Hi, yes that is correct.
Have you looked at:
http://pcsupport.about.com/od/findbyerrormessage/a/502error.htm
and trying the steps.
502 error is normally an error between your computer and the server.
Try the following:
1. Clearing your browser cache
2. Restart the machine.
3. Get your host to restart (if you have the option)
Can you access via ftp ok?
*correction
I have 2 post types. 1. news. 2. people
In the news section i want a dropdown displaying a list of people for selection.