I am from china. This is my first topic. I ran into some difficulties. It is about Facebook wall.
I according to the following website
http://www.moskjis.com/other-platforms/publish-facebook-page-wall-from-your-site , when I enter https://login.facebook.com/code_gen.php?api_key=YOUR_API_KEY&v=1.0
It seems that new Facebook version seem app_id and app_key is same,
my App_ID/API_Key is xxxxxxxxxx [blocked sensitive content] replace with YOUR_API_KEY, but the result is
Error
An error occurred. Please try later
My English is poor, do you understand what my issue is? you know, Facebook is cut-out in China. Only a few people use it,so I come to this for help.

your secret key and ID shouldnt be the same. Go to developer’s app and check from there. Hope this helps