Hi Venkat,
The error is being caused by a missing Business System in your SLD. You will need to create a Business System for the ABAP system in the SLD.
1.Access the SLD for your system.
2.Go to "Business System", and select "New Business System"
3.Under "System Type", choose "AS ABAP". Select Next.
4.Follow the steps provided in http://help.sap.com/saphelp_nwpi711/helpdata/en/48/b681ea96655295e10000000a42189b/content.htm
Regards,
Mate