Solution : https://service.sap.com/sap/support/notes/753694 (SAP Service marketplace login required)
Key words :
api function bapi_po_create1, purchase order, header conditions, system issues, express message, system error, error duringinsert, table konv, terms purchaseorder, leinuu03 reason
Related Notes :
| 743403 | |
| 742408 | Error message when creating header conditions |
| 582252 | BAPI_PO_CREATE1/..._CHANGE: Header conditions are incorrect |