Solution : https://service.sap.com/sap/support/notes/300805 (SAP Service marketplace login required)
Key words :
additional key words me21n, symptom create purchase order, copying partner role mepo_header_fill_partnerssapsql_array_insert_duprec, update termination occurs, attached program correction, item data including, purchase order, transaction me21n, partner role, header data
Related Notes :
| 761614 | ME21N: Partner determination during change of plant |
| 413207 | ME21N: Error message from partner determination is lost |
| 401734 | ME21N Stock transport order, partners disappear |
| 376319 | ME21N partner from reference document not found |
| 329405 | ME21N: Partner dialog box with PReq w/ contract disp twice |