Error
Form 8962 is missing from your return.
Solution
Add and/or complete Form 8962. Premium Tax Credit.
If you are unable to complete Form 8962, access your account, go to Step 4 and select the "Click here to add ACA Explanation" button.
Make the correction(s) and resubmit.
If you are making a payment, you may have to re-date Step 3, Payment Options.