Solution : https://service.sap.com/sap/support/notes/493955 (SAP Service marketplace login required)
Key words :
transaction se91 message class ckmlgrir message number 005change functionmessage message short text005 purchase order & item &, occurred document acknowledgement message 'document xxx posted', terms gr/ir clearing account maintenance, gr/ir clearing account maintenance, message short text 005, gr/ir account maintenance, purchase order item, purchase order items occurred, attached source code corrections, message long text
Related Notes :
| 710865 | MR11: Important information on account maintenance |
| 499371 | MR11: error in Note 493955 corrected |