Error when Sending IDOC PORDCR103 with more than one record or multiple items in one purchase order

Hello experts,

I am trying to send idoc from DS to sap ecc.I am using standard idoc,i.e,,PORDCR103

My source data contained with purchase order details, some purchase order data is with multiple lines.

I can only send one record with one item successfully each time  but it's giving the following error when I send more than one record or one PO with multiple lines. please can anybody helps.

1580 10128 R3C-244005 18/04/2014 08:23:47 |Data flow DF_1305_PO_CREATE_IDOC_LATEST|Loader PORDCR103

1580 10128 R3C-244005 18/04/2014 08:23:47 IDoc target tried to generate IDoc <PORDCR103> from NRDM data: <

1580 10128 R3C-244005 18/04/2014 08:23:47 IDoc Error: Message:      Adding this segment exceeds maximum allowed number of repetition E1BPMEPOHEADER

1580 10128 R3C-244005 18/04/2014 08:23:47 IDoc Type:    PORDCR103

1580 10128 R3C-244005 18/04/2014 08:23:47 Release:      731

1580 10128 R3C-244005 18/04/2014 08:23:47 IDoc Number:

1580 10128 R3C-244005 18/04/2014 08:23:47 Segment Name: Not Applicable

1580 10128 R3C-244005 18/04/2014 08:23:47 Segment Type: E1BPMEPOHEADER

1580 10128 R3C-244005 18/04/2014 08:23:47 Field Name:   Not Applicable

1580 10128 R3C-244005 18/04/2014 08:23:47 >. Check your input data.

thank you.

regards

mohan