Working on the state gambling winnings (W-26), your drop down box 13 is missing the state of Washington. How do I proceed?

Your drop down box is missing a state.  My W-26 (state gambling winnings), box 13 State/Payer's state ID number says WA/.  Your drop down box to select the state is missing the State of Washington.  Your software insists I review it and enter the state.