What information are lacking?
For 2017 AGI? How to find the AGI <a rel="nofollow" target="_blank" href="https://ttlc.intuit.com/replies/3301618">https://ttlc.intuit.com/replies/3301618</a>
The IRS requires your AGI for identity verification.
Please review the following TurboTax FAQ on locating your previous year's AGI:
https://ttlc.intuit.com/replies/3301618