Your post shows you are using the TurboTax online web-based editions and not the TurboTax desktop editions installed on a personal computer.
The TurboTax Deluxe online editions has never supported entry of an investment sale or a Form 1099-B. That is only supported using the Premium online edition.
The TurboTax Deluxe desktop edition does support entry of an investment sale and supports Form 1099-B.
