AR_Receipt_API_PUB - Error

Hi,
I would like to ask for help..
Here is my code below:

Declare
    l_return_status VARCHAR2(1);
    l_msg_count NUMBER;
    l_msg_data VARCHAR2(240);
    l_cash_receipt_id NUMBER;
    p_count number := 0;
Begin
    --
    fnd_global.apps_initialize(1133, 50668, 222);
    mo_global.init('S',81);
    mo_global.set_policy_context('S',81);
    --fnd_client_info.set_org_context (81);
    ar_receipt_api_pub.create_and_apply
    (p_api_version => 1.0,
     p_init_msg_list => FND_API.G_TRUE,
     p_commit => FND_API.G_TRUE,
     p_validation_level => FND_API.G_VALID_LEVEL_FULL,
     x_return_status => l_return_status,
     x_msg_count => l_msg_count,