Solution : https://service.sap.com/sap/support/notes/411276 (SAP Service marketplace login required)
Key words :
additional key words, source code correction, prerequisites solution implement, implement note 413208, sales orders, backorder processing, requested quantities, transferred completely
Related Notes :
| 506965 | Undesired quantity changes during product selection |
| 440179 | Global ATP in APO (Releases 3.0, 3.1) - Composite SAP note |