Getting error in using WSH_DELIVERIES_PUB.Delivery_Action

Hello Team,

I am getting error as like below:

Message Data Count for Insert Serials to test 1

Message Data for Insert Serials to test: WSHMessage Data Less than 1 : WSH+---------------------------------------------------------------------------+

The Code to ship confirm as:

  FND_GLOBAL.APPS_INITIALIZE (user_id        => 1130,

                                           resp_id        => 21623,

                                           resp_appl_id   => 660);

               -- Values for Ship Confirming the delivery

               p_action_code := 'CONFIRM'; -- The action code for ship confirm

               FND_FILE.PUT_LINE (

                  FND_FILE.LOG,

                     'Calling Insert Serials Delivery id Exception DISCRETE to test:'

                  || c_eligible_orders_rec.delivery_id);

               p_delivery_id := c_eligible_orders_rec.delivery_id; -- The delivery that needs to be confirmed