I had this too, in TurboTax 2024 desktop on Mac. For me it was:
1. Asked for signature date, put it in
2. TurboTax says it's invalid, and I need to correct. I try just clicking continue, since it's already in the required range.
3. TurboTax still says it's invalid. I click continue a second time, and this time it's accepted.
I didn't change the date in the field at all, I just clicked continue twice and it worked the second time.
