Hi Mohan,
Just manually add the object ID when creating the relationship vs. selecting from the dropdown. In regards to planning status, within the SAP library you find that planning versions are used 'To maintain multiple copies of the same or similar plans on the system... You can then plan and evaluate possible organizational changes without affecting the active plan version". Now, in order to change the status, I believe that you can run standard program RHAKTI00 to do so.
Hope this helps!