CWIP Asset not appearing at Prepare mass addation queue

Hi

We have created CWIP  Asset through payable, but Create mass addition programmer completed with out warning and prepare mass addition not showing my asset details. I had follow below steps, Please correct me if any thing wrong.

1) Create Invoice in Payable system

2) At distribution Level we have CWIP asset Clearing account

3)We had selected our FA book

4)We had enable the Track as asset

5)Validate AP Invoice, Create accounting completed

6)Create mass addition from payable responsibility

Please help me out above issue