Solution : https://service.sap.com/sap/support/notes/119598 (SAP Service marketplace login required)
Key words :
~ftp/specific/isoil/31h/notes/note, -oil-specific note, calling transaction ovg1, additional key words, 'runtime error-getwa_not_assigned', volume-based rebate, oss note 13719 describes, important supplementary information, import transport sapki3h276, oss note 98642
Related Notes :
| 204741 | shortdump when recal. subtotals for rebates |
| 98642 | Order of IS-OIL notes 2.0d & 1.0d on R/3 3.1H (SP) |
| 47531 | IS-OIL / IS-MINE / IS-CWM correction guideline |