Dep Posting

When I am executing AFAB at Test Run the Dep amount T E S T R U N completed successfully with posting Date as 31-07-2010 Date created: 23.07.2010 for Period: 2010/007/01. with the Dep Amounts.

But when I am executing Planned posting Run without Test Run it is not positng Depreceiation. What I need to do if I wanted to post the Dep as and when I wanted to post. What is the reason for not posting the Dep