I need to change my answer on the affordable act. I need to change my answer to NO to the question if you have marketplace insurance and it won't let me go back?

If you need to delete the 1095A from your return

To delete it, please follow these steps:

1. In TurboTax, open your return
2. In the left-hand column, locate Tax Tools, click on the drop-down arrow then click on Tools
3. On the Tools Center  page, click on Delete a form 
4. A list of forms will appear. Locate the Form 1095-A and click Delete next to it.
5. On the next screen, click Delete Form