Where did you enter it? It should not affect your 2019 state return. State taxes paid in 2019 for any year would only be a federal itemized deduction if you itemize on Schedule A. Go though your whole return and take it out. It only goes here,
Enter it under
Federal Taxes (or Personal for H&B)
Deductions and Credits
Then scroll way down to Estimates and Other Taxes Paid
Other Income Taxes - Click the Start or Update button
Next page scroll down to Other Income Taxes Paid in 2019
Balance due on your 2018 State taxes paid in 2019
or Payments for 2018 or a prior year state or local paid in 2019
