You may not have checked the box where it asks if the mortgage is secured by the property. Edit the 1098 Mortgage statement. You'll get to the Is this loan secured by a property of yours? screen. See my screenshot below.
Here are the new tax law requirements and limitations regarding the mortgage interest deduction: https://ttlc.intuit.com/replies/3300473
[Edited 4-14-19|11:47 am PST]
