You will have to print and mail your return this year.
She has to amend her return. By the way, there is no 1040EZ for 2018. Everyone uses a new 1040. The forms are all different.
How to amend an Online return
https://ttlc.intuit.com/community/amending/help/how-do-i-amend-my-turbotax-online-return/00/27577
