Solution : https://service.sap.com/sap/support/notes/390117 (SAP Service marketplace login required)
Key words :
symptom putting purchase orders, additional key words hold, solution badi me_hold_po, enclosed advance correction, advance correction, badi implementation, support package, sample implementation, transaction se19, source code
Related Notes :
668212 | ME21N: Document type authorization when holding a PO |