What should I do if I don't have a document number on my license

[NjoyBhappy]

Are you in New York? 

This number is an 8 or 10 digit alphanumeric number located on the lower right corner of your license, permit or non-driver ID, (or on the back if it was produced after January 28, 2014).

For more information/picture see TurboTax FAQ: https://ttlc.intuit.com/replies/5624473