@PeterNelsonBush Verify that you software is at the latest release. Click on Online at the top of the desktop program screen. Click on Check for Updates.
If at the latest release then save the tax return and close the TurboTax program. Re-boot you computer. After the re-boot open the TurboTax program and see if the problem persists.
The only reasons that TurboTax would make the QCD entry red is if the IRA/SEP/SIMPLE box is not marked, the individual making the charitable contribution has not yet reached age 70½ as indicated by the birth date entered into TurboTax, the charitable contribution amount exceeds the gross-distribution amount or the distribution code is not 7 or 4.
Is the IRA/SEP/SIMPLE box marked on the Form 1099-R provided by that payer and on TurboTax's 1099-R form? QCDs are only permitted to be made from IRAs, not from other types of retirement accounts.
If the distribution code is 4, was your wife over age 70½ in 2022? (If the code is 7, I assume that your wife was over age 70½ since you said that the QCD came from her RMD.)