This is not an error - you will have to mail in the return.
SC Form I-361, 2017 PARENTAL
REFUNDABLE CREDIT is not supported by TurboTax.
(See State
Forms Availability Table for TurboTax Individual (Personal) Tax Products)
Per the 2017 SC1040 INDIVIDUAL INCOME TAX FORM & INSTRUCTIONS, this form must be attached to your SC 1040 Individual Tax Return. Since it is not supported by TurboTax, the return will have to be filed by mail.
