It seems that you made your HSA contributions through your employer and have mistakenly reported these as being a personal contributions. Enter amounts shown in box 12 of your W-2 only in box 12 of TurboTax's W-2 form, nowhere else in TurboTax. The IRS considers contributions made through your employer to be employer contributions, not personal contributions, because the employer excludes these from the amount in box 1 of your W-2.
