Go back to the MY INFO section and edit both of your first names.
Clear the data field and enter them again to get rid of any ghost entries, then try to e-file again.
Please follow the steps below to get to the section:
- Log into your account, click the orange Take me to my return button
- Type personal information in the Search box
- Then click jump to personal information
- You should now see page that says Personal info summary
- click edit next to the information you want to update.
The other option would be to log into return by clicking the Take me to my return button, click the Personal Info (next to Federal Taxes tab) tab at the top and click edit to update.