Solution:
Default parameter is set to migrate CUSTOM_MODE=FORCE. This will not remove objects from the list of aol report request group. User could change the migration option using the following steps:
1. Go to Maintenance | General | Object Types | select oracle apps setup object from the drop list.
2. Select AOL Report Request Groups for example. Click the setup button.
3. Select the proper ebiz version.
4. The default parameters is set to CUSTOM_MODE=FORCE. Change it to UPLOAD_MODE=REPLACE CUSTOM_MODE=FORCE
5. Click the update button
6. Bounce the stat oracle agent