PORDCR103 - Mapping Vendor article number to local article number

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Hi,

we receive from a customer sales and purchase orders that we want to create in our SAP ERP system using IDOCs. In our PI system we map the customer messages to ORDERS (Sales order) and PORDCR103 (Purchase order) IDOCs. We are using ORDERS IDOCs for a long time but it is the first time we are using PORDCR103. In both cases the customer message contains the customer article number. We will have a mapping in SAP ERP between our and customer article number.

ORDERS:

We have maintained a customer material info record (Transaction VD51/52/53, table KNMT).

Using this for ORDERS IDOC I managed to create the sales order and customer article number is replaced with our article number.

PORDCR103:

I managed to create a normal PO if I maintain E1BPMEPOITEM-MATERIAL with our article number. But as said, the customer message will contain the customer article number. So I cleared E1BPMEPOITEM-MATERIAL and maintained E1BPMEPOITEM-VEND_MAT. At the same time I maintained an Info record (Transaction ME11/12/13, table EINA/EINE) and added customer material number into EINA-IDNLF. IDOC creation fails with error

Please enter either material or short text

Message no. MEPO052

Any ideas?

Cheers

Mathias