not sure if applicable in your case, but several years ago, i had a similar situation on an Alabama return, and i had to have my cursor in the line ( Form 505 line 45 in your case), and then i went to to the attach .pdf and it attached it to that specific line. worth a try, i suppose.
If an answer solves your issue, click on the "Accept as Solution" button! Makes it easier for people to find answers to similar questions that have already been posted.
