Getting an error when trying to complete. 1040/1040SR Wks: Line 11 is too large. 0 is 'too large' because line 10 is negative. Where do I opt out of this deferment?

You can defer payment up to the amount on line 10 until 12/31/2021 or12/31/2022 by reporting the amount on line 10 above (or a smaller amount)on Schedule 3 line 12e.

11 Enter the amount to report on Schedule 3 line 12e