e-file your state.
Once your federal return has been accepted you should be able to e-file your state return.
To e-file your return:
If you are not able to e-file due to a form on your return that cannot be e-filed, then you will not be assessed a penalty.
Per NYS, you're required to electronically file your return if you meet all three of the following conditions:
You are qualified to mail in your return because your software does not support electronic filing of this form.
If you are NOT including a payment, mail your return to:
STATE PROCESSING CENTER
PO BOX 61000
ALBANY NY 12261-0001
If you ARE including a payment (check or money order), mail your return (including Form IT-201-V) to:
STATE PROCESSING CENTER
PO BOX 15555
ALBANY NY 12212-5555