You can still efile. You have to go back and say you can be claimed on someone else's return. Or don't you qualify for them to claim you? Do they need to amend their return and take you off?
Can they claim you? Who can you claim
https://ttlc.intuit.com/community/credits-and-deductions/help/who-can-i-claim-as-my-dependent/01/267...
Go into My Info and go though the questions there is one that says Someone else can claim me. YES or NO.
See this article
https://ttlc.intuit.com/turbotax-support/en-us/help-article/tax-return/indicate-claimed-dependent-so...
1. Open or continue your return in TurboTax, if you haven’t already.
2. Select My Info from the side menu.
3. Select Edit next to your name.
4. On Your personal info, scroll down and answer Yes to Someone else can claim me as a dependent.
Or if you want to still claim yourself you will have to print and mail your return. The fees are the same whether you efile or print and mail.
