Hi Suresh,
First of all you need to maintain a SCU with attaribute INV (Warehouse) in /SCWM/scumain
then you can maintain the SCU hierarchy with your Shipping Office and Receiving Office as required in /scwm/scuhiermain
then you need to assigned this SCU ot your warehouse in Master Data in SPRO --> Assign Warehouse Number
Regards
Anoop