Idoc type ORDERS01 inbound processing error

Hi!!

I want to send an Orders idoc (sales order) to the sap system, but in the inbound processing <b>this error occur: there is no article description for item</b>. Idoc status 51.

In the Document Item General Data segment of the idoc (E1EDP01) i only set the field MATNR and ABGRT if it helps.

What fields of what segments should I set to avoid this problem.

Thanks.