You must complete your non-resident GA return BEFORE you do your home state SC return in order for the credit to appear properly.
I appreciate the response.
I did complete my non-resident GA return before the SC return. I've also ensured proper profile information, such as home state and out-of-state income.
It sounds like you did things correctly, but you might want to again go through the step-by-step procedure as laid out in this TT Help response: