Please review the Sales Tax Deduction area in in the Federal return and the entries need review. Visit "Deductions and Credits" -> "Estimates and Other Taxes Paid" -> "Sales Tax"
Most likely all of the entries total to more than 366 days (leap year) lived in a state or states. Just double check the date ranges and ensure there is nothing overlapping. Or delete the entries that are not relevant.
Just like the original answer states, ensure that the end of one date range doesn't overlap in any way with beginning of next date range.
