So I am trying to deduct nonbusiness bad debt. I have tried following the other items people have posted on here but it doesn't give you an option for bad debt just sell?

When I jump to the 1099 it doesn't give you an option for bad debt just selling of stocks and bonds. Can someone walk me through this with detailed instructions. I've tried looking up the answer on how to do it on Google but I cant get anywhere with that. Something must have changed on this year's version.
Thanks