SD100 is still a valid form. The Ohio Dept of Taxation (ODT) made a major change in SD100 for 2023. But TurboTax was late in updating the software to handle it, for e-filing. You may have to print and mail it.
You may need to contact TurboTax (TT) support:
https://ttlc.intuit.com/turbotax-support/en-us/help-article/account-management/contact-turbotax/L2y9...
