Solution : https://service.sap.com/sap/support/notes/372976 (SAP Service marketplace login required)
Key words :
component mm-pur-po-bapi, import basis support packages, latest functional restrictions, changing purchase orders, purchase order bapis, symptom bapis bapi_po_create1, defined function scope, released bapi, purchase order, bapis bapi_po_create1
Related Notes :
| 582221 | FAQ: BAPIs for purchase orders |
| 499626 | FAQ: BAPIs in the service procurement |
| 419838 | BAPI_PO_... : Foreign trade data (import/export) |
| 357211 | BAPI: Values (parameter) are not copied |
| 197958 | BAPIs for purchase orders: Missing functions |