Check This Entry - Form 1099-B Worksheet Cost or Adjusted Basis (Positive Amounts Only) must be entered.
I don't have 1099-INT but software has prefilled this box with a random positive number ($725) and there's no way I can remove this. Even I don't have 1099-INT
TurboTax put large negative and positive numbers +-(15 digits of 9s) in Sch P, p1-2 for CA State Return