Solution : https://service.sap.com/sap/support/notes/973952 (SAP Service marketplace login required)
Key words :
terms rz20 process_error_messages reason, object type purchaseorder, mepo 000 purchase order, solution kindly implement, attached correction instructions, shopping cart, create po', po creation, external reference, faulty items
Related Notes :
| 1000184 | Account assignment error when document transfer to back end |