Tax and Interest Deduction Worksheet: dates entered result in more 366 days. in my review i cant change anything on schedule A form. where do i go to change dates?

line 1b(2) is set to 01/01/2020 but i cant change any info other than that one specific date. i went through the site and cant find where "Tax and Interest deduction Worksheet" is located to change dates. where do i go to change this?