Roth IRA 1099-R Import from Brokerage on TurboTax being Taxed

Hello, during 2022 I withdraw contributions from a Roth IRA that I've had for many years. While completing the 1099-R section in TurboTax, I imported the 1099-R from my brokerage company. Turbox Tax is now showing I owe taxes on this amount.  However, on the 1099-R form, box 2b - Taxable amount not determined is checked. How can I correct this?