After you cancelled the amended return did you take out the 16 dividend and put your return back to the original?
Go back in and take out the 1099Div.
Click on Add a State to let you back into your return.
From Tax Home (the first screen you see after you sign in), scroll down to Your tax returns & documents. You may have to select Show to open the drop down.
Select 2020, and then select Add a State (you're not actually adding a state, this is just the workaround).
