It is possible part of your refund was offset.
For more information you can visit the websites below. Treasury Offset Program & Debt Management Services https://www.treasury.gov/services/report-fwa/Pages/treasury_offset_program.aspx
Who Can Garnish an Income Tax Refund? https://turbotax.intuit.com/tax-tips/tax-payments/who-can-garnish-an-income-tax-refund/L7cPPzDyc
What is a refund offset? https://ttlc.intuit.com/replies/4143297
If you chose to have your fees deducted, you can check with Santa Barbara Tax Products Group. https://help.sbtpg.com/hc/en-us/articles/230418728-What-s-the-status-of-my-2019-refund- https://help.sbtpg.com/hc/en-us/requests/new