It would be a state form that summarizes your W-2s and 1099s, if any. It is a print only form, and would be kept for your own reference, not e-filed That form would not keep you from e-filing, it's just not finalized yet for printing. Most VA forms, including the main form, are not yet finalized and will keep you from e-filing.
Here's a link that will allow you to check on the progress of various VA forms.
https://ttlc.intuit.com/questions/1908857-state-forms-availability-table-for-turbotax-individual-per...#