NO AUTHORISATION TO CREATE DELIVERIES FOR SHIPPING POINT 1203.

Hi ,

i have developed one alv report which contains sales order details, from that am trying to create deliveries

using BAPI  ' BAPI_OUTB_DELIVERY_CREATE_SLS'

I am able to create deliveries but for some sales orders when iam trying create deleivery

it is giving message  NO AUTHORISATION TO CREATE DELIVERIES FOR SHIPPING POINT 1203.

please guide me how to resolve.

Thanks

srini