After you file

I amended it after I got my refund but I didn’t get my state refund for some reason. My federal amended return was accepted 10 mins after I filed it but my amended state is saying I need to mail it. Do you know why I have to mail my amended state but my federal was filed online by turbo tax, and why I haven’t gotten my state return yet? Also would I get my amended federal tax return even if I don’t mail my amended state?